Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 200 V. 230 V. 460 V. 115 V. 200 V. 230 V. 460 V. 115 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f² V f V² f² V f V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a three phase induction motor has an impedance of 0.4 + j4 ohm per phase at standstill the maximum torque occurs at a slip of _____________. 50 %. 10 %. 25 %. 15 %. 50 %. 10 %. 25 %. 15 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 2 0 1 3 or 4 2 0 1 3 or 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Synchronous motor. DC series motor. Shunt motor. Separately compound motor. Synchronous motor. DC series motor. Shunt motor. Separately compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral armature co-ordinate. Magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
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