Electrical Machines Scott connections are used for any of the above. three phase to two phase transformation. single phase to three phase transformation. three phase to single phase transformation. any of the above. three phase to two phase transformation. single phase to three phase transformation. three phase to single phase transformation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Series. Cummulative compound. Shunt. Differentical compound. Series. Cummulative compound. Shunt. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = P/2*ωm ωe = P*ωm ωe = ωm ωe = 2/P*ωm ωe = P/2*ωm ωe = P*ωm ωe = ωm ωe = 2/P*ωm 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? 60W 80W 40W 100W 60W 80W 40W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors. Calculate the back emf produced when it is running at a speed of 1500 rpm. 440 volt. 240 volt. 230 volt. 220 volt. 440 volt. 240 volt. 230 volt. 220 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on reactance both 1and 2 voltage load angle reactance both 1and 2 voltage load angle ANSWER DOWNLOAD EXAMIANS APP