Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would remain unchanged be less than 10% be 12.5% be more than 10% remain unchanged be less than 10% be 12.5% be more than 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage supply voltage and load supply voltage, frequency and load supply voltage and frequency supply voltage supply voltage and load supply voltage, frequency and load supply voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under leading pole tip. pole core. under trailing pole tip. under the interpole. under leading pole tip. pole core. under trailing pole tip. under the interpole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon load current both 2 and 3 supply frequency maximum flux density load current both 2 and 3 supply frequency maximum flux density ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Inter pole winding will act in interpolar region. Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. Compensating winding will act under the pole. None of these Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase power factor. starting torque. cost of operation. breaking torque. power factor. starting torque. cost of operation. breaking torque. ANSWER DOWNLOAD EXAMIANS APP
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