Electrical Machines Flux density under trailing pole tips in case of generator will decrease None of these either increase or decrease increase decrease None of these either increase or decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? None of these Low short circuit current Good voltage regulation High voltage regulation None of these Low short circuit current Good voltage regulation High voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S 1/S S 1/(1-S) 1-S 1/S S 1/(1-S) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a induction motor helps to reduce the chance of crawling. increase the starting torque. reduce the magnetizing current. reduce the chance of cogging. reduce the chance of crawling. increase the starting torque. reduce the magnetizing current. reduce the chance of cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? series generators both B and C over compound generator shunt generator series generators both B and C over compound generator shunt generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 40W 60W 80W 100W 40W 60W 80W 100W ANSWER DOWNLOAD EXAMIANS APP
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