ELECTRIC TRACTION QUIZ

Long distance railways use which of the following?

25 kV two phase A.C.

25 kV single phase A.C.

200 V D.C.

25 kV three phase A.C.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Current surges after temporary switching off supply

Self relieving property

TRUE ANSWER : ?
YOUR ANSWER : ?

Battery operated trucks are used in

Steel mills

Power stations

Narrow gauge traction

Factories for material transportation

TRUE ANSWER : ?
YOUR ANSWER : ?

The value of coefficient of adhesion will be high when rails are

Wet

Cleaned with sand

Greased

Sprayed with oil

TRUE ANSWER : ?
YOUR ANSWER : ?

Vacuum is created by which of the following?

Ejector

Vacuum pump

None of the listed here

Any of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

The friction at the track is proportional to

1/speed

Speed

1/(speed)²

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

In India diesel locomotives are manufactured at

Jamalpur

Ajmer

Bangalore

Varanasi

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Resistance offered by air

Friction at various parts of the rolling stock

Friction at the track

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following state capitals is not on broad gauge track ?

Jaipur

Bhopal

Lucknow

Chandigarh

TRUE ANSWER : ?
YOUR ANSWER : ?

An ideal traction system should have

All of the listed here

High starting tractive effort

Equipment capable of withstanding large temporary loads

Easy speed control

TRUE ANSWER : ?
YOUR ANSWER : ?

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