Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The rate of acceleration on suburban or urban service is in the range 0.2 to 0.5 km phps 15 to 25 km phps 1.6 to 4.0 km phps 5 to 10 km phps 0.2 to 0.5 km phps 15 to 25 km phps 1.6 to 4.0 km phps 5 to 10 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The normal value of adhesion friction is 0.35 0.30 0.25 0.50 0.35 0.30 0.25 0.50 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Overload capacity of diesel engines is usually restricted to 8 percent 4 percent 6 percent 2 percent 8 percent 4 percent 6 percent 2 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For given maximum axle load tractive efforts of AC. locomotive will be More than that of D.C. locomotive None of the listed here Less than that of D.C. locomotive Equal to that of D.C. locomotive More than that of D.C. locomotive None of the listed here Less than that of D.C. locomotive Equal to that of D.C. locomotive ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Sand on rails Both Dew on rails and Oil on the rails Dew on rails Oil on the rails Sand on rails Both Dew on rails and Oil on the rails Dew on rails Oil on the rails ANSWER DOWNLOAD EXAMIANS APP
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