SurendraReddy_ElectricTeacher
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This is a public channel launched by Mr. Surendra Reddy. It is intended to post practice questions and answers on Electrical Machines subject. Call us: 9515694053 Visit: www.ohminstitute.com
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پستهای کانال
A 600 V DC shunt motor draws 50 A during maximum power condition. Calculate the armature resistance of this motor?
| 2 | Hi Students,
Can you help us understand the AEE exam data by answering the questions below?Your responses will help us analyze the exam better and, more importantly, help future aspirants prepare more effectively. Ur honest feedback will be very valuable. | 1 209 |
| 3 | My Dear AP AEE Aspirants ❤️
Tomorrow is not just another exam day. It is the day when all your hard work, sacrifices, sleepless nights, revisions and countless hours of preparation come together.
You have prepared enough. Now, trust yourself. 💪
Don’t think about what you couldn’t study.
Don’t worry about what others have prepared.
Don’t be afraid of the difficulty of the paper.
Just focus on one question at a time.
Read every question carefully. Manage your time wisely. Stay calm even if you face a few difficult questions. Remember — the exam is not about attempting everything; it is about making the right decisions under pressure.
You have come this far because you are capable of achieving this.
Tomorrow, walk into that examination hall with just one thought:
“I have prepared for this. I belong here. I am going to give my absolute best.” 🔥
Whatever happens, give the exam with confidence, patience and a calm mind.
I am extremely proud of each one of you. ❤️
Go and give it everything you've got.
Your AEE dream is worth fighting for! ⚡
ALL THE VERY BEST, MY DEAR STUDENTS! 💐
Believe in yourself. Believe in your preparation.
Let’s make tomorrow count! 🚀
Surendra Reddy
— OHM Institute | 1 316 |
| 4 | https://youtu.be/lFcpiYdlA9o?si=vaHCJOaLjgOIEMt- | 1 193 |
| 5 | At the starting stage of a cylindrical rotor synchronous motor, the rotor field winding is usually _ | 1 290 |
| 6 | The excitation emf of a synchronous motor is 1.5 PU when it is connected to an infinite bus-bar. The operating power factor of the motor is ZPF lagging. What is the value of power angle of this motor? (Neglect all losses). | 1 671 |
| 7 | https://www.youtube.com/live/h7aWBkkLNNw?si=yM9dxhuyhgJo41hy | 1 748 |
| 8 | https://www.youtube.com/live/mDJC8C_6lX4?si=HVuBT219QBdQ3xSL | 2 396 |
| 9 | The 3-phase Induction motor has a rotor emf/ph of 30 V and current of 60 A at a slip of 10%. It's rotor copper loss at this speed is 4320 W. Calculate the starting current of the rotor circuit? | 2 822 |
| 10 | https://ohminstitute.live/test-series/19-ap-aee-3-full-mock-tests-new-2026 | 2 483 |
| 11 | https://www.youtube.com/live/2b6QPhPAnAg?si=uZ6X1HwinxpVq8mQ | 2 307 |
| 12 | The Synchronous reactance of an alternator is dependent on which of the following.
1) field excitation
2) air-gap length 3) number of turns in armature winding The correct answer is | 2 380 |
| 13 | The no-load current through the tertiary delta connection of a star-star-denta, 1:1:1 ratio transformer is 5 amp. Now, a balanced 3-ph load of 10 amp, UPF is connected on the secondary star side. What would be the delta winding current? | 3 249 |
| 14 | The air-gap power in a 6-pole, 50 Hz induction motor is 40 kW and it's output power is 36 kW. Neglect rotational loss and calculate the torque developed (in N-m)? | 3 225 |
| 15 | What must be the turns ratio of a star-delta transformer to be connected with a 11 kV/33 kV delta-star transformer in parallel? | 3 171 |
| 16 | A synchronous motor operates at full load such that the synchronous reactance drop (IaXs) is equal to the terminal voltage per phase. If the (IaXs) drop is 30% less than the induced EMF, calculate the motor's power factor? | 6 718 |
| 17 | An alternator is connected to an infinite bus-bar and delivers rated power at 0.8 lag pf. To improve the power factor to unity, which of the following procedures will be used? | 2 752 |
| 18 | The starting current and torque of a 500 V DC shunt motor is 400 A, 500 N-m respectively. What would be the torque at a full-load speed of 300 rad/sec? | 2 840 |
| 19 | The speed of a 3-phase, SCIM, 50 Hz induction motor is 750 rpm at no-load. It's speed with full-load torque is 95% of no-load value. What would be the new speed of stator poles being changed to 6 by keeping the load torque constant? | 3 136 |
| 20 | A 100/200 V, 10 kVA transformer has a maximum regulation of 10% at full-load. This transformer offers zero regulation at 0.8 lead power factor. What would be the full-load copper loss of this transformer? | 2 917 |
