- (A) directly through overhead electric line
- (B) through individual generator of bogie and batteries
- (C) through rails
- (D) through locomotive
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- (A) Steam locomotives
- (B) Diesel locomotives
- (C) Electric locomotives
- (D) Equal in all of the above
- (A) 150 to 175 kg
- (B) 100 to 120 kg
- (C) 60 to 80 kg
- (D) 28 to 30 kg
- (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) 2 kW
- (B) 20 kW
- (C) 50 kW
- (D) 100 kW
