Electrical Machines Compensating winding are used to rectify the flux density waveform at throughout the air gap. interpole region. None of these region under main pole. throughout the air gap. interpole region. None of these region under main pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator with a diameter of 50 cm rotating at 1000 rpm. For a brush width of 1.5 cm, find the time of commutation in ms. 0.573. 0.649. 0.512. 0.443. 0.573. 0.649. 0.512. 0.443. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 0 V. 60 V. 20 V. 40 V. 0 V. 60 V. 20 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical load on it because otherwise it will open fuse or circuit breaker. produce sparking at brushes. develop excessive speed and damage itself. draw too much current. open fuse or circuit breaker. produce sparking at brushes. develop excessive speed and damage itself. draw too much current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 200 - 250 W. 250 - 500 W. 10 - 20 W. 50 - 150 W. 200 - 250 W. 250 - 500 W. 10 - 20 W. 50 - 150 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? half load any of the above full load no load half load any of the above full load no load ANSWER DOWNLOAD EXAMIANS APP
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