Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. maximum. constant. variable. minimum. maximum. constant. variable. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 40 A. 440 A. 400 A. 44 A. 40 A. 440 A. 400 A. 44 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Capacitor run. Shaded pole. Split phase. Capacitor start. Capacitor run. Shaded pole. Split phase. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause heating of rotor. All of these double frequency currents in the rotor. vibrations. heating of rotor. All of these double frequency currents in the rotor. vibrations. 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 axis. Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetic neutral armature co-ordinate. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be less than 10% be 12.5% be more than 10% remain unchanged be less than 10% be 12.5% be more than 10% remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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