DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? All of these Starting torque Full-load current Operating speed All of these Starting torque Full-load current Operating speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Slip rings Commutator Armature winding Field winding Slip rings Commutator Armature winding Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Series motor Shunt motor Battery operated motor Air motor Series motor Shunt motor Battery operated motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Aids the applied voltage Opposes the applied voltage None of the listed here Aids the armature current Aids the applied voltage Opposes the applied voltage None of the listed here Aids the armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt, compound and series motors Shunt motors All D.C. motors Shunt as well as compound motors Shunt, compound and series motors Shunt motors All D.C. motors Shunt as well as compound motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Full load Rated voltage All of these Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP
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