Electrical Machines In which of the following, voltage regulation may be zero or negative leading power factor All of these unity power factor lagging power factor leading power factor All of these unity power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are preferred in lifts? None of these DC series motors. DC shunt motors. DC compound motors. None of these DC series motors. DC shunt motors. DC compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 1500 rpm 375 rpm 75 rpm 3000 rpm 1500 rpm 375 rpm 75 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded unshaded, unshaded shaded, shaded shaded, unshaded unshaded, shaded unshaded, unshaded shaded, shaded shaded, unshaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 1.5 %. 30 %. 2.67 %. 5 %. 1.5 %. 30 %. 2.67 %. 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 75 W 112.5 W 50 W 168.75 W 75 W 112.5 W 50 W 168.75 W ANSWER DOWNLOAD EXAMIANS APP
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