Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.7. 1. 0.54. 0.3. 0.7. 1. 0.54. 0.3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in speed. speed and voltage. voltage. load. speed. speed and voltage. voltage. load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of starting torque. efficiency. speed regulation. running torque. starting torque. efficiency. speed regulation. running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic neutral pole. Magnetic field neutral plane. Magnetic field neutral pole. Magnetic neutral plane. Magnetic neutral pole. Magnetic field neutral plane. Magnetic field neutral pole. Magnetic neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by changing the field excitation. varying the speed. varying the applied voltage. changing the load. changing the field excitation. varying the speed. varying the applied voltage. changing the load. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS