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Electric Traction
The pulsating torque exerted by steam locomotives causes which of the following?
Pitching
Jolting and skidding
Hammer blow
All of the listed here
Pitching
Jolting and skidding
Hammer blow
All of the listed here
Answer
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Related Question
Electric Traction
Tractive effort is required to
Accelerate the train mass
All of the listed here
Overcome friction, windage and curve resistance
Overcome the gravity component of train mass
Accelerate the train mass
All of the listed here
Overcome friction, windage and curve resistance
Overcome the gravity component of train mass
Answer
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Electric Traction
Energy consumption in propelling the train is required for which of the following?
Work against gravity while moving up the gradient
All of the listed here
Acceleration
Work against the resistance to motion
Work against gravity while moving up the gradient
All of the listed here
Acceleration
Work against the resistance to motion
Answer
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Electric Traction
Long distance railways use which of the following?
25 kV two phase A.C.
200 V D.C.
25 kV single phase A.C.
25 kV three phase A.C.
25 kV two phase A.C.
200 V D.C.
25 kV single phase A.C.
25 kV three phase A.C.
Answer
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Electric Traction
Which of the following drives is suitable for mines where explosive gas exists?
Diesel engine
Steam engine
Battery locomotive
All of the listed here
Diesel engine
Steam engine
Battery locomotive
All of the listed here
Answer
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Electric Traction
Vacuum is created by which of the following?
None of the listed here
Ejector
Any of the listed here
Vacuum pump
None of the listed here
Ejector
Any of the listed here
Vacuum pump
Answer
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