Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of Greater than 90° 0° less than 90° 90° Greater than 90° 0° less than 90° 90° 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 To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them just behind the magnetic neutral axis. in magnetic neutral axis. None of these just ahead of magnetic neutral axis. just behind the magnetic neutral axis. in magnetic neutral axis. None of these just ahead of magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? flat tapped or trapezoidal triangular saddle shape peaky in nature flat tapped or trapezoidal triangular saddle shape peaky in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC series motor. DC compound motor. DC Shunt motor. DC shunt and level Compound motor. DC series motor. DC compound motor. DC Shunt motor. DC shunt and level Compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. ANSWER DOWNLOAD EXAMIANS APP
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