DC Motors Small dc motors up to 5 HP usually have 4 poles 2 poles 6 poles 8 poles 4 poles 2 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Armature rotor Commutator Armature conductors Yoke Armature rotor Commutator Armature conductors Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Frequent on-off cycles High starting torque Low starting torque Variable speed Frequent on-off cycles High starting torque Low starting torque Variable speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field control method Armature resistance control method Voltage control method Field divertor method Field control method Armature resistance control method Voltage control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only None of these both (A) and (B) field flux only armature current only None of these both (A) and (B) field flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Field winding Slip rings Armature winding Commutator Field winding Slip rings Armature winding Commutator ANSWER DOWNLOAD EXAMIANS APP
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