DC Motors Small dc motors up to 5 HP usually have 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles 8 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Brake test Swinburne's test Field's test Hopkinson's test Brake test Swinburne's test Field's test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine None of the listed here To reduce armature reaction To control the speed of machine To improve commutation None of the listed here To reduce armature reaction To control the speed of machine To improve commutation ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Shunt Series Cummulative compounded Differentially compounded Shunt Series Cummulative compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Normal speed Loss than the normal speed More than the normal speed Zero Normal speed Loss than the normal speed More than the normal speed Zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Also runs as a motor comes to stop after sometime Runs as a generator None of these Does not run as a generator Also runs as a motor comes to stop after sometime Runs as a generator None of these Does not run as a generator ANSWER DOWNLOAD EXAMIANS APP