DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Slip rings Armature winding Field winding Commutator Slip rings Armature winding Field winding Commutator 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 Brake test Swinburne's test Hopkinson's test Field test Brake test Swinburne's test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Lathes Cranes Pump Punch presses Lathes Cranes Pump Punch presses ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Remains same Become zero Increase Decrease Remains same Become zero Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Anywhere between 75% and 90% Less than 50% 1 Around 90% Anywhere between 75% and 90% Less than 50% 1 Around 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP