Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V f² f V² V f² f V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start motor Capacitor start capacitor run motor Resistance split phase motor All of these Capacitor start motor Capacitor start capacitor run motor Resistance split phase motor All of these ANSWER DOWNLOAD EXAMIANS APP
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 more than 10% be less than 10% be 12.5% remain unchanged be more than 10% be less than 10% be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? below rated speed None of these above rated speed both A and B below rated speed None of these above rated speed both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Differently compounded. Cummulative compound. Series. Shunt. Differently compounded. Cummulative compound. Series. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a convection machine. conduction machine. both are correct. none of above are correct. convection machine. conduction machine. both are correct. none of above are correct. ANSWER DOWNLOAD EXAMIANS APP