DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 100% of the previous value 25% of the previous value 50% of the previous value 10% of the previous value 100% of the previous value 25% of the previous value 50% of the previous value 10% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Voltage control method Field divertor method Armature resistance control method Field control method Voltage control method Field divertor method Armature resistance control method Field control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at None of the listed here No load Half full load Full load None of the listed here No load Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Flux only Both flux and speed Speed only None of the listed here Flux only Both flux and speed Speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is None of these Self-induced e.m.f. Back e.m.f. Mutually induced e.m.f. None of these Self-induced e.m.f. Back e.m.f. Mutually induced e.m.f. 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