Electrical Machines A 3 - Φ, 4 pole IM is supplied from a 50 Hz source. Calculate rotor frequency when rotor runs 600 rpm? 35 Hz. Can be determined. 30 Hz. 20 Hz. 35 Hz. Can be determined. 30 Hz. 20 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be 1.2 mWb. 2.7 mWb. 3.5 mWb. 1.4 mWb. 1.2 mWb. 2.7 mWb. 3.5 mWb. 1.4 mWb. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for high starting torque operation. none of these. constant speed operation. low starting torque operation. high starting torque operation. none of these. constant speed operation. low starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulation method is accurate ? American standard association method Synchronous impedance method ZPF method MMf method American standard association method Synchronous impedance method ZPF method MMf method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Eg vs load current Vt vs load current Vt vs Ia Eg vs Ia Eg vs load current Vt vs load current Vt vs Ia Eg vs Ia ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? None of these magnitude of load current both 1 and 2 power factor of load None of these magnitude of load current both 1 and 2 power factor of load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS