For which of the following locomotives the maintenance requirements are the least ?
A. Steam locomotives
B. Diesel locomotives
C. Electric locomotives
D. Equal in all of the above
B. Diesel locomotives
Electric Traction MCQs
Electric Traction MCQs. Multiple Choice Questions and Answers related to Electric Traction in the field of Electronics and Electrical Engineering.
Power for lighting in passenger coach, in a long distance electric train, is provided ?
A. directly through overhead electric line
B. through individual generator of bogie and batteries
C. through rails
D. through locomotive
B. through individual generator of bogie and batteries
Which of the following happens in Kando system ?
A. Three phase A.C. is converted into D.C.
B. Single phase A.C. is converted into D.C.
C. Single phase supply is converted into three phase system
D. None of the above
C. Single phase supply is converted into three phase system
If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails ?
A. 0.3
B. 0.26
C. 0.225
D. 0.16
D. 0.16
The coasting retardation is around ?
A. 0.16 km phps
B. 1.6 km phps
C. 16 km phps
D. 40 km phps
A. 0.16 km phps
In case of a steam engine an average coal consumption per km is nearly ?
A. 150 to 175 kg
B. 100 to 120 kg
C. 60 to 80 kg
D. 28 to 30 kg
D. 28 to 30 kg
Suri transmission is ?
A. electrical-pneumatic
B. mechanical-electrical
C. hydro-mechanical
D. hydro-pneumatic
C. hydro-mechanical
For 25 kV single phase system power supply frequency is ?
A. 60 Hz
B. 50 Hz
C. 25 Hz
D. 16 Hz
B. 50 Hz
Locomotives with monometer bogies have ?
A. uneven distribution of tractive effect
B. suitability for passanger as well as freight service
C. lot of skidding
D. low co-efficient of adhesion
B. suitability for passanger as well as freight service
____________ frequency is not common in low frequency traction system ?
A. 40 Hz
B. 25 Hz
C. 16 Hz
D. non of these
A. 40 Hz