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 If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Of lower H.P. should be selected Can be used for 50°C ambient temperature also Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Of lower H.P. should be selected Can be used for 50°C ambient temperature also ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Centrifugal pumps Steel rolling mills Elevators Colliery winders Centrifugal pumps Steel rolling mills Elevators Colliery winders ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method Field control method 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 The variable resistor shunting the field of a dc series motor is called a Armature divertor Potential divider Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor ANSWER DOWNLOAD EXAMIANS APP
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