Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is lagging zero leading unity lagging zero leading unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be heavily loaded and over excited lightly loaded and over excited heavily loaded and underexcited lightly loaded and underecited heavily loaded and over excited lightly loaded and over excited heavily loaded and underexcited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. six. four. two. three. six. four. two. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for constant speed operation. high starting torque operation. none of these. low starting torque operation. constant speed operation. high starting torque operation. none of these. low starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because induction motor will become synchronous motor. none of above. air friction will prevent it. rotor torque will not be produced. induction motor will become synchronous motor. none of above. air friction will prevent it. rotor torque will not be produced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is less than normal speed. zero. normal speed. more than normal speed. less than normal speed. zero. normal speed. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS