Monday, January 17, 2022

Dr.A.P.J.Abdul Kalam University BE V SEM ALL BRANCH Utilisation of Electrical Energy [EX-501] Dec - 2020 Question Paper

Dr.A.P.J.Abdul Kalam University

Bachelor of Engineering

Fifth Semester Main Examination, December 2020

Utilisation of Electrical Energy [EX-501]

Branch- EX

Time: 3:00 Hrs Max Marks 70

Note : 1. Attempt any five questions out of eight.

2. All question carry equal marks.

3. Assume suitable data if necessary & state them clearly.

Q.1 (a) Briefly Explain Acceleration and braking retardation.

(b) Write short note on. Solid angle, luminous efficiency and

cosine law.

Q.2 (a) Draw the circuit diagram for tube light connection having

choke and stator.

(b) Explain Configuration and performance of electrical vehicles.

Q.3 (a) Explain refrigeration and air-conditioning.

(b) Explain load equalization of electrical braking.

Q.4 (a) Define Individual and collective drives.

(b) Explain vehicle performance and energy consumption

Q.5 (a) Define electrical braking and what are its types (explain).

(b) Explain Adhesive weight and coefficient of adhesion

Q.6 (a) Write short note on flood lightning and street lightning.

(b) Explain Mechanics of train movement with Speed Time Curve.

Q.7 (a) Explain different characteristics of traction motor.

(b) What are the special features of Traction motors and selection of Traction

Motor.

Q.8 (a) Explain electric traction and their Advantages and disadvantage.

(b) Explain Laws of electrolysis and Define electroplating

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