ACM 315333 Guessing Paper & IMP Question Bank: A.C. Machines Performance

Electrical Fifth Semester Guessing Paper & IMP Question Bank for A.C. Machines Performance ACM 315333 are given below.

These important questions are collected from previous exam papers and the new syllabus of A.C. Machines Performance.

ACM 315333 Guessing Paper MSBTE Winter 2025 Exam

Q.1: Attempt any FIVE of the following :

1. Three phase AC machines: classification
2. Synchronisation of alternators: definition, necessity and conditions
3. State why a 3-phase induction motor never runs at synchronous speed
4. Necessity of starters for three phase induction motors

Q.2: Attempt any THREE of the following :

1. Explain the working principle of three phase synchronous motor
2. Describe the given method(s) for slip measurement (tachometer/Stroboscope, and Galvanometer)
3. Comparison: turbo alternator and hydro alternator.

IMP Question Bank: A.C. Machines Performance

Chapter 1: Three Phase Induction Motors

1. Define Slip and Synchronous speed of 3 phase induction motor.
2. State working principle of three phase induction motor.
3. State the reason of Skewed rotor bars in 3phase squirrel cage Induction Motor.
4. Draw the torque slip characteristics of three phase induction motor.
5. State the Losses in Three Phase Induction Motor.

Chapter 2: Starting and Speed control of three phase induction motors

• State the Necessity of Starter.
• List the types of Starters.
• State applications of Three phase induction motor

ACM 315333 New Model Answer Papers : A.C. Machines Performance