Electric Traction MCQ Questions & Answers | Electrical Engineering

A. Sand on rails

B. Dew on rails

C. Oil on the rails

D. Both (B) and (C)

A. 200 V D.C.

B. 25 kV single phase A.C.

C. 25 kV two phase A.C.

D. 25 kV three phase A.C.

A. Acceleration and retardation

B. Gradient

C. Distance covered

D. All of the above

A. Jolting and skidding

B. Hammer blow

C. Pitching

D. All of the above

A. High in case of D.C. traction than in the case of AC. traction

B. Low in case of D.C. traction than in the case of AC. traction

C. Equal in both AC. and D.C. traction

D. Any of the above

A. Regenerative braking on electric locomotives

B. Vacuum braking on diesel locomotives

C. Vacuum braking on steam locomotives

D. All braking systems are equally costly

A. Steel mills

B. Power stations

C. Narrow gauge traction

D. Factories for material transportation

A. Electric locomotives

B. Diesel engine locomotives

C. Steam engine locomotives

D. All of the above

A. Less current drain on the heavy load torque

B. Current surges after temporary switching off supply

C. Self relieving property

D. Commutating property at heavy load

A. Retardation and acceleration values

B. Gradient

C. Distance between stops

D. All of the above