DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be More than full-load current Almost negligible Rated full-load current Less than full-load current More than full-load current Almost negligible Rated full-load current Less than full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 100% of the previous value 50% of the previous value 25% of the previous value 10% of the previous value 100% of the previous value 50% of the previous value 25% of the previous value 10% of the previous value 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? Swinburne's test Field test Hopkinson's test Brake test Swinburne's test Field test Hopkinson's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the field current increases By interpoles When the armature current increases When the armature current decreases When the field current increases By interpoles When the armature current increases When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is reversed in direction Motor is run at reduced speed Motor is run as a generator None of the listed here Motor is reversed in direction Motor is run at reduced speed Motor is run as a generator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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