Zeal Education Society’s

ZEAL POLYTECHNIC, PUNE

NARHE │PUNE -41 │ INDIA

DEPARTMENT OF ELECTRICAL ENGINEERING

THIRD YEAR (TY)

SCHEME: I SEMESTER: VI
NAME OF SUBJECT: EMERGING TRENDS IN
ELECTRICAL ENGINEERING
SUBJECT CODE: 22628

QUESTIONS BANK OF MCQ

ON UNIT-I & UNIT-II
 ZEAL EDUCATION SOCIETY’S

ZEAL POLYTECHNIC,PUNE
NARHE │PUNE -41 │ INDIA
DEPARTMENT OF ELECTRICAL ENGINEERING

Question Bank for Multiple Choice Questions

Program: Diploma in Electrical engineering Program Code:- EE
Scheme:- I Semester:- VI
Course:- Emerging Trends in Electrical Engineering Course Code:- 22628

01.Digitization Beyond Automation Marks:- 12

Content Of Chapter:-
1.1 Industrial Revolutions: Version 1.0, 2.0, 3.0 and 4.0, Benefits of industry 4.0, Challenges in implementation of
industry 4.0, Comparison of I3.0 with I4.0
1.2 Components of Industrial Revolutions: CPS, IoT, Cloud Computing & Cloud Manufacturing.
1.3 IoT Principles & Features.
1.4 IoT Application Areas In Electrical System: Building Automation, SCADA, Smart Metering,
Illumination System.
1.5 Specific demands on electrical power distribution in automated production plants.

1) How many numbers of the element in the open IoT architecture?

a. Four elements
b. Five elements
c. Six elements
d. Seven elements
Answer: (d) Seven elements

2) Which of the following is the way in which an IoT device is associated with data?
a. Internet
b. Cloud
c. Automata
d. Network
Answer: (b) Cloud

3) Which of the following IoT networks has a very short range?

a. Short Network
b. LPWAN
c. SigFox
d. Short-range Wireless Network
Answer: (d) Short Range Wireless Network

4) Internet of things is natural extension of ----------------

a. Smart Factory
b. Computer
c. SCADA
d. I3.0
Answer: (c ) SCADA
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5) What is the full form of the LPWAN?
a. Low Protocol Wide Area Network
b. Low Power Wide Area Network
c. Long Protocol Wide Area Network
d. Long Power Wide Area Network
Answer: (b) Low Power Wide Area Network

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6) An IoT network is a collection of devices.
a. Signal
b. Machine to Machine
c. Interconnected
d. Network to Network
Answer: (c) Interconnected

7) Which one of the following is not an IoT device?

a. Amazon echo voice controller
b. Google Home
c. Nest Smoke Alarm
d. None of these
Answer: (d) None of the these

8) What is the main purpose of WoT (Web of Things) in the IoT?

a. Improve the usability and interoperability
b. Reduce the security
c. Complex the development
d. Increase the cost
Answer: (a) Improve the usability and interoperability

9) What is the Arduino UNO?

a. Software
b. Hardware device
c. Network
d. Protocol
Answer: (b) Hardware device

10) allows the user to control electronic components.

a. Android API
b. RETful API
c. MQTT API
d. CoAP API
Answer: (b) RETful API

11) Which of the following is not an application of IoT?

a. Wearables
b. Smart Grid
c. Arduino
d. Smart City
Answer: (c) Arduino

12) Which one of the following protocols is lightweight?

a. IP
b. HTTP
c. MQTT
d. CoAP
Answer: (c) MQTT

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13) What is the role of Big Data in IoT's Smart Grid architecture?
a. Filter the data
b. Locked the data
c. Store data
d. None of the these
Answer: (c) Store data

14) What is the real example of a smart grid device in IoT?

a. Mobile phone
b. Television
c. Smart Speaker
d. Smart Meters
Answer: (d) Smart Meters

15) What is the full form of the MQTT?

a. Multi-Queue Telemetry Things
b. Multiple Queue Telemetry Things
c. Message Queue Telemetry Things
d. Message Queue Telemetry Transport
Answer: (d) Message Queue Telemetry Transport

16) What is the full form of ICT?

a. Inter Connect Technology
b. Internet Connection Topology
c. Information and Communication Technology
d. Infer Communication Topology
Answer: (c) Information and Communication Technology

17) Which of the following frequencies is correct for the Galileo gen 2 board?
a. 250 MHz
b. 400 MHz
c. 450 MHz
d. 300 MHz
Answer: (b) 400 MHz

18) What is the full form of IANA?

a. Inter-Assessment-Number-Access
b. Internet-Association-Numbers-Authority
c. International-Aid-for-Network-Authority
d. Internet-Assigned-Numbers-Authority
e. Hide Answer Workspace
Answer: (d) Internet-Assigned-Numbers-Authority

19) What is the standard port number of secure MQTT?

a. 1883
b. 8000
c. 8883
d. 8888
Answer: (c) 8883

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20) Which of the following layers provides end-to-end communication in IoT?
a) Logical layer
b) Data link layer
c) Transport layer
d) Session layer
Answer: (c) Transport layer

21) Which of the following devices is used to measure the gases or liquid?
a) Optical Sensor
b) Gas Sensor
c) Smoke Sensor
d) Pressure sensor
Answer: (d) Pressure sensor

22) Which interface does the fingerprint sensor use?

a) UART interface
b) CoAP interface
c) SPI interface
d) I2P interface
Answer: (a) UART interface

23) Which of the following protocols is used by USART?

a) RS32
b) RS232C
c) 4RS85
d) All of the these
Answer: (b) RS232C

24) What is the full form of HDLC?

a. Higher Data Level Communication
b. Higher Data Link Communication
c. High-level Data Link Control
d. High Data Level Control
Answer: (c) High-level Data Link Control

25) Which of the following "bit" defines the address bit in the control register?
a) ML
b) MM
c) RXWake
d) None of the these
Answer: (b) MM

26) Identify which is not an element of IoT?

a) People.
b) Process.
c) Security.
d) Things.
Answer: (a) People

27) Internet of things is natural extension of ----------------

a) Smart Factory
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 b) Computer
c) SCADA
d) I3.0
Answer: (c) SCADA

28) IOT is evolved from--------- communication

a. B2B
b. M2B
c. M2H
d. M2M
Answer: (d) M2M

29) Data speed in 4G is .

a. 10Mbps
b. 64Kbps
c. 2 Mbps
d. 2.4 Kbps
Answer: (a) 10Mbps

30) Electrical power and locomotives are the inventions of

a. First revolution
b. Second revolution
c. Third Revolution
d. Fourth revolution
Answer: (b) Second revolution

31) IoT, Cyber Physical Systems, AI and Machine learning is characterized by

a. First revolution
b. Second revolution
c. Third Revolution
d. Fourth revolution
Answer: (d) Fourth revolution

32) The objective of industry 4.0 is

a. Increase efficiency
b. Reduce complexity
c. Enabled self-controlling
d. All above
Answer: (d) All above

33) ------- is the physical device or software program that serves as the
connection point between the cloud and controllers

a. SCADA
b. PLC
c. Actuator
d. IOT Gateway
Answer: (d) IOT Gateway
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 34) CPS means
a. Central Power System
b. Central Physical System
c. Cyber Power System
d. Cyber Physical system
Answer: (d) Cyber Physical system

35) Electrical Energy is related to which industry revolution

a. Industry Revolution 1.0
b. Industry Revolution 2.0
c. Industry Revolution 3.0
d. Industry Revolution 4.0
Answer: (b) Industry Revolution 2.0

36) The first revolution is about

a. Water and steam to mechanize production
b. Mass production Electronics & IT
c. Electric Power
d. Mass production

Answer: (a) Water and steam to mechanize production

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 ZEAL EDUCATION SOCIETY’S

ZEAL POLYTECHNIC,PUNE
NARHE │PUNE -41 │ INDIA
DEPARTMENT OF ELECTRICAL ENGINEERING
02. SMART GRID Marks:- 12
Content Of Chapter:-
2.1 Smart Grid: Need and Evolution Layout and Its Components, Advantages, Barrier, Smart Grid Project in
India.
2.2 Micro Grid, Distributed Energy Resources: Needed Formation Of Micro Grid, Distributed Generation
System, Distributed Generation Technologies.
2.3 Smart Substation: Need, Layout And Components, Typical Specification Of Existing Substation.

1. Which of the following smart grid components is responsible for monitoring things such as
electric current and voltage, among other things?
a. IT operations
b. Control systems & sensors
c. Analytic software
d. Communications
ANSWER: d. Communications

2. Which of the following best describes the smart grid's analytic software's responsibilities?
a. It monitors a smart grid's current voltage.
b. It is tasked with preventing malware from infecting the smart grid.
c. It analyzes the electricity to ensure it is coming from renewable resources.
d. It analyzes the power grid's processes and can automate.
ANSWER -c) It analyzes the electricity to ensure it is coming from renewable resources.

4. Alternate Mark Inversion (AMI) is also known as

a) Pseudo ternary coding
b) Manchester coding
c) Polar NRZ format
d) None of the above
ANSWER: a) Pseudo ternary coding

5. In Alternate Mark Inversion (AMI)

a) 0 is encoded as positive pulse and 1 is encoded as negative pulse
b) 0 is encoded as no pulse and 1 is encoded as negative pulse
c) 0 is encoded as negative pulse and 1 is encoded as positive pulse
d) 0 is encoded as no pulse and 1 is encoded as positive or negative pulse
ANSWER: b) 0 is encoded as no pulse and 1 is encoded as negative pulse

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 6. Advantages of using AMI
a) Needs least power as due to opposite polarity
b) prevents build-up of DC
c) may be used for longer distance
d) all of the above
ANSWER: d) all of the above

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 7. Which of the following AMI components is the collection of networks in which the entire
infrastructure is built on?
a. The collector
b. Smart meters
c. The communication channel
d. Head-end system
ANSWER: The communication channel

8. In Alternate Mark Inversion (AMI)

a) 0 is encoded as positive pulse and 1 is encoded as negative pulse
b) 0 is encoded as no pulse and 1 is encoded as negative pulse
c) 0 is encoded as negative pulse and 1 is encoded as positive pulse
d) 0 is encoded as no pulse and 1 is encoded as positive or negative pulse
ANSWER: d) 0 is encoded as no pulse and 1 is encoded as positive or negative pulse

9. Advantages of using AMI

a) Needs least power as due to opposite polarity
b) prevents build-up of DC
c) may be used for longer distance
d) all of the abovE
ANSWER: d) all of the above

10. The interference caused by the adjacent pulses in digital transmission is called
a) Inter symbol interference
b) White noise
c) Image frequency interference
d) Transit time noise
ANSWER: a) Inter symbol interference

11. Eye pattern

a) Is used to study ISI
b) May be seen on CRO
c) Resembles the shape of human eye
d) All of the above
ANSWER: d) All of the above

12. The time interval over which the received signal may be sampled without error may be explained
by
a) Width of eye opening of eye pattern
b) Rate of closure of eye of eye pattern
c) Height of the eye opening of eye pattern
d) All of the above
ANSWER: a) Width of eye opening of eye pattern

13. For a noise to be white Gaussian noise, the optimum filter is known as
a) Low pass filter
b) Base band filter
c) Matched filter
d) Bessel filter
ANSWER: c) Matched filter

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 14. Matched filters are used
a) For maximizing signal to noise ratio
b) For signal detection
c) In radar
d) All of the above
ANSWER: d) All of the above

15. The number of bits of data transmitted per second is called

a) Data signaling rate
b) Modulation rate
c) Coding
d) None of the above
ANSWER: a) Data signaling rate

16. Pulse shaping is done

a) to control Inter Symbol Interference
b) by limiting the bandwidth of transmission
c) after line coding and modulation of signl
d) all of the above
ANSWER: d) all of the above

17. The criterion used for pulse shaping to avoid ISI is

a) Nyquist criterion
b) Quantization
c) Sample and hold
d) PLL
ANSWER: a) Nyquist criterion

18. The filter used for pulse shaping is

a) Raised - cosine filter
b) Sinc shaped filter
c) Gaussian filter
d) All of the above
ANSWER: d) All of the above

19. Roll - off factor is defined as

a) The bandwidth occupied beyond the Nyquist Bandwidth of the filter
b) The performance of the filter or device
c) Aliasing effect
d) None of the above
ANSWER: a) The bandwidth occupied beyond the Nyquist Bandwidth of the filter

20. Which of the following AMI components is the collection of networks in which the entire
infrastructure is built on?
a. The collector
b. Smart meters
c. The communication channel
d. Head-end system
ANSWER: b. Smart meters

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 21. Which of the following best describes the collector's purpose in an AMI?
a. It is the main hub for the entire infrastructure.
b. It is installed around a smart meter so that only authorized technicians with a key can access the device.
c. It prevents unauthorized communication between smart meters.
d. It is the communication node between the head-end system an
ANSWER: b. It is installed around a smart meter so that only authorized technicians with a key can access
the device.

22. Electric grid is a single entity with ….

a. Multiple generation plants and transmission network
b. Conventional generation plants and transmission network
c. Multiple generation plants and distribution network
d. Multiple generation plants, transmission and distribution network

ANSWER: d. multiple generation plants, transmission and distribution network

23. Objective of Smart grid is…

a. Smart utilization of all the available resources.
b. Best utilization of all the available resources
c. optimum utilization of all the available resources
d. all of the above

ANSWER: d. all of the above

24. Function of the communication network in Smart grid is…..

a. Energy Generation
b. Control and connectivity
c. Applications
d. Optimum use of energy
ANSWER: b. Control and connectivity

25. Classification of micro grids is based on …

a. type of controlling apparatus
b. type of supply (AC/DC)
c. type of load
d. number of generating units

ANSWER: b. type of supply (AC/DC)

26. A localized grouping of electricity generations, energy storages, and loads is

termed as?
a. Macro grid
b. Micro grid
c. National grid
d. State grid
ANSWER: b. Micro grid

27. A micro-grid is designed for a usually for a certain community whiles the
smart grid is designed for the ______electrical system.
a. small scale, whole
b. medium scale, whole
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 c. large scale ,whole
d. small scale, partial
ANSWER: a. small scale, whole

28. Distributed generation plays significant role in macro grid to improve

a. increasing the power demand on the grid
b. increasing the transmission line losses
c. increasing the reliability factor of supply
d. increasing the cost of power generation
ANSWER: c. increasing the reliability factor of supply

29. “Transform the Indian power sector into a secure, adaptive, sustainable and
digitally enabled ecosystem that provides reliable and quality energy for all with
active participation of stakeholders.”
a. Micro Grid Vision for India
b. Smart Grid Vision for USA
c. Smart Grid Mission for India
d. Smart Grid Vision for India

ANSWER: d. Smart Grid Vision for India

30. ISGTF abbreviation stands for ….

a. India Smart Grid Task Force
b. International Scout And Guide Fellowship
c. International Smart Grid Task Force
d. India Standard Grid Task Force
ANSWER: a. India Smart Grid Task Force

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