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Electric Traction

Electric Traction
In case of steam engines the steam pressure is

25 to 35 kgf/cm²
5 to 8 kgf/cm²
1 to 4 kgf/cm²
10 to 15 kgf/cm²

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Electric Traction
_______ was the first city in India to adopt electric traction.

Bombay (Mumbai)
Delhi
Calcutta (kolkata)
Madras (Chennai)

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Electric Traction
Tractive effort is required to

All of the listed here
Overcome the gravity component of train mass
Overcome friction, windage and curve resistance
Accelerate the train mass

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Electric Traction
Series motor is not suited for traction duty due to which of the following account?

Less current drain on the heavy load torque
Commutating property at heavy load
Self relieving property
Current surges after temporary switching off supply

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Electric Traction
Which of the following braking systems is used on steam locomotives?

Pneumatic system
Vacuum system
None of the listed here
Hydraulic system

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Electric Traction
In case of locomotives the tractive power is provided by

Double cylinder, double acting steam engine
Single cylinder double acting steam engine
Single stage steam turbine
Double cylinder, single acting steam engine

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