Electric Traction Series motor is not suited for traction duty due to which of the following account? Commutating property at heavy load Less current drain on the heavy load torque Current surges after temporary switching off supply Self relieving property Commutating property at heavy load Less current drain on the heavy load torque Current surges after temporary switching off supply Self relieving property ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems on the locomotives is costly? Regenerative braking on electric locomotives All braking systems are equally costly Vacuum braking on steam locomotives Vacuum braking on diesel locomotives Regenerative braking on electric locomotives All braking systems are equally costly Vacuum braking on steam locomotives Vacuum braking on diesel locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For 25 kV single phase system power supply frequency is 60 Hz 100 Hz 25 Hz 50 Hz 60 Hz 100 Hz 25 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The normal value of adhesion friction is 0.30 0.35 0.50 0.25 0.30 0.35 0.50 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotive having mono-motor bogies Has better coefficient of adhesion Has better riding qualities due to the reduction of lateral forces Are suited both for passenger as well as freight service All of the listed here Has better coefficient of adhesion Has better riding qualities due to the reduction of lateral forces Are suited both for passenger as well as freight service All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The value of coefficient of adhesion will be high when rails are Cleaned with sand Sprayed with oil Greased Wet Cleaned with sand Sprayed with oil Greased Wet ANSWER DOWNLOAD EXAMIANS APP
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