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Electric Traction
The efficiency of diesel locomotives is nearly
60 to 70 percent
45 to 55 percent
30 to 40 percent
20 to 25 percent
60 to 70 percent
45 to 55 percent
30 to 40 percent
20 to 25 percent
Answer
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Related Question
Electric Traction
An ideal traction system should have
Equipment capable of withstanding large temporary loads
Easy speed control
All of the listed here
High starting tractive effort
Equipment capable of withstanding large temporary loads
Easy speed control
All of the listed here
High starting tractive effort
Answer
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Electric Traction
For 25 kV single phase system power supply frequency is
50 Hz
100 Hz
60 Hz
25 Hz
50 Hz
100 Hz
60 Hz
25 Hz
Answer
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Electric Traction
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?
All of the listed here
Reduced current method
Series parallel operation of motors
Tap changing control of transformer
All of the listed here
Reduced current method
Series parallel operation of motors
Tap changing control of transformer
Answer
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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
1940-1942
1935 - 1938
1920-1925
1925 - 1932
1940-1942
1935 - 1938
1920-1925
Answer
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Electric Traction
Coefficient of adhesion is
All of the listed here
Low in case of D.C. traction than in the case of AC. traction
Equal in both AC. and D.C. traction
High in case of D.C. traction than in the case of AC. traction
All of the listed here
Low in case of D.C. traction than in the case of AC. traction
Equal in both AC. and D.C. traction
High in case of D.C. traction than in the case of AC. traction
Answer
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