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 Tap changing control of transformer Series parallel operation of motors All of the listed here Reduced current method Tap changing control of transformer Series parallel operation of motors ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems is used on steam locomotives? Hydraulic system Vacuum system None of the listed here Pneumatic system Hydraulic system Vacuum system None of the listed here Pneumatic system ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Oil on the rails 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 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the voltage for single phase A.C. system? 220 v 220 V 5 kV 11 kV 220 v 220 V 5 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have Lot of skidding Low coefficient of adhesion Suitability for passenger as well as freight service Uneven distribution of tractive effect Lot of skidding Low coefficient of adhesion Suitability for passenger as well as freight service Uneven distribution of tractive effect ANSWER DOWNLOAD EXAMIANS APP
Electric Traction ________ have maximum unbalanced forces. Steam locomotives Electric locomotives Diesel locomotives All of the listed here Steam locomotives Electric locomotives Diesel locomotives All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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