DC Motors Three point starter can be used for Shunt motor only Compound motor only Series motor only Both shunt and compound motor Shunt motor only Compound motor only Series motor only Both shunt and compound motor 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
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Does not run as a generator Runs as a generator None of these Also runs as a motor comes to stop after sometime Does not run as a generator Runs as a generator None of these Also runs as a motor comes to stop after sometime ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Mutually induced e.m.f. None of these Back e.m.f. Self-induced e.m.f. Mutually induced e.m.f. None of these Back e.m.f. Self-induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the None of the listed here Smallest torque braking Highest torque braking Zero torque braking None of the listed here Smallest torque braking Highest torque braking Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Dirt on the commutator Worn bearings Misaligment of machine Loose coupling Dirt on the commutator Worn bearings Misaligment of machine Loose coupling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS