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 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% 1 Around 90% Less than 50% Anywhere between 75% and 90% 1 Around 90% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
DC Motors The most suitable motor for elevators is the ____ motor. Cummulative compounded Differentially compuonded Series Shunt Cummulative compounded Differentially compuonded Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when Load is removed The field is opened The armature circuit is opened. The load is increase Load is removed The field is opened The armature circuit is opened. The load is increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half Twice One-third None of the listed here Half Twice One-third None of the listed here ANSWER DOWNLOAD EXAMIANS APP