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Specific energy consumption is least in ________________ service?
Related MCQs
__________watt-hours per tonne km is usually the specific energy consumption for suburban services?
The rate of acceleration on suburban orurban service is in the range__________?
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction ?
The braking retardation is usually in the range__________?
The coasting retardation is around__________?
If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails ?
Which of the following happens in Kando system ?
Power for lighting in passanger coach, in a long distance electric train, is provided__________?
For which of the following locomotives the maintenance requirements are the least ?
In case of a steam engine an average coal consumption per km is nearly__________?
Suri transmission is__________?
For 25 kV single phase system power supply frequency is__________?
Locomotives with monometer bogies have__________?
__________ frequency is not common in low frequency traction system?
Locomotive having monomotor bogies__________?
Specific energy consumption is affected by which of the following factors ?
Overhead lines for power supply to tramcars are at a minimum height of__________?
Energy consumption in propelling the train is required for which of the following?
An ideal traction system should have__________?
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when__________?
have maximum unbalanced forces__________?
In case of __________ free running and coasting periods are generally long ?
The return circuit for tramcars is through__________?
Series motor is not suited for traction duty due to which of the following account ?
The resistance encountered by a train in motion is on account of__________?
Battery operated trucks are used in__________?
Vacuum is created by which of the following ?
__________method can bring the locomotive to dead stop?
The voltage used for suburban trains in D.C. system is usually__________?
Specific energy consumption becomes__________?
The value of co-efficient of adhesion will be high when rails are__________?
For three-phase induction motors which of the following is the least efficient method of speed control ?
In main line service as compared to urban and suburban service__________?
Which of the following is the disadvantage of electric traction over other systems of traction ?
Quadrilateral speed-time curve pertains to which of the following services ?
Co-efficient of adhesion is__________-?
Which of the following braking systems is used on steam locomotives ?
The rate of acceleration on suburban orurban services is restricted by the consideration of__________?
The friction at the track is proportional to__________?
The normal value of adhesion friction is__________?
Speed-time curve of main line service differs from those of urban and suburban services on following account__________?
The specific energy consumption of a train depends on which of the following ?
The air resistance to the movement of the train is proportional to__________?
The pulsating torque exerted by steam locomotives causes which of the following ?
Co-efficient of adhesion reduces due to the presence of which of the following ?
Tractive effort is required to__________?
Due to which of the following co-efficient of adhesion improves ?
For given maximum axle load tractive efforts of AC. locomotive will be__________?
Which of the following is the advantage of electric braking ?
The speed of a superfast train is__________?
Which of the following braking systems on the locomotives is costly ?
Specific energy consumption is least in ________________ service?
A. main line
B. urban
C. suburban
Correct Answer:
main line
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Last Updated:
July 30, 2021