Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. ohmic loss. both eddy current and hysteresis loss. hysteresis loss. eddy current loss. ohmic loss. both eddy current and hysteresis loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of low horse power motor. single phase induction motor. high torque motor. high speed motor. low horse power motor. single phase induction motor. high torque motor. high speed motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements about commutating poles which are fitted on most large dc Shunt motors: 1. The commutating poles are placed in the geometric neutral plane and their number is usually Equal to the number of main poles 2. The winding on the commutating poles is connected in series with the shunt-field winding on the main poles 3. The polarity of the commutating pole must be that of the next pole further ahead 4. The commutating poles neutralize the reactance voltage produced in the coil undergoing Commutation. Of these statements, 1, 2 and 3 are correct 1 and 4 are correct 1, 2 and 4 are correct 2, 3 and 4 are correct 1, 2 and 3 are correct 1 and 4 are correct 1, 2 and 4 are correct 2, 3 and 4 are correct ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be triangular wave. pulsed wave. square wave. sine wave. triangular wave. pulsed wave. square wave. sine wave. ANSWER DOWNLOAD EXAMIANS APP