Electrical Machines What is the phase difference between two windings of A.C servomotor ? 30°. 60°. 90°. 120°. 30°. 60°. 90°. 120°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 48 Hz 50 Hz 45 HZ 48.5 Hz 48 Hz 50 Hz 45 HZ 48.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam must be exactly equal to people pitch. may or may not be exactly equal to people pitch. can never be equal to pole pitch. none of above. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. can never be equal to pole pitch. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 4. 2. 1. 8. 4. 2. 1. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine direct axis reactance and quadrature axis reactance slip All of these positive sequence reactance and negative sequence reactance direct axis reactance and quadrature axis reactance slip All of these positive sequence reactance and negative sequence reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? None of these either of these exactly opposite same None of these either of these exactly opposite same ANSWER DOWNLOAD EXAMIANS APP