Download GTU BE/B.Tech 2019 Summer 6th Sem New 2162407 Electrical Power Utilization And Traction Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2162407 Electrical Power Utilization And Traction Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2162407 Date:14/05/2019
Subject Name:Electrical Power Utilization & Traction
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Classify electric drives. 03
(b) Draw & discuss block diagram of electric drive. 04
(c) Write a brief note on Selection of drive for applications of Textile mill,
paper mill, steel mill, printing press, crane, lift.
07

Q.2 (a) State Specifications of squirrel cage and slip ring induction motors. 03
(b) Write a short note on visibility spectrum curve of relative sensitivity of
human eye.
04
(c) Explain construction and working of incandescent lamps their
characteristics.
07
OR
(c) Explain construction and working of discharge lamps and their
characteristics.
07
Q.3 (a) State advantages of electrical heating. 03
(b) Give classification of electrical heating. 04
(c) Discuss dielectric heating and its applications, 07
OR
Q.3 (a) State advantages of electric welding. 03
(b) Give comparison between AC and DC arc welding. 04
(c) Explain in detail projection seam and butt, welding. 07
Q.4 (a) Explain principle of arc production. 03
(b) Describe principle of galvanizing and its application. 04
(c) Explain process of electroplating. 07
OR
Q.4 (a) Define: Illumination & Luminous flux. 03
(b) Discuss the role of Air Conditioning in our day to day life. 04
(c) Explain process of electro-deposition - clearing 07
Q.5 (a) Describe working of AC series motors. 03
(b) Description of Electrical circuit used in refrigerator. 04
(c) Discuss various types of motors used in traction. 07
OR
Q.5 (a) Write a short note on third rail system of current collection. 03
(b) Write a short note on : Metro railways 04
(c) Explain clearly speed time curves for different services. 07

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