Locomotives with monometer bogies have
Locomotives with monometer bogies have
Which of the following state capitals (in India) is not on broad gauge track?
Which of the following state capitals (in India) is not on broad gauge track?
Specific energy consumption becomes
Specific energy consumption becomes
Battery operated trucks are used in
Battery operated trucks are used in
_______ was the first city in India to adopt electric traction.
_______ was the first city in India to adopt electric traction.
In a steam locomotive electric power is provided through
In a steam locomotive electric power is provided through
The coasting retardation is around
The coasting retardation is around
Long distance railways use which of the following?
Long distance railways use which of the following?
Which of the following happens in Kando system?
Which of the following happens in Kando system?
Which of the following state capitals is not on broad gauge track ?
Which of the following state capitals is not on broad gauge track ?
Due to which of the following coefficient of adhesion improves?
Due to which of the following coefficient of adhesion improves?
Energy consumption in propelling the train is required for which of the following?
Energy consumption in propelling the train is required for which of the following?
Watt-hours per tonne km is usually the specific energy consumption for suburban services.
Watt-hours per tonne km is usually the specific energy consumption for suburban services.
In case of a steam engine an average coal consumption per km is nearly
In case of a steam engine an average coal consumption per km is nearly
If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?
If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?
The speed of a superfast train is
The speed of a superfast train is
Electric locomotives in India are manufactured at
Electric locomotives in India are manufactured at
The return circuit for tram cars is through
The return circuit for tram cars is through
The speed of a locomotive is controlled by
The speed of a locomotive is controlled by
The overall efficiency of steam locomotive is around
The overall efficiency of steam locomotive is around
_________ locomotive has the highest operational availability.
_________ locomotive has the highest operational availability.
The rate of acceleration on sub-urban or urban services is restricted by the consideration of
The rate of acceleration on sub-urban or urban services is restricted by the consideration of
Which of the following is the disadvantage of electric traction over other systems of traction?
Which of the following is the disadvantage of electric traction over other systems of traction?
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when
Vacuum is created by which of the following?
Vacuum is created by which of the following?
The wheels of a train, engine as well as bogies, are slightly tapered to
The wheels of a train, engine as well as bogies, are slightly tapered to
The air resistance to the movement of the train is proportional to
The air resistance to the movement of the train is proportional to
Which of the following is an advantage of electric traction over other methods of traction?
Which of the following is an advantage of electric traction over other methods of traction?
Specific energy consumption is least in _______ service.
Specific energy consumption is least in _______ service.
Overload capacity of diesel engines is usually restricted to
Overload capacity of diesel engines is usually restricted to
In case of locomotives the tractive power is provided by
In case of locomotives the tractive power is provided by
The horsepower of steam locomotives is
The horsepower of steam locomotives is
For which of the following locomotives the maintenance requirements are the least?
For which of the following locomotives the maintenance requirements are the least?
In India, electrification of railway track was done for the first time in which of the following years?
In India, electrification of railway track was done for the first time in which of the following years?
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?
________ have maximum unbalanced forces
________ have maximum unbalanced forces
_________ frequency is not common in low frequency traction system
_________ frequency is not common in low frequency traction system
Which of the following drives is suitable for mines where explosive gas exists?
Which of the following drives is suitable for mines where explosive gas exists?
The braking retardation is usually in the range
The braking retardation is usually in the range
Which of the following braking systems on the locomotives is costly?
Which of the following braking systems on the locomotives is costly?
Automatic signalling is used for which of the following trains ?
Automatic signalling is used for which of the following trains ?
Series motor is not suited for traction duty due to which of the following account?
Series motor is not suited for traction duty due to which of the following account?
For 25 kV single phase system power supply frequency is
For 25 kV single phase system power supply frequency is
For three-phase induction motors which of the following is the least efficient method of speed control?
For three-phase induction motors which of the following is the least efficient method of speed control?
An ideal traction system should have
An ideal traction system should have
Methods can bring the locomotive to dead stop.
Methods can bring the locomotive to dead stop.
Specific energy consumption is affected by which of the following factors?
Specific energy consumption is affected by which of the following factors?
The pulsating torque exerted by steam locomotives causes which of the following?
The pulsating torque exerted by steam locomotives causes which of the following?
Tractive effort is required to
Tractive effort is required to
The rate of acceleration on suburban or urban service is in the range
The rate of acceleration on suburban or urban service is in the range
Power for lighting in passenger coach, in a long distance electric train, is provided
Power for lighting in passenger coach, in a long distance electric train, is provided
In tram ways which of the following motors is used?
In tram ways which of the following motors is used?
The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to
The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to
Which of the following is the advantage of electric braking?
Which of the following is the advantage of electric braking?
In India diesel locomotives are manufactured at
In India diesel locomotives are manufactured at
Which of the following braking systems is used on steam locomotives?
Which of the following braking systems is used on steam locomotives?
Main traction systems used in India are, those using
Main traction systems used in India are, those using
Automatic signaling is used for which of the following trains?
Automatic signaling is used for which of the following trains?
For given maximum axle load tractive efforts of AC. locomotive will be
For given maximum axle load tractive efforts of AC. locomotive will be
Overhead lines for power supply to tram cars are at a minimum height of
Overhead lines for power supply to tram cars are at a minimum height of
The specific energy consumption of a train depends on which of the following?
The specific energy consumption of a train depends on which of the following?
The efficiency of diesel locomotives is nearly
The efficiency of diesel locomotives is nearly
The steam engine provided on steam locomotives is
The steam engine provided on steam locomotives is
In case of ___________ free running and coasting periods are generally long.
In case of ___________ free running and coasting periods are generally long.
Quadrilateral speed-time curve pertains to which of the following services?
Quadrilateral speed-time curve pertains to which of the following services?
Which of the following is the voltage for single phase A.C. system?
Which of the following is the voltage for single phase A.C. system?
Speed-time curve of main line service differs from those of urban and suburban services on following account
Speed-time curve of main line service differs from those of urban and suburban services on following account
In case of steam engines the steam pressure is
In case of steam engines the steam pressure is
The friction at the track is proportional to
The friction at the track is proportional to
For diesel locomotives the range of horsepower is
For diesel locomotives the range of horsepower is
In main line service as compared to urban and suburban service
In main line service as compared to urban and suburban service
The voltage used for suburban trains in D.C. system is usually
The voltage used for suburban trains in D.C. system is usually
Coefficient of adhesion is
Coefficient of adhesion is
Suri transmission is
Suri transmission is
The normal value of adhesion friction is
The normal value of adhesion friction is
The resistance encountered by a train in motion is on account of
The resistance encountered by a train in motion is on account of
Coefficient of adhesion reduces due to the presence of which of the following?
Coefficient of adhesion reduces due to the presence of which of the following?
Locomotive having mono-motor bogies
Locomotive having mono-motor bogies
The value of coefficient of adhesion will be high when rails are
The value of coefficient of adhesion will be high when rails are
