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Electric Traction
Long distance railways use which of the following?
200 V D.C.
25 kV two phase A.C.
25 kV three phase A.C.
25 kV single phase A.C.
200 V D.C.
25 kV two phase A.C.
25 kV three phase A.C.
25 kV single phase A.C.
Answer
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Related Question
Electric Traction
The speed of a superfast train is
60 kmph
100 kmph
75 kmph
More than 100 kmph
60 kmph
100 kmph
75 kmph
More than 100 kmph
Answer
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Electric Traction
The overall efficiency of steam locomotive is around
15 to 20 percent
25 to 35 percent
35 to 45 percent
5 to 10 percent
15 to 20 percent
25 to 35 percent
35 to 45 percent
5 to 10 percent
Answer
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Electric Traction
The normal value of adhesion friction is
0.25
0.50
0.35
0.30
0.25
0.50
0.35
0.30
Answer
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Electric Traction
The resistance encountered by a train in motion is on account of
Friction at various parts of the rolling stock
All of the listed here
Resistance offered by air
Friction at the track
Friction at various parts of the rolling stock
All of the listed here
Resistance offered by air
Friction at the track
Answer
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Electric Traction
Which of the following is the advantage of electric braking?
It is instantaneous
More heat is generated during braking
It avoids wear of track
Motor continues to remain loaded during braking
It is instantaneous
More heat is generated during braking
It avoids wear of track
Motor continues to remain loaded during braking
Answer
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