Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times greater than 10 to 100 times greater than 10 times smaller than 5 times smaller than 5 times greater than 10 to 100 times greater than 10 times smaller than 5 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as Smaller than None of the listed here Greater than The same as Smaller than None of the listed here Greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is identical to that of a ______ Dc generator 3-phase induction motor 1-phase induction motor Roserberg generator Dc generator 3-phase induction motor 1-phase induction motor Roserberg generator ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Cast iron Laminated stainless steel Forged steel Manganese steel Cast iron Laminated stainless steel Forged steel Manganese steel ANSWER DOWNLOAD EXAMIANS APP
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