Utilization of Electrical Energy and Traction — Summer 2022

State advantages of electric heating.

Compare AC and DC traction system.

Explain speed-Time curve of a main line electric traction system.

Write classification of electrical drive in detail.

Explain factors affecting selection of drive.

State and describe the types of electric braking in detail.

How selection of a motor is done for a particular application?

Different modes of heat transfer.

State and explain Faraday’s law of electrolysis.

Explain the design procedure of heating element.

Compare AC and DC arc welding.

Write short note on induction heating.

Draw and explain electrical circuit used in domestic refrigerator.

Explain the terms: 1) Lumen 2) Luminous flux 3) luminous intensity

Compare Resistance and Arc welding.

Explain Ajax-Wyatt Furnace with advantages, disadvantages and applications.

Compare AC and DC Traction system.

What is electro plating? Describe it in detail.

Draw a diagram of AC electric locomotive and explain function of each part of it.

Give the applications of a high frequency eddy current heating.

State and explain laws of illumination.

Explain dielectric heating with its applications.

Write principle of air-conditioning and enlist advantages of it.

What is flood lighting? Where it is used?

Write principle of resistance welding. Explain Butt welding.