A. wheel base of axles is more
B. degree of curvature is more
C. both A. and B.
D. none of the above
A. Diesel shunters
B. Steam locomotives
C. Electric locomotives
D. Diesel locomotives
have maximum unbalanced forces_______________? Read More »
Electric Traction, Electrical Engineering Mcqs A. main-line service
B. urban service
C. sub-urban service
D. all of the above
In case of _________________ free running and coasting periods are generally long ? Read More »
Electric Traction, Electrical Engineering Mcqs A. neutral wire
B. rails
C. cables
D. common earthing
The return circuit for tramcars is through_______________? Read More »
Electric Traction, Electrical Engineering Mcqs 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
Series motor is not suited for traction duty due to which of the following account ? Read More »
Electric Traction, Electrical Engineering Mcqs A. resistance offered by air
B. friction at the track
C. friction at various parts of the rolling stock
D. all of the above
The resistance encountered by a train in motion is on account of_________________? Read More »
Electric Traction, Electrical Engineering Mcqs A. steel mills
B. power stations
C. narrow gauge traction
D. factories for material transportation
Battery operated trucks are used in________________? Read More »
Electric Traction, Electrical Engineering Mcqs A. Vacuum pump
B. Ejector
C. Any of the above
D. None of the above
Vacuum is created by which of the following ? Read More »
Electric Traction, Electrical Engineering Mcqs A. Plugging braking
B. Rheostatic braking
C. Regenerative braking
D. None of the above
_______________method can bring the locomotive to dead stop? Read More »
Electric Traction, Electrical Engineering Mcqs A. 12 V
B. 24 V
C. 220 V
D. 600 to 750 V
The voltage used for suburban trains in D.C. system is usually_______________? Read More »
Electric Traction, Electrical Engineering Mcqs