Electric Traction Series motor is not suited for traction duty due to which of the following account? Self relieving property Current surges after temporary switching off supply Less current drain on the heavy load torque Commutating property at heavy load Self relieving property Current surges after temporary switching off supply Less current drain on the heavy load torque Commutating property at heavy load ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of steam engines the steam pressure is 1 to 4 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 5 to 8 kgf/cm² 1 to 4 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 5 to 8 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems is used on steam locomotives? None of the listed here Hydraulic system Vacuum system Pneumatic system None of the listed here Hydraulic system Vacuum system Pneumatic system ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Methods can bring the locomotive to dead stop. Regenerative braking Rheostat braking Plugging braking None of the listed here Regenerative braking Rheostat braking Plugging braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The overall efficiency of steam locomotive is around 25 to 35 percent 15 to 20 percent 35 to 45 percent 5 to 10 percent 25 to 35 percent 15 to 20 percent 35 to 45 percent 5 to 10 percent 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 Pole changing Rheostat control Cascade control Combination of cascade and pole changing Pole changing Rheostat control Cascade control ANSWER DOWNLOAD EXAMIANS APP