Electrical Machines A shaded pole single phase induction motor can be used for personal computers as cooling fan wet grinders food mixers tape recorders personal computers as cooling fan wet grinders food mixers tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.62. 0.72. 0.25. 1.24. 0.62. 0.72. 0.25. 1.24. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S S 1/(1-S) 1-S 1/S S 1/(1-S) 1-S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Air core transformer as compared to iron core transformer, has more copper loss. no magnetic core loss. more magnetic core loss. less magnetic core loss. more copper loss. no magnetic core loss. more magnetic core loss. less magnetic core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1500. 1450. 1435. 1440. 1500. 1450. 1435. 1440. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The leakage reactance of a 3-phase alternator is determined by performing zero power factor and slip tests. open circuit and zero power factor tests. open circuit and short circuit tests. short circuit and slip tests. zero power factor and slip tests. open circuit and zero power factor tests. open circuit and short circuit tests. short circuit and slip tests. ANSWER DOWNLOAD EXAMIANS APP