Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 1000 rpm 900 rpm 850 rpm 950 rpm 1000 rpm 900 rpm 850 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 4. 8. 32. 16. 4. 8. 32. 16. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer the magnetic coupling between the primary and secondary winding can be increased by increasing the number of turns. using the magnetic core of low reluctance. using soft material for winding. using transformer oil of better quality. increasing the number of turns. using the magnetic core of low reluctance. using soft material for winding. using transformer oil of better quality. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Zero. Very low. Very high. Normal. Zero. Very low. Very high. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The crawling in the induction motor is caused by high loads improper design of stator laminations low voltage supply harmonics developed in the motor high loads improper design of stator laminations low voltage supply harmonics developed in the motor ANSWER DOWNLOAD EXAMIANS APP
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