Alternators In case of turbo-alternators the rotor is usually made of Cast iron Laminated stainless steel Manganese steel Forged steel Cast iron Laminated stainless steel Manganese steel Forged steel ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Salient pole rotors Either cylindrical or salient Cylindrical rotors None of the listed here Salient pole rotors Either cylindrical or salient Cylindrical rotors None of the listed here 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 lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading ANSWER DOWNLOAD EXAMIANS APP
Alternators Zero power factor method for alternator is generally used to determine Synchronous impedance of alternator Efficiency of alternator None of the listed here Voltage regulation of the alternator Synchronous impedance of alternator Efficiency of alternator None of the listed here Voltage regulation of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage drop in an alternator when under load is due to ______ Armature resistance Armatute reaction All of the listed here Armature reactance Armature resistance Armatute reaction All of the listed here Armature reactance ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. None of the listed here 8-pole 4-pole 2-pole None of the listed here 8-pole 4-pole 2-pole ANSWER DOWNLOAD EXAMIANS APP