Electrical Machines Skewing of cage rotors offers the following advantages uniform torque. locking tendency is reduced. all of below. less noise. uniform torque. locking tendency is reduced. all of below. less noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is R = S.X 0.707 lagging zero 0.5 lagging unity R = S.X 0.707 lagging zero 0.5 lagging unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1080 1200 1203 1000 1080 1200 1203 1000 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on rotating magnetic field. either of these. None of these stationary magnetic field. rotating magnetic field. either of these. None of these stationary magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slot wedges in a dc machine is made up of mild steel. fibre. silicon steel. cast iron. mild steel. fibre. silicon steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would decrease. None of above. increase. not change. decrease. None of above. increase. not change. ANSWER DOWNLOAD EXAMIANS APP