Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 212 rad/s 192 rad/s 157 rad/s 118 rad/s 212 rad/s 192 rad/s 157 rad/s 118 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 1500 rpm 1000 rpm 500 rpm 3000 rpm 1500 rpm 1000 rpm 500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 120 Hz 60 Hz 50 Hz None of the listed here 120 Hz 60 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ None of the listed here Pf becomes more leading Output kW will change Pf becomes more lagging None of the listed here Pf becomes more leading Output kW will change Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Forged steel Manganese steel Laminated stainless steel Cast iron Forged steel Manganese steel Laminated stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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