Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. Highest speed of alternator is 500 rpm. 600 rpm. 3600 rpm. 3000 rpm. 500 rpm. 600 rpm. 3600 rpm. 3000 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant torque control constant power control constant current control constant voltage control constant torque control constant power control constant current control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/4Sa² PZL/ 4Sa PZL/4Sp² PZL/4S PZL/4Sa² PZL/ 4Sa PZL/4Sp² PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is reversed. none of these. increased. modified. reversed. none of these. increased. modified. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of constant speed. none of above. not suitable for rapidly changing loads. less expensive. constant speed. none of above. not suitable for rapidly changing loads. less expensive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In applied voltage is reduced in a dc shunt motor Full load speed. None of these. Full load torque. Full load current. Full load speed. None of these. Full load torque. Full load current. ANSWER DOWNLOAD EXAMIANS APP
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