Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V² f V f² V² f V f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is employed in DC machine of high current and low voltage rating. low current and low voltage rating. low current and high voltage rating. high current and low voltage rating. high current and low voltage rating. low current and low voltage rating. low current and high voltage rating. high current and low voltage rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 66.67 MW and 33.33 MW respectively any of the above 50 MW and 50 MW respectively 33.33 MW and 66.67 MW respectively 66.67 MW and 33.33 MW respectively any of the above 50 MW and 50 MW respectively 33.33 MW and 66.67 MW respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf of a DC machine has stepped distribution and rotates at the speed of armature. trapezoidal space distribution and is stationary in space. triangular space distribution and rotates at the speed of armature. triangular space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. trapezoidal space distribution and is stationary in space. triangular space distribution and rotates at the speed of armature. triangular space distribution and is stationary in space. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means neutralization of residual magnetism. creation of residual magnetism by a DC source. None of these increasing flux density by providing extra ampere-turns in field. neutralization of residual magnetism. creation of residual magnetism by a DC source. None of these increasing flux density by providing extra ampere-turns in field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Slip induction motor. Universal motor. Partial motor. DC shunt motor. Slip induction motor. Universal motor. Partial motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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