Electrical Machines Which of the following machine will have maximum efficiency? DC motor. Induction motor. Electrical power generator. Electrical power transformer. DC motor. Induction motor. Electrical power generator. Electrical power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. silicon steel. aluminium. stainless steel. closed grained cast iron. silicon steel. aluminium. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 1 infinite value finite value 0 1 infinite value finite value 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/(1-S) S 1-S 1/S 1/(1-S) S 1-S 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Scott connections are used for three phase to two phase transformation. any of the above. single phase to three phase transformation. three phase to single phase transformation. three phase to two phase transformation. any of the above. single phase to three phase transformation. three phase to single phase transformation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator with a diameter of 50 cm rotating at 1000 rpm. For a brush width of 1.5 cm, find the time of commutation in ms. 0.443. 0.573. 0.512. 0.649. 0.443. 0.573. 0.512. 0.649. ANSWER DOWNLOAD EXAMIANS APP