Electrical Machines The output power of any electrical motor is taken from the Motor frame. Armature. Coupling mounted on the shaft. Field. Motor frame. Armature. Coupling mounted on the shaft. Field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is demagnetising. crossmagnetising. none of above. magnetising. demagnetising. crossmagnetising. none of above. magnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Increase in weight/KVA. Reduced iron loss. Reduced copper loss. Decrease in weight/KVA. Increase in weight/KVA. Reduced iron loss. Reduced copper loss. Decrease in weight/KVA. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies inversely as applied voltage directly as applied voltage None of these directly as square of applied voltage inversely as applied voltage directly as applied voltage None of these directly as square of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will get over heated. run normally. make noise. not run. get over heated. run normally. make noise. not run. ANSWER DOWNLOAD EXAMIANS APP
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