ELECTRIC TRACTION QUIZ

The friction at the track is proportional to

1/speed

None of the listed here

Speed

1/(speed)²

TRUE ANSWER : ?
YOUR ANSWER : ?

Battery operated trucks are used in

Steel mills

Factories for material transportation

Narrow gauge traction

Power stations

TRUE ANSWER : ?
YOUR ANSWER : ?

In a steam locomotive electric power is provided through

Battery system

Small turbo-generator

Overhead wire

Diesel engine generator

TRUE ANSWER : ?
YOUR ANSWER : ?

Long distance railways use which of the following?

25 kV three phase A.C.

25 kV single phase A.C.

200 V D.C.

25 kV two phase A.C.

TRUE ANSWER : ?
YOUR ANSWER : ?

The rate of acceleration on suburban or urban service is in the range

15 to 25 km phps

1.6 to 4.0 km phps

0.2 to 0.5 km phps

5 to 10 km phps

TRUE ANSWER : ?
YOUR ANSWER : ?

The speed of a superfast train is

60 kmph

100 kmph

75 kmph

More than 100 kmph

TRUE ANSWER : ?
YOUR ANSWER : ?

Vacuum is created by which of the following?

Any of the listed here

None of the listed here

Ejector

Vacuum pump

TRUE ANSWER : ?
YOUR ANSWER : ?

Methods can bring the locomotive to dead stop.

Plugging braking

None of the listed here

Regenerative braking

Rheostat braking

TRUE ANSWER : ?
YOUR ANSWER : ?

Speed-time curve of main line service differs from those of urban and suburban services on following account

It has longer coasting period

It has longer free running period

Accelerating and braking periods are comparatively smaller

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to

10

15

20

5

TRUE ANSWER : ?
YOUR ANSWER : ?

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