DC Motors Which method of braking is generally used in elevators? Regenerative braking Plugging None of these Rheostat braking Regenerative braking Plugging None of these Rheostat braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Full load Rated voltage All of these Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque Variable speed High starting torque Frequent on-off cycles Low starting torque Variable speed High starting torque Frequent on-off cycles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to None of these field flux only both (A) and (B) armature current only None of these field flux only both (A) and (B) armature current only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Armature rotor Commutator Armature conductors Yoke Armature rotor Commutator Armature conductors Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Field test Swinburne's test Brake test Hopkinson's test Field test Swinburne's test Brake test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
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