J.K. GROUP OF INSTITUTIONS, BILASPUR 1.
Which of the following is a correct representation of
average value in an AC Circuit?
INTERNSHIP PROGRAMME 2025 FOR PASS OUT STUDENT a) RMS value/Form factor
b) RMS value*Form factor
Branch: EE Department c) RMS value/Peak factor
d) RMS value*Peak factor
Candidate Name…………………………………………………………………… 2. Find the current in the circuit.
Father’s Name: ……………………………………………………………………
Contact No.: ………………………………………………………………………
Branch: ……………………………………………………………………………..
Pass out Batch: …………………………………………………………………….
Address: …………………………………………………………………………….
…………………………………………………………………………………….... a) 1 A
b) 2 A
……………………………………………………………………………………… c) 3 A
d) 4 A
Note: 1. This question paper comes 3 sections.
2. All questions are compulsory. 3. KCL deals with the conservation of?
3. No calculator are allowed. a) Momentum
b) Mass
Time: 10:00 AM to 11:00 AM Total Marks : 60 c) Potential Energy
d) Charge
Venue: Smart Class Room 1 & 2
Section – 1 : Technical ( 30 MCQ 30 x 1 = 30 Marks)
Section – 2 : Reasoning & Mental Ability ( 10 Que. 10 x 1 = 10 Marks)
Section – 3 : General Question ( 10 Que. 10 x 2 = 20 Marks)
4. What is the value of the current I? b) Resistance is directly proportional to an area of cross
section of the wire
c) Resistance is inversely proportional to the length of the
wire
d) Resistance is inversely proportional to the resistivity of
the wire
7. The reciprocal of resistivity is________
a) Conductance
b) Resistance
c) Conductivity
d) Impedance
8. It is preferable to connect bulbs in series or in parallel?
a) 8A
a) Series
b) 7A
b) Parallel
c) 6A
c) Both series and parallel
d) 5A
d) Neither series nor parallel
5. Thevenin resistance is found by ________
a) Shorting all voltage sources
9. Why are laminations used in the core of electrical machines?
b) Opening all current sources
a) To increase the magnetic flux
c) Shorting all voltage sources and opening all current
b) To reduce eddy current losses
sources
c) To improve mechanical strength
d) Opening all voltage sources and shorting all current
d) To reduce hysteresis losses
sources
10. What is the purpose of using a starter in a DC motor?
a) To limit the speed
6. Which of the following statements are true with regard b) To reduce back EMF
to resistance? c) To limit the starting current
a) Resistance is directly proportional to a length of the d) To increase efficiency
wire
11. The shunt motor starters that can be used is/are a) 1600 W
___________ b) 6400 W
a) 3-point and 4-point starter c) 400 W
b) 5-point starter d) 800 W
c) 4-point starter
16. Single line diagram does not represents:
d) 5-point and 3-point starter.
a) Ratings of machines
12. The primary and secondary of a transformer are ________ b) Neutral wire of transmission lines
coupled but _______ connected. c) Delta connection of transformer winding
a) magnetically, not electrically d) Star connection of transformer winding
b) electrically, not magnetically
c) magnetically, also magnetically
d) electrically, also electrically 17. Which of the following kind of energy output is obtained from
a ‘Steam Power Plant’?
13. The number of Poles required to achieve the speed of 1800
a) Electricity
rpm, when the supply voltage is 400V and frequency is 60Hz.
b) Thermal energy
A) 2 c) Sound energy
d) Heat energy
b) 4
c) 6
18. A Schering bridge can be used for the ______________
d) 8
a) protecting the circuit from temperature rises
b) testing capacitors
c) measuring voltages
14. For a transformer with primary turns 400, secondary turns d) measuring currents
100, if 20A current is flowing through primary, we will get
___________ 19. Which of the following is the most popular method for
a) 800A at secondary measuring low resistance?
b) 40A at secondary a) ducter ohmmeter method
c) 80A at secondary b) kelvin double bridge method
d) 5A at secondary c) ammeter-voltmeter method
d) potentiometer method
15. The full-load copper loss of a transformer is 1600 W. At half-
load, the copper loss will be _______
20. Inverters converts 25 According to boolean law: A + 1 = ?
a) dc power to dc power a) 1
b) dc power to ac power b) A
c) ac power to ac power c) 0
d) ac power to dc power d) A’
21. “The direction of an induced e.m.f. is always such that it 26 Ferranti effect is not a problem for ________
tends to set up a current opposing the motion or the change of a) Long Transmission lines
flux responsible for inducing that e.m.f.”, this is the statement b) Medium Transmission lines
for? c) Short Transmission lines
a) Fleming’s left hand rule d) Transmission line having high capacitance
b) Fleming’s right hand rule
27 Which type of insulator is used where there is dead end of the
c) Faraday’s law
line or there is a corner or a sharp curve, for high voltage line?
d) Lenz’s law
a) Pin type insulator
22. Which of the following is used to build a electric drive? b) Shackle insulator
a) Source c) Strain insulator
b) Motor d) Stay insulator
c) Control unit
28 What is the purpose of using corona rings in high voltage
d) All of the mentioned.
transmission lines?
23. What is the unit of the apparent or complex power? a) To measure voltage
a) VA b) To protect against lightning
b) ohm c) To reduce corona discharge
c) Volt d) To increase corona discharge
d) VAR
29 The relation between VRY, Vph in a star connected system is?
24. Which of the following type of circuits in electrical a) VRY = Vph
engineering cannot be analyzed using Ohm’s law? b) VRY = √3Vph
a) Unilateral c) VRY = 3√3Vph
b) Bilateral d) VRY = 3Vph
c) Linear
30. The highest power factor will be?
d) Conductors
a) 1 b) 2 c) 3 d) 4
