Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is 0.08 -1.92 1.92 -0.08 0.08 -1.92 1.92 -0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of simple in construction. all of below. less maintenance. less cost. simple in construction. all of below. less maintenance. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be more than 10% be 12.5% be less than 10% remain unchanged be more than 10% be 12.5% be less than 10% remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of the rotor in a 3 - Φ squirrel cage induction motor reduces noise and pullout torque, but increase parasitic and starting torque. noise, parasitic and starting torque, but increase pull out torque. noise and parasitic torque, but increase starting and pull-out torque. noise, parasitic torque, starting torque and pull out torque. noise and pullout torque, but increase parasitic and starting torque. noise, parasitic and starting torque, but increase pull out torque. noise and parasitic torque, but increase starting and pull-out torque. noise, parasitic torque, starting torque and pull out torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is none of above. crossmagnetising. magnetising. demagnetising. none of above. crossmagnetising. magnetising. demagnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thin less and thick less and thin large and thick large and thin less and thick less and thin large and thick ANSWER DOWNLOAD EXAMIANS APP