Electrical Machines Regenerative braking is not found in which motor? DC series. DC shunt. Induction motor. DC compound. DC series. DC shunt. Induction motor. DC compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce armature reaction. dissipate more heat. reduce pulsation loss. reduce iron weight. reduce armature reaction. dissipate more heat. reduce pulsation loss. reduce iron weight. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Ward-Leonard control. Field control. Multiple voltage control. Armature control. Ward-Leonard control. Field control. Multiple voltage control. Armature control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on Z. P and Z. none of these. P. Z. P and Z. none of these. P. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 4 pole. 2 pole. 6 pole. 8 pole. 4 pole. 2 pole. 6 pole. 8 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) remain the same as the original changes to 1.5 times the original value changes to 0.5 times the original value changes to three times the original value remain the same as the original changes to 1.5 times the original value changes to 0.5 times the original value changes to three times the original value ANSWER DOWNLOAD EXAMIANS APP