Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? compensating winding pole stacking All of these pole chamfering compensating winding pole stacking All of these pole chamfering ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. has no relation. directly. none of these. inversely. has no relation. directly. none of these. inversely. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability both motors has same stability salient pole motor None of these cylindrical motor both motors has same stability salient pole motor None of these cylindrical motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a three phase induction motor has an impedance of 0.4 + j4 ohm per phase at standstill the maximum torque occurs at a slip of _____________. 15 %. 25 %. 10 %. 50 %. 15 %. 25 %. 10 %. 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is inversely proportional to √slip. directly proportional to slip. inversely proportional to slip. directly proportional to slip2. inversely proportional to √slip. directly proportional to slip. inversely proportional to slip. directly proportional to slip2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 1 finite value infinite value 0 1 finite value infinite value 0 ANSWER DOWNLOAD EXAMIANS APP
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