Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Series parallel operation of motors Tap changing control of transformer Reduced current method All of the listed here Series parallel operation of motors Tap changing control of transformer Reduced current method All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotive having mono-motor bogies Has better coefficient of adhesion Are suited both for passenger as well as freight service Has better riding qualities due to the reduction of lateral forces All of the listed here Has better coefficient of adhesion Are suited both for passenger as well as freight service Has better riding qualities due to the reduction of lateral forces All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to speed (speed)3 1/speed (speed)2 speed (speed)3 1/speed (speed)2 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Vacuum is created by which of the following? None of the listed here Ejector Any of the listed here Vacuum pump None of the listed here Ejector Any of the listed here Vacuum pump ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Energy consumption in propelling the train is required for which of the following? Work against gravity while moving up the gradient All of the listed here Acceleration Work against the resistance to motion Work against gravity while moving up the gradient All of the listed here Acceleration Work against the resistance to motion ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is an advantage of electric traction over other methods of traction? Better braking action No pollution problems All of the listed here Faster acceleration Better braking action No pollution problems All of the listed here Faster acceleration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS