DC Motors If a dc motor is comnected across the AC supply it will Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed Run at lower speed Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed Run at lower speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Highest torque braking None of the listed here Zero torque braking Smallest torque braking Highest torque braking None of the listed here Zero torque braking Smallest torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Increase Remains same Become zero Decrease Increase Remains same Become zero Decrease ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. Constant speed Low no load speed High starting torque None of the listed here Constant speed Low no load speed High starting torque None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 2 mm 6 mm 0.4 mm 10 mm 2 mm 6 mm 0.4 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS