Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Half Double Unchanged One fourth Half Double Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators Iron and friction losses of an alternator can be measured by a Transformer Dc motor None of the listed here Rectifier Transformer Dc motor None of the listed here Rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Salient pole rotors Either cylindrical or salient None of the listed here Cylindrical rotors Salient pole rotors Either cylindrical or salient None of the listed here Cylindrical rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on None of the listed here Rotative speed only Both rotative speed and number of poles Number of poles only None of the listed here Rotative speed only Both rotative speed and number of poles Number of poles only ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam engine Steam turbine Diesel engine Gas turbine Steam engine Steam turbine Diesel engine Gas turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS