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Electric Traction

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

3 m
6 m
15 m
10 m

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Electric Traction
In case of steam engines the steam pressure is

25 to 35 kgf/cm²
5 to 8 kgf/cm²
1 to 4 kgf/cm²
10 to 15 kgf/cm²

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Electric Traction
Which of the following is an advantage of electric traction over other methods of traction?

All of the listed here
Faster acceleration
No pollution problems
Better braking action

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Electric Traction
Which of the following happens in Kando system?

Three phase A.C. is converted into D.C.
Single phase supply is converted into three phase system
None of the listed here
Single phase A.C. is converted into D.C.

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Electric Traction
If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?

0.26
0.35
0.46
0.16

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Electric Traction
In India, electrification of railway track was done for the first time in which of the following years?

1925 - 1932
1935 - 1938
1940-1942
1920-1925

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