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Electric Traction

Electric Traction
The normal value of adhesion friction is

0.35
0.30
0.50
0.25

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Electric Traction
Overload capacity of diesel engines is usually restricted to

8 percent
6 percent
4 percent
2 percent

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Electric Traction
The speed of a locomotive is controlled by

Regulating steam flow to engine
Applying brakes
Flywheel
Gear box

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

Sprayed with oil
Wet
Cleaned with sand
Greased

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Electric Traction
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when

None of the listed here
Degree of curvature is more
Wheel base of axles is more
Both of the listed here

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Electric Traction
Specific energy consumption becomes

Less if distance between stops is more
More on steeper gradient
More with high train resistance
All of the listed here

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