Electrical Machines Type of single phase motor having highest power factor at full load is capacitor run. split phase. capacitor start. shaded pole type. capacitor run. split phase. capacitor start. shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to interconnect three voltage systems. None of these to carry extra load. to suppress harmonic and unbalance in voltage. to interconnect three voltage systems. None of these to carry extra load. to suppress harmonic and unbalance in voltage. 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 None of these generator 2 gets over load 200 MW and 400MW generator 1 gets over load None of these generator 2 gets over load 200 MW and 400MW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Star - delta Delta - star Star - star Delta - delta Star - delta Delta - star Star - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical load on it because otherwise it will develop excessive speed and damage itself. draw too much current. produce sparking at brushes. open fuse or circuit breaker. develop excessive speed and damage itself. draw too much current. produce sparking at brushes. open fuse or circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by speed can not be increased. increasing of frequency. increasing number of poles. decreasing of frequency. speed can not be increased. increasing of frequency. increasing number of poles. decreasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
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