, . .

Participant ID
Participant Name
Test Center Name
Test Date 29/09/2024
Test Time 1:30 PM - 3:30 PM
Subject ENGINEERING ASSISTANT ELECTRICAL

Section : Technical

Q.1 The optimising fan speed contributes to energy conservation by ______.

Ans A. improving ventilation efficiency

B. reducing fan lifespan

C. increasing wind-age loss

D. increasing energy consumption

Question ID : 630680403609
Option 1 ID : 6306801573926
Option 2 ID : 6306801573928
Option 3 ID : 6306801573929
Option 4 ID : 6306801573927
Status : Answered
Chosen Option : A

Q.2 What is the advantage of operating Type-D Wind Power Plants (WPPs) with Wound
Rotor Synchronous Generators (WRSG)?
Ans A. Greater power output

B. Smoother grid connection

C. Reduced mechanical stresses

D. Lower energy losses

Question ID : 630680392251
Option 1 ID : 6306801529350
Option 2 ID : 6306801529351
Option 3 ID : 6306801529352
Option 4 ID : 6306801529353
Status : Answered
Chosen Option : B

Q.3 Select the INCORRECT statements from among the following with respect to High
Voltage Schering bridge.
1)Earthed screens are used to avoid the effect of earth capacitance between high and
low impedance arms.
2)Wagner ground connection is used to eliminate the errors due to inter- capacitance
between high and low impedance arms.
3)Earthed screens are used to avoid the errors due to inter- capacitance between high
and low impedance arms.
4)Wagner ground connection is used to eliminate the effect of earth capacitance on
the galvanometer and contact leads.
Ans A. Statements(3) and (4)

B. Statements(2) and (3)

C. Statements (1) and (4)

D. Statements (1) and (2)

Question ID : 630680424748
Option 1 ID : 6306801657304
Option 2 ID : 6306801657305
Option 3 ID : 6306801657306
Option 4 ID : 6306801657303
Status : Answered
Chosen Option : C

1/23
 Q.4 What current type transformer is it when its primary winding is having more than one
full turn wound on core?
Ans A. Bar

B. Wound

C. Ring

D. Bush

Question ID : 630680396138
Option 1 ID : 6306801544664
Option 2 ID : 6306801544665
Option 3 ID : 6306801544667
Option 4 ID : 6306801544666
Status : Answered
Chosen Option : B

Q.5 What does a higher efficiency value indicate for a transmission line?
Ans A. Equal power delivery at the receiving end and the sending end

B. Higher line losses and lower power delivery at the receiving end

C. Lower line losses and higher power delivery at the receiving end

D. Unstable operation of the transmission line

Question ID : 630680368270
Option 1 ID : 6306801434523
Option 2 ID : 6306801434521
Option 3 ID : 6306801434522
Option 4 ID : 6306801434524
Status : Answered
Chosen Option : C

Q.6 What is the consequence of operating a single-phase transformer at a frequency

significantly higher than its design frequency?
Ans A. Reduced core losses

B. Increased core losses

C. Improved efficiency

D. Decreased voltage regulation

Question ID : 630680426275
Option 1 ID : 6306801663204
Option 2 ID : 6306801663206
Option 3 ID : 6306801663203
Option 4 ID : 6306801663205
Status : Answered
Chosen Option : B

Q.7 If v(t) = 100Sin(50t − 50°) V, then which of the following statements is/are correct
regarding the circuit shown in the given diagram?

(a) The current i(t) in the circuit equals to 20000 Sin(50t+40°) A.

(b) The current i(t) in the circuit leads the voltage v(t) by 40°.
(c) Admittance = −j200 Ω.
Ans A. Only (a)

B. Both (a) and (c)

C. (a), (b) and (c)

D. Both (a) and (b)

Question ID : 630680328978
Option 1 ID : 6306801279868
Option 2 ID : 6306801279865
Option 3 ID : 6306801279866
Option 4 ID : 6306801279867
Status : Answered
Chosen Option : A

. . … 2/23
, . . …

Q.8 Which pin(s) is/are used to select the step size in the ADC0808/0809 IC?
Ans A. Vref/2 and Vin

B. Vin/Vout

C. Vref

D. Vin

Question ID : 630680358745
Option 1 ID : 6306801396948
Option 2 ID : 6306801396947
Option 3 ID : 6306801396946
Option 4 ID : 6306801396945
Status : Answered
Chosen Option : A

Q.9 In IGBT semiconductor to form PNPN layer the _____________ electrode connected to
P layer.
Ans A. collector

B. gate

C. emitter

D. drain

Question ID : 630680374792
Option 1 ID : 6306801460335
Option 2 ID : 6306801460338
Option 3 ID : 6306801460336
Option 4 ID : 6306801460337
Status : Answered
Chosen Option : B

Q.10 What types of serial communication does the 8051 microcontroller support?
Ans A. Half duplex and full duplex

B. Synchronous and half-duplex

C. asynchronous and synchronous.

D. asynchronous and full-duplex

Question ID : 630680339859
Option 1 ID : 6306801321960
Option 2 ID : 6306801321957
Option 3 ID : 6306801321959
Option 4 ID : 6306801321958
Status : Answered
Chosen Option : D

Q.11 How does one move the entire display to the right on an LCD?
Ans A. 0 x 18

B. 0 x 1C

C. 0 x 01

D. 0 x 0F

Question ID : 630680339855
Option 1 ID : 6306801321942
Option 2 ID : 6306801321941
Option 3 ID : 6306801321943
Option 4 ID : 6306801321944
Status : Answered
Chosen Option : B

Q.12 Which of the following are NOT suitable as a solid biomass resource?
Ans A. Alcohol Breweries

B. Metallic and plastic waste

C. Paper and cardboard

D. Husks

Question ID : 630680971399
Option 1 ID : 6306803809648
Option 2 ID : 6306803809650
Option 3 ID : 6306803809649
Option 4 ID : 6306803809647
Status : Answered
Chosen Option : A

3/23
, . . …

Q.13 The given circuit represents __________.

Ans A. complementary commutation

B. auxiliary commutation

C. external pulse commutation

D. load commutation

Question ID : 630680352185
Option 1 ID : 6306801370838
Option 2 ID : 6306801370840
Option 3 ID : 6306801370839
Option 4 ID : 6306801370837
Status : Answered
Chosen Option : B

Q.14 The most economical transmission voltage is _________ per km of transmission line.
Ans A. 440 volts

B. 650 volts

C. 750 volts

D. 850 volts

Question ID : 630680401928
Option 1 ID : 6306801567458
Option 2 ID : 6306801567459
Option 3 ID : 6306801567460
Option 4 ID : 6306801567461
Status : Answered
Chosen Option : B

Q.15 The calibration of DC potentiometers is carried out by instruments that are _________.
Ans A. both AC and DC

B. AC only

C. DC only

D. either AC or DC

Question ID : 630680396189
Option 1 ID : 6306801544870
Option 2 ID : 6306801544869
Option 3 ID : 6306801544868
Option 4 ID : 6306801544871
Status : Answered
Chosen Option : C

Q.16 Which method of stringing overhead transmission conductors involves dragging the
conductor along the ground by a vehicle or pulling device?
Ans A. Helicopter stringing

B. Full-tension stringing

C. Semi-tension stringing

D. Slack stringing

Question ID : 630680396765
Option 1 ID : 6306801547147
Option 2 ID : 6306801547146
Option 3 ID : 6306801547145
Option 4 ID : 6306801547144
Status : Answered
Chosen Option : D

4/23
 Q.17 To adjust the power factor of the synchronous motor, we have to adjust the
____________.
Ans A. supply frequency

B. speed

C. supply voltage

D. excitation

Question ID : 630680618154
Option 1 ID : 6306802418959
Option 2 ID : 6306802418957
Option 3 ID : 6306802418960
Option 4 ID : 6306802418958
Status : Answered
Chosen Option : D

Q.18 Three resistances, each of 39 Ω, are connected in star connection. What will be the
value of each resistance in equivalent delta connection?
Ans A. Zero

B. 11 Ω

C. 117Ω

D. 13 Ω

Question ID : 630680328966
Option 1 ID : 6306801279820
Option 2 ID : 6306801279819
Option 3 ID : 6306801279817
Option 4 ID : 6306801279818
Status : Answered
Chosen Option : C

Q.19 Which of the following is the right is the condition for maximum power developed by
the motor if Ia = Armature current, Ra = Armature resistance and V = Terminal voltage
and Eb = Back EMF?
Ans
A.

B.

C.

D.

Question ID : 630680503357
Option 1 ID : 6306801967011
Option 2 ID : 6306801967010
Option 3 ID : 6306801967012
Option 4 ID : 6306801967009
Status : Answered
Chosen Option : D

Q.20 A 6-pole 3-phase induction motor is coupled with a 2-pole single-phase induction
motor, and both the motors run on 50 Hz supply voltage. The frequency of the emfs at
the rotor terminals when the single-phase motor is driven in the direction of the
induction motor stator rotating field is _____, and the rotor frequency when the same
motor is driven in the direction opposite to the induction motor stator rotating field is
_____.
Ans A. 200 Hz; 66.5 Hz

B. 66.5 Hz; 200 Hz

C. 201 Hz; 65.6 Hz

D. 210 Hz; 65.5 Hz

Question ID : 630680337205
Option 1 ID : 6306801311543
Option 2 ID : 6306801311541
Option 3 ID : 6306801311542
Option 4 ID : 6306801311544
Status : Answered
Chosen Option : B

. . … 5/23
Q.21 The voltage determined by the DC potentiometer is independent of __________.
Ans A. load power

B. energy consumption

C. source resistance

D. load current

Question ID : 630680396193
Option 1 ID : 6306801544886
Option 2 ID : 6306801544887
Option 3 ID : 6306801544885
Option 4 ID : 6306801544884
Status : Answered
Chosen Option : B

Q.22

Ans
A.

B.

C.

D.

Question ID : 630680407215
Option 1 ID : 6306801587805
Option 2 ID : 6306801587804
Option 3 ID : 6306801587802
Option 4 ID : 6306801587803
Status : Answered
Chosen Option : A

Q.23 The value of internal flux linkage at a distance of x along a straight cylindrical
conductor carrying a current I of radius r metres and surrounded by a magnetic field
is:
Ans
A.

B.

C.

D.

Question ID : 630680396784
Option 1 ID : 6306801547221
Option 2 ID : 6306801547220
Option 3 ID : 6306801547223
Option 4 ID : 6306801547222
Status : Answered
Chosen Option : D

Q.24 Which of the following options is NOT true regarding active power in an AC series
circuit?
Ans A. Active power is the useful power in an AC circuit

B. Active power is independent of power factor of circuit

C. Active power is directly proportional to circuit power factor

D. Active power is dissipated on resistive component of impedance

Question ID : 630680334710
Option 1 ID : 6306801302097
Option 2 ID : 6306801302099
Option 3 ID : 6306801302098
Option 4 ID : 6306801302100
Status : Answered
Chosen Option : B

6/23
, . . …

Q.25 How does the Intelligent Power Factor Controller (IPFC) contribute to optimising
power factor correction?
Ans A. By adding more capacitors to the system

B. By increasing power factor correction without considering load conditions

C. By decreasing power factor correction under all circumstances

D. By dynamically adjusting power factor correction to minimise losses and improve

efficiency

Question ID : 630680373444
Option 1 ID : 6306801455050
Option 2 ID : 6306801455047
Option 3 ID : 6306801455049
Option 4 ID : 6306801455048
Status : Answered
Chosen Option : D

Q.26 In a battery charger system, SCR act as a:

Ans A. rectifier

B. switch

C. chopper

D. inverter

Question ID : 630680352119
Option 1 ID : 6306801370575
Option 2 ID : 6306801370576
Option 3 ID : 6306801370574
Option 4 ID : 6306801370573
Status : Answered
Chosen Option : A

Q.27 Which of the following steps should be followed while reading data from an LCD?
Ans A. The R/W pin is raised.

B. E pin has a high to low pulse, while R/W pin is set to low.

C. low to high pulse at E pin

D. The R/W pin is set high, and the E pin has a low to high pulse.

Question ID : 630680366335
Option 1 ID : 6306801426858
Option 2 ID : 6306801426860
Option 3 ID : 6306801426857
Option 4 ID : 6306801426859
Status : Answered
Chosen Option : D

Q.28 The net area under the load duration curve denotes:
Ans A. generated energy during the duration

B. system’s base load

C. system’s peak load

D. system’s average load

Question ID : 630680333463
Option 1 ID : 6306801297127
Option 2 ID : 6306801297128
Option 3 ID : 6306801297125
Option 4 ID : 6306801297126
Status : Answered
Chosen Option : A

Q.29 ________ distribution system is more reliable than other distribution systems.
Ans A. Radial

B. Ring main

C. Circular

D. Tree

Question ID : 630680401917
Option 1 ID : 6306801567416
Option 2 ID : 6306801567414
Option 3 ID : 6306801567417
Option 4 ID : 6306801567415
Status : Answered
Chosen Option : B

7/23
, . . …

Q.30 Which of the following statements is/are correct regarding reciprocity theorem?
a) It is applicable to a multisource network.
b) It is applicable to a circuit containing both independent and dependent sources.
c) It is applicable to a network having only one independent source.
Ans A. Only (c)

B. Only (a)

C. Only (a) and (b)

D. Only (b) and (c)

Question ID : 630680328968
Option 1 ID : 6306801279828
Option 2 ID : 6306801279827
Option 3 ID : 6306801279825
Option 4 ID : 6306801279826
Status : Answered
Chosen Option : A

Q.31 In brushless DC motor, the electronic drive is an inverter which consists of a transistor
connected to stator windings. These transistors are controlled by the pulses
generated by _____.
Ans A. rotor position sensor

B. optical sensor

C. phototransistor sensor

D. stator position sensor

Question ID : 630680379049
Option 1 ID : 6306801477244
Option 2 ID : 6306801477245
Option 3 ID : 6306801477246
Option 4 ID : 6306801477243
Status : Answered
Chosen Option : A

Q.32 Why is a charge controller necessary for a PV system with batteries?

Ans A. To prevent overcharging of the batteries

B. To track the movement of the sun

C. To generate electricity from solar energy

D. To increase the voltage output of the solar cells

Question ID : 630680374472
Option 1 ID : 6306801459070
Option 2 ID : 6306801459068
Option 3 ID : 6306801459067
Option 4 ID : 6306801459069
Status : Answered
Chosen Option : A

Q.33 How is the transposition of line conductors carried out?

Ans A. Increasing the number of conductors in each phase

B. Changing the positions of the three phases on the line supports

C. Adjusting the voltage levels in each phase

D. Balancing the power transfer between the phases

Question ID : 630680368271
Option 1 ID : 6306801434526
Option 2 ID : 6306801434525
Option 3 ID : 6306801434528
Option 4 ID : 6306801434527
Status : Answered
Chosen Option : B

Q.34 In a shaded pole motor, the stator is made of _______________.

Ans A. laminated salient poles with a number of slots cut in each pole

B. smooth cylindrical structure with the shading ring around the cylindrical periphery

C. smooth cylindrical structure with slots all along the periphery housing the shading coil

D. laminated salient poles with a slot at one-third distance from one edge on each pole

Question ID : 630680694992
Option 1 ID : 6306802722208
Option 2 ID : 6306802722209
Option 3 ID : 6306802722210
Option 4 ID : 6306802722207
Status : Answered
Chosen Option : D

. . … 8/23
Q.35 If there is any mechanical displacement at the point balance, then the value of the
quantity is measured. This type of instrument is called _________.
Ans A. Secondary instrument

B. Absolute instrument

C. Null type instrument

D. Deflection type instrument

Question ID : 630680396175
Option 1 ID : 6306801544815
Option 2 ID : 6306801544814
Option 3 ID : 6306801544813
Option 4 ID : 6306801544812
Status : Answered
Chosen Option : D

Q.36

Ans A. 198.14

B. 200

C. 270

D. 168.4

Question ID : 630680374791
Option 1 ID : 6306801460332
Option 2 ID : 6306801460334
Option 3 ID : 6306801460331
Option 4 ID : 6306801460333
Status : Answered
Chosen Option : C

Q.37 A DC shunt motor with a voltage of 200 volts and a speed of 1000 revolutions per
minute requires an armature current of 20 amps. It is necessary to slow down to 500
revolutions per minute. If the initial resistance of the armature is 0.5 Ω, what must the
value of the resistance that is injected into the armature circuit be? Consider that the
current through the armature will remain the same during this process.
Ans A. 4.75 Ω

B. 0 Ω

C. 5.5 Ω

D. 8.5 Ω

Question ID : 630680503351
Option 1 ID : 6306801966987
Option 2 ID : 6306801966985
Option 3 ID : 6306801966986
Option 4 ID : 6306801966988
Status : Answered
Chosen Option : A

Q.38 What is the definition of ‘connected load’ in an electrical system?

Ans A. The load connected to the system with the highest power rating

B. The load connected to the system that requires the highest voltage

C. The sum of all loads connected to the system, regardless of their ratings

D. The sum of the continuous ratings of all loads connected to the system

Question ID : 630680374437
Option 1 ID : 6306801458929
Option 2 ID : 6306801458930
Option 3 ID : 6306801458927
Option 4 ID : 6306801458928
Status : Answered
Chosen Option : D

9/23
, . . …

Q.39 Three 50 Ω resistances are connected in star across an 800 V, 50 Hz, 3-phase supply. If
one of the three resistances is open circuited, the value of total power taken from the
mains is _________.
Ans
A.

B.

C.

D.

Question ID : 630680210766
Option 1 ID : 630680817225
Option 2 ID : 630680817223
Option 3 ID : 630680817226
Option 4 ID : 630680817224
Status : Answered
Chosen Option : B

Q.40 Which of the following statements is/are FALSE in regard to three-phase induction
motors?

A) The EMFs induced in every rotor bar will have the same magnitude and frequency
and they will be in phase.

B) Induced EMF is directly proportional to the slip.

C) There is no induced EMF when the rotor is stationaryand the induced EMF is
maximum when the rotor runs at a synchronous speed.

D) The frequency of the rotor EMF (the slip frequency) is also directly proportional to
slip.
Ans A. OnlyA

B. A and B

C. B and D

D. Only C

Question ID : 630680339349
Option 1 ID : 6306801319967
Option 2 ID : 6306801319965
Option 3 ID : 6306801319968
Option 4 ID : 6306801319966
Status : Answered
Chosen Option : D

Q.41 The fastest rise time a sine wave can have to be accurately reproduced by the
instrument is 350 ns. What is the value of bandwidth of the oscilloscope?
Ans A. 0.1 MHz

B. 0.01 MHz

C. 10 MHz

D. 1 MHz

Question ID : 630680405719
Option 1 ID : 6306801582022
Option 2 ID : 6306801582023
Option 3 ID : 6306801582020
Option 4 ID : 6306801582021
Status : Answered
Chosen Option : D

Q.42 In the short circuit test on a star connected three phase alternator, a field current of 5
A gives an armature current of 40 A. In the open circuit test, the same field current
produces an open circuit voltage of 240 V per phase. What is the synchronous
impedance per phase?
Ans A. 8 Ω

B. 48 Ω

C. 12 Ω

D. 6 Ω

Question ID : 630680618278
Option 1 ID : 6306802419442
Option 2 ID : 6306802419441
Option 3 ID : 6306802419444
Option 4 ID : 6306802419443
Status : Answered
Chosen Option : D

. . … 10/23
, . . …

Q.43 A voltage V = 200Sin(t) is applied to a circuit consisting of a 4 Ω resistor and a 0.25 F

capacitor that are connected in series. The maximum value of the current through the
circuit is _____.
Ans A.

B.

C.

D.

Question ID : 630680338929
Option 1 ID : 6306801318305
Option 2 ID : 6306801318307
Option 3 ID : 6306801318308
Option 4 ID : 6306801318306
Status : Answered
Chosen Option : B

Q.44 Which of the following steps describes how a microprocessor operate?

Ans A. Opcode fetch, memory read, memory write, I/O read, I/O write

B. Opcode fetch, memory write, memory read, I/O read, I/O write

C. I/O write, opcode fetch, memory write, memory read, I/O read

D. I/O read, opcode fetch, memory read, memory write, I/O write

Question ID : 630680339829
Option 1 ID : 6306801321837
Option 2 ID : 6306801321838
Option 3 ID : 6306801321839
Option 4 ID : 6306801321840
Status : Answered
Chosen Option : A

Q.45 Which of the following devices is used for static reactive power compensation in an
industrial system?
Ans A. Battery

B. Transformer

C. Induction motor

D. Synchronous motor

Question ID : 630680373439
Option 1 ID : 6306801455027
Option 2 ID : 6306801455028
Option 3 ID : 6306801455029
Option 4 ID : 6306801455030
Status : Answered
Chosen Option : D

Q.46 The given circuit represents ____________.

Ans A. no line UPS

B. on-line UPS

C. line interactive UPS

D. off-line UPS

Question ID : 630680387311
Option 1 ID : 6306801509930
Option 2 ID : 6306801509931
Option 3 ID : 6306801509932
Option 4 ID : 6306801509933
Status : Answered
Chosen Option : B

11/23
Q.47 If the bandwidth of an oscilloscope is given as direct current to 35 MHz, what is the
fastest rise time a sine wave can have to be produced accurately by the oscilloscope?
Ans A. 10 s

B. 0.01 ns

C. 0.1 s

D. 10 ns

Question ID : 630680405720
Option 1 ID : 6306801582024
Option 2 ID : 6306801582027
Option 3 ID : 6306801582026
Option 4 ID : 6306801582025
Status : Answered
Chosen Option : D

Q.48 What can be said about the value of the diversity factor?
Ans A. It is always less than one.

B. It is always equal to one.

C. It varies depending on the size of the power station.

D. It is always greater than one.

Question ID : 630680374429
Option 1 ID : 6306801458895
Option 2 ID : 6306801458896
Option 3 ID : 6306801458898
Option 4 ID : 6306801458897
Status : Answered
Chosen Option : D

Q.49 The maximum demand on a power station is 200 MW. Calculate the energy generated
in 10 days if the load factor is 50%.
Ans A. 24 × 103 kWh

B. 240 × 103 kWh

C. 24 kWh

D. 24 × 106 kWh

Question ID : 630680509642
Option 1 ID : 6306801991773
Option 2 ID : 6306801991776
Option 3 ID : 6306801991775
Option 4 ID : 6306801991774
Status : Answered
Chosen Option : D

Q.50 A material with one dimension in nano range and the other two dimensions in large
range is called ________.
Ans A. quantum wire

B. quantum dot

C. quantum well

D. micro-material

Question ID : 630680352156
Option 1 ID : 6306801370722
Option 2 ID : 6306801370724
Option 3 ID : 6306801370723
Option 4 ID : 6306801370721
Status : Answered
Chosen Option : C

Q.51 In the voltage equation of the DC shunt motor, which of the following is NOT a
parameter of voltage equation?
Ans A. Back EMF

B. Voltage drop at load

C. Brush voltage

D. Voltage drop at armature

Question ID : 630680379051
Option 1 ID : 6306801477251
Option 2 ID : 6306801477253
Option 3 ID : 6306801477252
Option 4 ID : 6306801477254
Status : Answered
Chosen Option : B

12/23
, . . …

Q.52

Ans A. 15 Ω

B. 25 Ω

C. 23 Ω

D. 21 Ω

Question ID : 630680334718
Option 1 ID : 6306801302129
Option 2 ID : 6306801302130
Option 3 ID : 6306801302131
Option 4 ID : 6306801302132
Status : Answered
Chosen Option : A

Q.53 Which of the following is NOT a type of power factor tariff?

Ans A. Two-part tariff

B. kVA maximum demand tariff

C. kW and kVAR tariff

D. Sliding scale tariff

Question ID : 630680509638
Option 1 ID : 6306801991760
Option 2 ID : 6306801991757
Option 3 ID : 6306801991759
Option 4 ID : 6306801991758
Status : Answered
Chosen Option : A

Q.54 Which of the following should a tariff include?

(a) Recovery of cost of producing electrical energy at the power station.
(b) A suitable profit on the capital investment.
(c) Recovery of cost of operation and maintenance of supply of electrical energy.
Ans A. (a), (b) and (c)

B. (a) and (b) only

C. (a) and (c) only

D. (b) and (c) only

Question ID : 630680509632
Option 1 ID : 6306801991736
Option 2 ID : 6306801991733
Option 3 ID : 6306801991735
Option 4 ID : 6306801991734
Status : Answered
Chosen Option : A

Q.55 What is the function of the magnetising component of the primary current in an actual
transformer working at no load?
Ans A. To counteract the secondary MMF

B. To supply iron losses in the core

C. To sustain the alternating flux in the core

D. To supply copper losses in the windings

Question ID : 630680503332
Option 1 ID : 6306801966912
Option 2 ID : 6306801966909
Option 3 ID : 6306801966911
Option 4 ID : 6306801966910
Status : Answered
Chosen Option : C

Q.56 What function does the Power Electronic Converter (PEC) serve in type-D geared Wind
Power Plants (WPPs) with Permanent Magnet Synchronous Generators (PMSGs)?
Ans A. It decouples the generator from the grid

B. It generates electrical power from wind

C. It connects the generator to the mechanical drive train

D. It adjusts the rotor speed of the generator

Question ID : 630680426251
Option 1 ID : 6306801663110
Option 2 ID : 6306801663107
Option 3 ID : 6306801663109
Option 4 ID : 6306801663108
Status : Answered
Chosen Option : D

13/23
, . . …

Q.57 A physical quantity of energy that is converted from one form to another by an
electronic device is referred to as ________.
Ans A. Transistor

B. Rectifier

C. Transducer

D. Sensor

Question ID : 630680339821
Option 1 ID : 6306801321805
Option 2 ID : 6306801321807
Option 3 ID : 6306801321808
Option 4 ID : 6306801321806
Status : Answered
Chosen Option : C

Q.58 Squirrel cage induction motor requires only periodic maintenance as there are
_________.
Ans A. no commutator

B. semi-closed slots

C. no brushes and slip rings

D. open slots

Question ID : 630680337195
Option 1 ID : 6306801311502
Option 2 ID : 6306801311504
Option 3 ID : 6306801311501
Option 4 ID : 6306801311503
Status : Answered
Chosen Option : C

Q.59 Determine the value of current I in the circuit shown here.

Ans A. -8 A

B. +2 A

C. +8 A

D. -2 A

Question ID : 630680209175
Option 1 ID : 630680810917
Option 2 ID : 630680810916
Option 3 ID : 630680810918
Option 4 ID : 630680810915
Status : Answered
Chosen Option : D

Q.60 Three-phase induction machines find applications in the area where constant speed is
required. This constant speed of induction motors is due to ________.
Ans A. compound characteristics

B. series characteristics

C. shunt characteristics

D. cumulative characteristics

Question ID : 630680337191
Option 1 ID : 6306801311485
Option 2 ID : 6306801311488
Option 3 ID : 6306801311487
Option 4 ID : 6306801311486
Status : Answered
Chosen Option : C

14/23
, . . …

Q.61 How is the starting resistance used in a shunt motor connected to the armature and
the field winding?
Ans A. The starting resistance is connected in series with the field winding.

B. The starting resistance is connected in parallel with the armature.

C. The starting resistance is connected in series with both the field winding and
armature winding.
D. The starting resistance is connected in series with the armature.

Question ID : 630680503344
Option 1 ID : 6306801966958
Option 2 ID : 6306801966959
Option 3 ID : 6306801966957
Option 4 ID : 6306801966960
Status : Answered
Chosen Option : C

Q.62 The _____ instruction set enables the user to substitute a single instruction for
numerous simple ones.
Ans A. RISC

B. CISC

C. EPM

D. MISC

Question ID : 630680358751
Option 1 ID : 6306801396970
Option 2 ID : 6306801396969
Option 3 ID : 6306801396972
Option 4 ID : 6306801396971
Status : Answered
Chosen Option : B

Q.63 In terms of overall cost, Gas Insulated Substation(GIS) is more advantageous in which
type of areas?
Ans A. Industrial areas with complex power requirements

B. Remote areas with limited access to resources

C. Rural areas with ample space for substations

D. Urban areas with high site availability and low cost

Question ID : 630680396751
Option 1 ID : 6306801547090
Option 2 ID : 6306801547091
Option 3 ID : 6306801547089
Option 4 ID : 6306801547088
Status : Answered
Chosen Option : B

Q.64 In a three-phase star connected load, the phase voltage and phase current of a phase
is given by Vph = 2 + j4 V and Iph = 3 − j2 A. The complex power will be _______.
Ans A. (-6 + j48 ) VA

B. (-2 + j16 ) VA

C. (42 + j24 ) VA

D. (14 + j8 ) VA

Question ID : 630680328982
Option 1 ID : 6306801279882
Option 2 ID : 6306801279883
Option 3 ID : 6306801279881
Option 4 ID : 6306801279884
Status : Answered
Chosen Option : B

Q.65 What is the voltage equation of a DC motor commonly referred to as?

Ans A. Motor equation

B. Ohm's law

C. Lenz's law

D. Faraday's law

Question ID : 630680426274
Option 1 ID : 6306801663202
Option 2 ID : 6306801663199
Option 3 ID : 6306801663201
Option 4 ID : 6306801663200
Status : Answered
Chosen Option : B

. . … 15/23
 Q.66 The amorphous transformer is known for their improved _______.
Ans A. voltage regulation

B. energy efficiency

C. mechanical strength

D. resistance to extreme temperatures

Question ID : 630680373454
Option 1 ID : 6306801455088
Option 2 ID : 6306801455087
Option 3 ID : 6306801455090
Option 4 ID : 6306801455089
Status : Answered
Chosen Option : D

Q.67 In order to relieve the line of excessive tension, _________ insulators are used.
Ans A. pin

B. strain

C. shackle

D. disc

Question ID : 630680401948
Option 1 ID : 6306801567538
Option 2 ID : 6306801567540
Option 3 ID : 6306801567541
Option 4 ID : 6306801567539
Status : Answered
Chosen Option : B

Q.68 Full bridge converter has three stages, of which the first stage is ___________.
Ans A. transformer network

B. energy transformer network

C. square wave generator

D. rectifier network

Question ID : 630680387309
Option 1 ID : 6306801509923
Option 2 ID : 6306801509925
Option 3 ID : 6306801509924
Option 4 ID : 6306801509922
Status : Answered
Chosen Option : B

Q.69 The strength of the sawtooth voltage produced by the time base generator is amplified
by using _______.
Ans A. Time Base Generators

B. Vertical Amplifiers

C. Trigger Circuits

D. Horizontal Amplifiers

Question ID : 630680396147
Option 1 ID : 6306801544702
Option 2 ID : 6306801544700
Option 3 ID : 6306801544703
Option 4 ID : 6306801544701
Status : Answered
Chosen Option : D

Q.70 Which of the following registers does NOT fall under the umbrella of special function
registers in 8051?
Ans A. SP and PC

B. TCON and TMOD

C. P0 and P1

D. TH0 and TL0

Question ID : 630680358752
Option 1 ID : 6306801396973
Option 2 ID : 6306801396974
Option 3 ID : 6306801396976
Option 4 ID : 6306801396975
Status : Answered
Chosen Option : A

. . … 16/23
, . . …

Q.71 In a half bridge converter, the flyback converter is used to provide ______ to higher or
lower level of input voltage.
Ans A. output voltage

B. output current

C. input voltage

D. input current

Question ID : 630680352127
Option 1 ID : 6306801370606
Option 2 ID : 6306801370607
Option 3 ID : 6306801370605
Option 4 ID : 6306801370608
Status : Answered
Chosen Option : A

Q.72 Which of the following processes takes place in Biomass energy conversion?
Ans A. Thermal conversion, chemical conversion and electrochemical conversion

B. Electrochemical conversion, biochemical conversion and chemical

conversion
C. Chemical conversion and biochemical conversion

D. Thermal conversion, chemical conversion, biochemical conversion and

electrochemical conversion

Question ID : 630680971367
Option 1 ID : 6306803809567
Option 2 ID : 6306803809568
Option 3 ID : 6306803809570
Option 4 ID : 6306803809569
Status : Answered
Chosen Option : D

Q.73 Which of the following points is true about slip ring induction motors?
A) Low power factor at light loads
B) Sensitivity to fluctuations in the supply voltage
C) Low starting torque
D) Poor speed regulation
Ans A. A, B and D

B. A, B and C

C. A, C and D

D. B, C and D

Question ID : 630680339366
Option 1 ID : 6306801320033
Option 2 ID : 6306801320034
Option 3 ID : 6306801320036
Option 4 ID : 6306801320035
Status : Answered
Chosen Option : A

Q.74 The phasor of the voltages VA and VB is given in the diagram. Find the voltage VAB.

Ans A.

B.

C.

D.

Question ID : 630680328974
Option 1 ID : 6306801279849
Option 2 ID : 6306801279852
Option 3 ID : 6306801279851
Option 4 ID : 6306801279850
Status : Answered
Chosen Option : D

17/23
, . . …

Q.75 How are Aggregated Technical and Commercial (ATC) losses usually expressed when
analysing distribution systems on a regional level?
Ans A. In terms of power factor

B. In kilowatt-hours

C. In terms of harmonics

D. As a percentage of power generation

Question ID : 630680396116
Option 1 ID : 6306801544579
Option 2 ID : 6306801544576
Option 3 ID : 6306801544577
Option 4 ID : 6306801544578
Status : Answered
Chosen Option : B

Section : Numerical Ability

Q.76 In what duration (in years) will ₹1800 fetch a simple interest of ₹1080 at 3% per annum
rate of interest?
Ans A. 19

B. 21

C. 20

D. 40

Question ID : 630680612221
Option 1 ID : 6306802395619
Option 2 ID : 6306802395618
Option 3 ID : 6306802395616
Option 4 ID : 6306802395617
Status : Answered
Chosen Option : C

Q.77 6 प औसत 49 और पह 5प औसत 48 । छ प म :

रि
णा
मों
का
है
ले
रि
णा
मों
का
है
ठा
रि
णा
है
Ans A. 48

B. 53

C. 49

D. 54

Question ID : 630680573316
Option 1 ID : 6306802242134
Option 2 ID : 6306802242135
Option 3 ID : 6306802242133
Option 4 ID : 6306802242132
Status : Answered
Chosen Option : D

Q.78 The sum of 6 numbers is 744. Find their average.

Ans A. 122

B. 125

C. 123

D. 124

Question ID : 630680551913
Option 1 ID : 6306802157880
Option 2 ID : 6306802157879
Option 3 ID : 6306802157878
Option 4 ID : 6306802157877
Status : Answered
Chosen Option : D

Q.79 What is the mean proportional between 90 and 10?

Ans A. 50

B. 33

C. 30

D. 25

Question ID : 6306801063116
Option 1 ID : 6306804174826
Option 2 ID : 6306804174824
Option 3 ID : 6306804174823
Option 4 ID : 6306804174825
Status : Answered
Chosen Option : A

18/23
, . . …

Q.80 The marked price of an article is ₹216 and successive discounts of 38% and 30% are
offered on its sale. The selling price (rounded off to 2 decimal places) of the article is:
Ans A. ₹97.62

B. ₹93.74

C. ₹93.61

D. ₹91.07

Question ID : 630680796434
Option 1 ID : 6306803120725
Option 2 ID : 6306803120724
Option 3 ID : 6306803120726
Option 4 ID : 6306803120727
Status : Answered
Chosen Option : B

Q.81 ₹8699 is divided among P, Q, and R in such a way that if ₹57, ₹12, and ₹28 be deducted
from their respective shares, they have money in the ratio 2:4:5. Find the difference
between the Q’s and R’s share.
Ans A. ₹782

B. ₹682

C. ₹832

D. ₹882

Question ID : 6306801063101
Option 1 ID : 6306804174763
Option 2 ID : 6306804174764
Option 3 ID : 6306804174765
Option 4 ID : 6306804174766
Status : Answered
Chosen Option : A

Q.82 A typist takes 40 minutes to type 4 pages. How long (in minutes) will he take to type
110 pages?
Ans A. 1110

B. 1105

C. 1090

D. 1100

Question ID : 630680915309
Option 1 ID : 6306803586283
Option 2 ID : 6306803586282
Option 3 ID : 6306803586281
Option 4 ID : 6306803586280
Status : Answered
Chosen Option : D

Q.83 The population of a village was 250000. It increased by 10% in the first year and
increased by 20% in the second year. Its population after two years is _______.
Ans A. 325000

B. 275000

C. 330000

D. 300000

Question ID : 630680667318
Option 1 ID : 6306802612835
Option 2 ID : 6306802612833
Option 3 ID : 6306802612832
Option 4 ID : 6306802612834
Status : Answered
Chosen Option : C

Q.84 Find the value of ‘?’ in the given equation.

5.5 × 7.8 × 12.5 – 242.27 = ?
Ans A. 294.98

B. 293.98

C. 298.93

D. 283.98

Question ID : 630680107267
Option 1 ID : 630680416455
Option 2 ID : 630680416454
Option 3 ID : 630680416453
Option 4 ID : 630680416452
Status : Answered
Chosen Option : B

19/23
, . . …

Q.85

Ans A. 42

B. - 8

C. 0

D. - 42

Question ID : 6306801001559
Option 1 ID : 6306803930341
Option 2 ID : 6306803930342
Option 3 ID : 6306803930343
Option 4 ID : 6306803930344
Status : Answered
Chosen Option : A

Q.86 श एक र एक त ।य उस 15% 45 km/h ल ,

रा
के
ने
का
से
नि
श्चि
दू
री
की
या
त्रा
पू
री
की
दि
ने
दू
री
की
चा
से
35% 105 km/h ल और ष 150 km/h ल तय , ए
दू
री
की
चा
से
शे
दू
री
की
चा
से
की
तो
पू
री
या
त्रा
के
लि
औसत ल (km/h ) त ए।
चा
में
ज्ञा
की
जि
Ans A. 90

B. 80

C. 100

D. 70

Question ID : 630680493037
Option 1 ID : 6306801925921
Option 2 ID : 6306801925920
Option 3 ID : 6306801925922
Option 4 ID : 6306801925919
Status : Answered
Chosen Option : C

Q.87 The number of prime numbers lying between 457 and 469 is:
Ans A. 4

B. 6

C. 5

D. 1

Question ID : 630680740961
Option 1 ID : 6306802904432
Option 2 ID : 6306802904435
Option 3 ID : 6306802904433
Option 4 ID : 6306802904434
Status : Answered
Chosen Option : D

Q.88

Ans A. 389

B. 364

C. 322

D. 343

Question ID : 630680422125
Option 1 ID : 6306801646938
Option 2 ID : 6306801646936
Option 3 ID : 6306801646935
Option 4 ID : 6306801646937
Status : Answered
Chosen Option : A

20/23
Q.89 Arun and Aman work in a packaging company and have been assigned a work. Arun
can finish the work in 8 days, while Aman can finish the work in 11 days. The manager
asks them to work together, so that it can be completed faster. How many days they
will take to complete the work together?
Ans A. 3 days

B. 5.8 days

C. 3.5 days

D. 4.6 days

Question ID : 63068070753
Option 1 ID : 630680273634
Option 2 ID : 630680273637
Option 3 ID : 630680273635
Option 4 ID : 630680273636
Status : Answered
Chosen Option : D

Q.90 एक प 3 न च पर, एक 20% । 20% भअ त कर

रु
ये
में
पि
बे
ने
व्य
क्ति
को
की
हा
नि
हो
ती
है
का
ला
र्जि
ने
के
ए उ एक प त न च ए?
लि
से
रु
ये
में
कि
नी
पि
बे
नी
चा
हि
Ans A. 4

B. 3

C. 2

D. 1

Question ID : 630680907154
Option 1 ID : 6306803553717
Option 2 ID : 6306803553716
Option 3 ID : 6306803553714
Option 4 ID : 6306803553715
Status : Answered
Chosen Option : C

Section : General Awareness

Q.91 Who among the following became the first female Indian cabinet minister?
Ans A. Aruna Asaf Ali

B. Sucheta Kriplani

C. Sarojini Naidu

D. Vijaya Lakshmi Pandit

Question ID : 630680958378
Option 1 ID : 6306803757519
Option 2 ID : 6306803757518
Option 3 ID : 6306803757520
Option 4 ID : 6306803757521
Status : Answered
Chosen Option : A

Q.92 Complete the following statement from the Preamble of the Indian Constitution.

IN OUR CONSTITUENT ASSEMBLY this _____ day of November, 1949, do HEREBY

ADOPT, ENACT AND GIVE TO OURSELVES THIS CONSTITUTION.
Ans A. twenty sixth

B. fifteenth

C. twenty eighth

D. thirtieth

Question ID : 630680945000
Option 1 ID : 6306803704768
Option 2 ID : 6306803704769
Option 3 ID : 6306803704767
Option 4 ID : 6306803704766
Status : Answered
Chosen Option : A

Q.93 Chandrayaan-3 was launched by which of the following organisations?

Ans A. Space Agency

B. ISRO

C. NASA

D. Roscosmos

Question ID : 630680965514
Option 1 ID : 6306803786557
Option 2 ID : 6306803786559
Option 3 ID : 6306803786556
Option 4 ID : 6306803786558
Status : Answered
Chosen Option : B

21/23
Q.94 As per the composition of the State legislative Council 1/12 are elected by the
graduates of _______ years standing and residing within the state.
Ans A. 2

B. 4

C. 3

D. 5

Question ID : 630680945829
Option 1 ID : 6306803708070
Option 2 ID : 6306803708072
Option 3 ID : 6306803708071
Option 4 ID : 6306803708073
Status : Answered
Chosen Option : D

Q.95 How many amino nucleotide bases of DNA does each gene's code use?
Ans A. Four

B. Five

C. Three

D. Two

Question ID : 630680996631
Option 1 ID : 6306803910258
Option 2 ID : 6306803910259
Option 3 ID : 6306803910257
Option 4 ID : 6306803910256
Status : Answered
Chosen Option : A

Q.96 Which river originates from the northern slopes of the Himalayas in the Tibetan
Plateau?
Ans A. Jhelum

B. Krishna

C. Ghaghara

D. Tapi

Question ID : 630680996655
Option 1 ID : 6306803910355
Option 2 ID : 6306803910353
Option 3 ID : 6306803910352
Option 4 ID : 6306803910354
Status : Answered
Chosen Option : A

Q.97 The Merit-Cum Means Scholarship for Professional and Technical Courses CS
(Minorities) is an initiative by which of the following ministries?
Ans A. Ministry of Social Welfare

B. Ministry of Women and Child Development

C. Ministry of Minority Affairs

D. Ministry of Social Justice and Empowerment

Question ID : 630680965726
Option 1 ID : 6306803787405
Option 2 ID : 6306803787403
Option 3 ID : 6306803787404
Option 4 ID : 6306803787406
Status : Answered
Chosen Option : A

Q.98 In the year 2024, the 22nd National Para Athletics Championships of India was hosted
by which of the following states?
Ans A. Madhya Pradesh

B. Maharashtra

C. Karnataka

D. Goa

Question ID : 630680965458
Option 1 ID : 6306803786333
Option 2 ID : 6306803786335
Option 3 ID : 6306803786332
Option 4 ID : 6306803786334
Status : Answered
Chosen Option : B

22/23
Q.99 According to the Census of India 2011, which of the following states has the lowest
literacy rate?
Ans A. Himachal Pradesh

B. Bihar

C. Rajasthan

D. Tripura

Question ID : 630680172224
Option 1 ID : 630680667335
Option 2 ID : 630680667332
Option 3 ID : 630680667333
Option 4 ID : 630680667334
Status : Answered
Chosen Option : B

Q.100 The development of Sanskrit grammar began with Panini in 400 BC with his book
__________________.
Ans A. Kumara sambhavam

B. Amruta pani

C. Ashtadhyayi

D. Purusha Suktam

Question ID : 630680944649
Option 1 ID : 6306803703393
Option 2 ID : 6306803703394
Option 3 ID : 6306803703391
Option 4 ID : 6306803703392
Status : Answered
Chosen Option : C

23/23