Electrical Machines Slip test is performed to determine 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 direct axis reactance and quadrature axis reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is universal motor. reluctance motor. AC series motor. repulsion motor. universal motor. reluctance motor. AC series motor. repulsion motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? GNA None of these MNA either GNA or MNA GNA None of these MNA either GNA or MNA 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 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW? generator 1 gets over load generator 2 gets over load None of these 200 MW and 400MW generator 1 gets over load generator 2 gets over load None of these 200 MW and 400MW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as (NnL − NfL)/NfL. NnL/NfL. NnL − NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL/NfL. NnL − NfL. (NfL − NnL)/NnL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. increases remains unaffected decreases any of the above increases remains unaffected decreases any of the above ANSWER DOWNLOAD EXAMIANS APP