Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 2000W 1920W 1450W 1820W 2000W 1920W 1450W 1820W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type series generator. shunt generator. short - shunt generator. level compound. series generator. shunt generator. short - shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at None of these region under main pole. throughout the air gap. interpole region. None of these region under main pole. throughout the air gap. interpole region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Eddy current loss. Stray loss. Copper loss. Hysteresis loss. Eddy current loss. Stray loss. Copper loss. Hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 1600 Volt. 1500 Volt. 2000 Volt. 0 Volt. 1600 Volt. 1500 Volt. 2000 Volt. 0 Volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Induction motors DC Shunt Motor Synchronous motors Both Synchronous and Induction motor Induction motors DC Shunt Motor Synchronous motors Both Synchronous and Induction motor ANSWER DOWNLOAD EXAMIANS APP