Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is 1.92 -0.08 -1.92 0.08 1.92 -0.08 -1.92 0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Increases. None of above. Remains unchanged. Decreases. Increases. None of above. Remains unchanged. Decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called skewing. slip. crawling. cogging. skewing. slip. crawling. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Radiator. Commutator. Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. 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 In a seperately excited DC Motor if field current is increased, it will Increase speed Reduce starting torque. Reduce armature heating. Increase acceleration duration. Increase speed Reduce starting torque. Reduce armature heating. Increase acceleration duration. ANSWER DOWNLOAD EXAMIANS APP
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