Electric Traction The friction at the track is proportional to 1/(speed)² None of the listed here Speed 1/speed 1/(speed)² None of the listed here Speed 1/speed ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system 16 Hz 40 Hz None of the listed here 25 Hz 16 Hz 40 Hz None of the listed here 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Specific energy consumption becomes More with high train resistance Less if distance between stops is more All of the listed here More on steeper gradient More with high train resistance Less if distance between stops is more All of the listed here More on steeper gradient ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to (speed)2 speed (speed)3 1/speed (speed)2 speed (speed)3 1/speed ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Specific energy consumption is affected by which of the following factors? Retardation and acceleration values All of the listed here Distance between stops Gradient Retardation and acceleration values All of the listed here Distance between stops Gradient ANSWER DOWNLOAD EXAMIANS APP
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