Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. kept constant to certain value. increased. decreased. remains same. kept constant to certain value. increased. decreased. remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? DC shunt motors. Synchronous motor. Squirrel Cage induction motor. Either A or B. DC shunt motors. Synchronous motor. Squirrel Cage induction motor. Either A or B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of silicon steel. wrought iron. cast iron. cast steel. silicon steel. wrought iron. cast iron. cast steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be 240 V 474 V 6 V 234 V 240 V 474 V 6 V 234 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as sinδ cos2δ cosδ sin2δ sinδ cos2δ cosδ sin2δ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? low current and high voltage low current and low voltage high current and low voltage high current and high voltage low current and high voltage low current and low voltage high current and low voltage high current and high voltage ANSWER DOWNLOAD EXAMIANS APP