DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Dynamic braking None of these Regenerative Plugging Dynamic braking None of these Regenerative Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Normal speed More than the normal speed Zero Loss than the normal speed Normal speed More than the normal speed Zero Loss than the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is None of the listed here Less More The same None of the listed here Less More The same ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Armature divertor Voltage regulator Field divertor Potential divider Armature divertor Voltage regulator Field divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Around 90% Less than 50% Anywhere between 75% and 90% 1 Around 90% Less than 50% Anywhere between 75% and 90% 1 ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Hysteresis losses Copper losses Eddy current losses Windage losses Hysteresis losses Copper losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP