DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed Zero Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thyristor Transistor Thermistor Thyratron Thyristor Transistor Thermistor Thyratron ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Machine shops Electric traction Pumping sets Air compressors Machine shops Electric traction Pumping sets Air compressors ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Armature conductors Armature rotor Commutator Yoke Armature conductors Armature rotor Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed None of these A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It starts the motor It limits the starting current to a safe value It limits the speed of the motor None of the listed here It starts the motor It limits the starting current to a safe value It limits the speed of the motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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