Electrical Machines The output power of any electrical motor is taken from the Field. Motor frame. Armature. Coupling mounted on the shaft. Field. Motor frame. Armature. Coupling mounted on the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a polyphase induction motor helps to reduce the magnetizing current. reduce the chance of crawling. reduce the chance of cogging. increase the starting torque. reduce the magnetizing current. reduce the chance of crawling. reduce the chance of cogging. increase the starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? All of these Stator copper loss Rotational loss Stator core loss All of these Stator copper loss Rotational loss Stator core loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 205 V. 201.02 V. 212 V. 210 V. 205 V. 201.02 V. 212 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? shaded, shaded unshaded, shaded unshaded, unshaded shaded, unshaded shaded, shaded unshaded, shaded unshaded, unshaded shaded, unshaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods are used to control the speed of DC motors is All of these supply voltage control armature circuit resistance control field current control All of these supply voltage control armature circuit resistance control field current control ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS