Alternators In an alternator, the frequency of voltage generated depend on Rotative speed only Number of poles only Both rotative speed and number of poles None of the listed here Rotative speed only Number of poles only Both rotative speed and number of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Remians unchanged Decreases Increases None of the listed here Remians unchanged Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Manganese steel Cast iron Laminated stainless steel Forged steel Manganese steel Cast iron Laminated stainless steel Forged steel 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 Output kW will change Pf becomes more leading Pf becomes more lagging None of the listed here Output kW will change Pf becomes more leading Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. Less than About the same as None of the listed here More than Less than About the same as None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 4 8 12 2 4 8 12 2 ANSWER DOWNLOAD EXAMIANS APP
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