Download GTU B.Tech 2020 Winter 5th Sem 3152410 Power Electronics In Consumer Products Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3152410 Power Electronics In Consumer Products Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3152410 Date:01/02/2021
Subject Name:Power Electronics in Consumer Products
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Marks
Q.1 (a) Define Power Electronics. With the help of block-diagram explain power
03
electronic system.

(b) Enlist any four important applications of power electronics in daily life.
04

(c) Enumerate universal advantages and disadvantages of power electronic
07
products.
Q.2 (a) Write a short note on CFL lamp.
03

(b) Compare LED based tube light with conventional tube light.
04

(c) Draw and explain the block diagram of IOT based controllable / dimmable
07
lights.
Q.3 (a) Discuss power electronic converter used in washing machine.
03

(b) Distinguish Inverter based Air Conditioner with conventional Air Conditioner.
04

(c) Explain inverter based Air Conditioner. How it censors the bill?
07




Q.4 (a) Give a technical note on Vacuum cleaner with specification.
03

(b) Discuss BLDC fan. Enlist the disadvantages of BLDC fan.
04

(c) Explain power electronics circuits used in Elevator. Enumerate the advantages
07
of PE based Elevators over conventional Elevators.
Q.5 (a) Write the specification of mobile charger and compare it with Tablets Charger.
03

(b) Discuss regulated power supply used for internet Routers / Switches.
04

(c) Draw and explain regulated power supply applicable to LED TV.
07



Q.6 (a) Discuss Induction Cooker.
03

(b) Explain Induction cook tops & plats.
04

(c) Draw and explain power electronic converter used in Induction water heater.
07
Enlist its advantages over conventional water heater.
Q.7 (a) Write short notes on UPS.
03

(b) Discuss types & role of converters in solar based agricultural pump.
04

(c) Illustrate power electronics converter used in small roof top Solar Power Plant.
07



Q.8 (a) Write role of power electronics in Advertising Display Unit.
03
(b) Discuss on charger for electric vehicle.
04
(c) Draw and explain basic block diagram of ELCB.
07

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