Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 3KW 0.5Kw 2KW 1.5KW 3KW 0.5Kw 2KW 1.5KW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply voltage supply frequency rotor resistance None of these supply voltage supply frequency rotor resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their rating. efficiency. percentage impedance. leakage reactance. rating. efficiency. percentage impedance. leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 2 pole. 6 pole. 8 pole. 4 pole. 2 pole. 6 pole. 8 pole. 4 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will increase either increase or decrease decrease None of these increase either increase or decrease decrease None of these ANSWER DOWNLOAD EXAMIANS APP