Electric Traction

A. electrical-pneumatic
B. mechanical-electrical
C. hydro-mechanical
D. hydro-pneumatic

A. 60 Hz
B. 50 Hz
C. 25 Hz
D. 16 Hz

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

A. 40 Hz
B. 25 Hz
C. 16 Hz
D. non of these

A. has better coefficient of adhesion
B. are suited both for passanger as well as freight service
C. has better riding qualities due to the reduction of lateral forces
D. has all above qualities

A. Retardation and acceleration values
B. Gradient
C. Distance between stops
D. All of the above

A. main line
B. urban
C. suburban

A. 3 m
B. 6 m
C. 10 m
D. 15 m

A. Work against the resistance to motion
B. Work against gravity while moving up the gradient
C. Acceleration
D. All of the above

A. easy speed control
B. high starting tractive effort
C. equipment capable of with standing large temporary loads
D. all of the above