DC Motors D.C. generators are normally designed for maximum efficiency around Full load All of these Rated r.p.m. Rated voltage Full load All of these Rated r.p.m. Rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. None of the listed here Low no load speed Constant speed High starting torque None of the listed here Low no load speed Constant speed High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Almost negligible Less than full-load current Rated full-load current More than full-load current Almost negligible Less than full-load current Rated full-load current More than full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 10 mm 2 mm 0.4 mm 6 mm 10 mm 2 mm 0.4 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive motor vibration is caused by Bent shaft Too much brush tension Open armature coil Worn bearings Bent shaft Too much brush tension Open armature coil Worn bearings ANSWER DOWNLOAD EXAMIANS APP