Electrical Machines In double cage induction motor, the inner cage offers high resistance and low reactance. high resistance and high reactance. low resistance and low reactance. low resistance and high reactance. high resistance and low reactance. high resistance and high reactance. low resistance and low reactance. low resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 43 Amp. 44.47 Amp. 33.33 Amp. 29 Amp. 43 Amp. 44.47 Amp. 33.33 Amp. 29 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Any of above. Shunt field resistance control. Armature resistance control. Armature voltage control. Any of above. Shunt field resistance control. Armature resistance control. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through commutator. slip rings. solid connection. none of above. commutator. slip rings. solid connection. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 220.4 volt. 120 volt. 218.5 volt. None of these. 220.4 volt. 120 volt. 218.5 volt. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Limit the flux. Avoid sparking. Limit the current. Limit the speed. Limit the flux. Avoid sparking. Limit the current. Limit the speed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS