Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S 1/(1-S) 1-S S 1/S 1/(1-S) 1-S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has only shunt field winding. both shunt and series field winding. tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. tertiary winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to limit the starting current to a safer value. all of above. provide protection against Low-Voltage. provide overload protection. limit the starting current to a safer value. all of above. provide protection against Low-Voltage. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field system of an alternator is usually excited 230 V AC. 110 / 220 V AC. 3 - Φ, 50 Hz and 400 V. 250 / 250 V DC. 230 V AC. 110 / 220 V AC. 3 - Φ, 50 Hz and 400 V. 250 / 250 V DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? Compounded DC generator. DC series generator. None of these. DC shunt generator. Compounded DC generator. DC series generator. None of these. DC shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region increases with increase in the load torque. remains constant. decreases with decrease in the load torque. decreases with increase in the load torque. increases with increase in the load torque. remains constant. decreases with decrease in the load torque. decreases with increase in the load torque. ANSWER DOWNLOAD EXAMIANS APP