Download GTU B.Tech 2020 Winter 6th Sem 2160907 Utilization Of Electrical Energy And Traction Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 6th Sem 2160907 Utilization Of Electrical Energy And Traction Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VI (NEW) EXAMINATION ? WINTER 2020
Subject Code:2160907 Date:05/02/2021
Subject Name:Utilization of Electrical Energy and Traction
Time:02:00 PM TO 04:00 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) Give the meaning of following terms related to electric
03
traction: (i) Crest speed (ii) Average speed (iii) Schedule
speed.

(b) Compare AC and DC traction system.
04

(c) Explain various factors affecting selection of drive.
07



Q.2 (a) Explain following terms with respect to illumination:
03
(i) Luminous Intensity (ii) Illumination (iii) Candle Power

(b) Name the motor used as a drive for particular services
04
with reason: (i) Cranes (ii) Water pumps (iii) Fans (iv)
Electric traction

(c) State and describe the types of electric braking in detail.
07




Q.3 (a) Define Electrolysis process and state its applications.
03

(b) State and explain Faraday's law of electrolysis.
04

(c) State and explain Inverse square law and Lambert's cosine
07
law of Illumination.




Q.4 (a) Briefly describe the factors affecting schedule speed of a
03
train.

(b) Discuss the factors affecting in electro deposition.
04

(c) Draw a diagram of AC electric locomotive and explain
07
function of each part of it.



Q.5 (a) Give the applications of a high frequency eddy current
03
heating.

(b) State the advantages of electric heating.
04

(c) Name various electric heating methods and explain direct
07
resistance heating in detail.



Q.6 (a) Briefly describe the process of anodizing.
03

(b) Explain Direct core type induction furnace with neat
04
sketch.

(c) Explain dielectric heating with its applications.
07



Q.7 (a) Explain carbon arc welding with sketch.
03

(b) Compare resistance welding and arc welding.
04

(c) Draw and explain refrigeration cycle.
07
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Q.8 (a) Compare AC and DC arc welding.
03
(b) Give detail classification of various welding processes.
04
(c) State the principle of air conditioning and explain window
07
type air conditioner with neat sketch.

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