ELECTRIC TRACTION QUIZ

The coasting retardation is around

2.6 km phps

0.16 km phps

1.6 km phps

3.6 km phps

TRUE ANSWER : ?
YOUR ANSWER : ?

An ideal traction system should have

All of the listed here

Easy speed control

Equipment capable of withstanding large temporary loads

High starting tractive effort

TRUE ANSWER : ?
YOUR ANSWER : ?

Main traction systems used in India are, those using

Electric locomotives

All of the listed here

Steam engine locomotives

Diesel engine locomotives

TRUE ANSWER : ?
YOUR ANSWER : ?

Overhead lines for power supply to tram cars are at a minimum height of

3 m

15 m

10 m

6 m

TRUE ANSWER : ?
YOUR ANSWER : ?

For which of the following locomotives the maintenance requirements are the least?

Steam locomotives

Diesel locomotives

Electric locomotives

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

The resistance encountered by a train in motion is on account of

All of the listed here

Friction at the track

Friction at various parts of the rolling stock

Resistance offered by air

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Accelerating and braking periods are comparatively smaller

It has longer coasting period

All of the listed here

It has longer free running period

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 : ?
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For 25 kV single phase system power supply frequency is

60 Hz

100 Hz

25 Hz

50 Hz

TRUE ANSWER : ?
YOUR ANSWER : ?

Automatic signaling is used for which of the following trains?

All trains

Suburban and Urban electric trains

Mail and express trains

Superfast trains

TRUE ANSWER : ?
YOUR ANSWER : ?

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