A. Engine power
B. Track curves
C. Passenger Discomfort
D. Track size
Related Mcqs:
- The rate of acceleration on suburban orurban service is in the range_________________?
A. 0.2 to 0.5 km phps
B. 1.6 to 4.0 km phps
C. 5 to 10 km phps
D. 15 to 25 km phps - Speed-time curve of main line service differs from those of urban and suburban services on following account_______________?
A. it has longer free running period
B. it has longer coasting period
C. accelerating and braking periods are comparatively smaller
D. all of the above - _______________watt-hours per tonne km is usually the specific energy consumption for suburban services?
A. 15—20
B. 50—75
C. 120—150
D. 160—200 - In main line service as compared to urban and suburban service______________?
A. distance between the stops is more
B. maximum speed reached is high
C. acceleration and retardation rates are low
D. all of the above - The voltage used for suburban trains in D.C. system is usually_______________?
A. 12 V
B. 24 V
C. 220 V
D. 600 to 750 V - Overload capacity of diesel engines is usually restricted to_______________?
A. 2 percent
B. 10 percent
C. 20 percent
D. 40 percent - The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to_____________/
A. 5
B. 10
C. 14
D. 17 - A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is____________________?
A. slop speed operation
B. high starting torque
C. low windage losses
D. all of the above - Which of the following motors is preferred when quick speed reversal is the main consideration ?
A. Squirrel cage induction motor
B. Wound rotor induction motor
E. Synchronous motor
D. D.C. motor - The most important consideration in power amplifier is __________________?
A. Biasing the circuit
B. Collector efficiency
C. To keep the transformer cool
D. None of the above
