Solved question paper for EM-2 May-2022 (DIPLOMA 5th)

Solved Question Paper

Electrical machines-2 May-2022

PSBTE • DIPLOMA • Electrical Engineering • 5th • May-2022

EM-2 is the Electrical Machines-2 subject for Punjab State Board of Technical Education Diploma in Engineering, Electrical Engineering, 5th semester students. On this page, students can find subject-wise previous year question papers and old papers that help with revision, repeated questions, and understanding the exam pattern for EM-2. It is useful when preparing for semester exams and reviewing important topics from past papers. BRpaper is not the official website of the university or board and only helps students access exam preparation material and previous year papers for this subject.

Solved Questions

Solved
  1. Define slip.
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  2. Define cogging.
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  3. Stator core of an induction motor is made of _______.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  4. Which motor is best suited for sewing machine?
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  5. Synchronous motors
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  6. The function of a starter is _______.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  7. Variable losses
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  8. Rotor efficiency
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  9. Three phase induction motor
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  10. The shape of the torque-slip curve of an induction motor is _______.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  11. Rotor impedance
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  12. Mechanical losses
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  13. Slip rings of phase wound induction motor are made of _______.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  14. Write two applications of hysteresis motor?
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  15. Which motor is best suited for domestic refrigerator?
    Very Short Answer 1 Marks May-2022 • PSBTE DIPLOMA
  16. Define slip. What is its importance in induction machines?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  17. Write applications of three phase induction motors?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  18. What is the principle of operation of universal motor?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  19. What are the various methods of speed control of three phase induction motors? Explain any one method in detail.
    Long Answer 5 Marks May-2022 • PSBTE DIPLOMA
  20. Give a list of advantages and disadvantages of 3-phase induction motors.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  21. Explain that basically a single phase induction motor is not a self starting motor.
    Long Answer 5 Marks May-2022 • PSBTE DIPLOMA
  22. Explain the working of a single phase series motor. Name two electrical gadgets where these motors are used.
    Long Answer 5 Marks May-2022 • PSBTE DIPLOMA
  23. What do you understand by cogging and crawling in three phase induction motor?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  24. Explain the construction and working of three phase induction motor with diagram.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  25. Explain in detail star-delta starter. Draw suitable diagram.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  26. Explain the working and construction of a single phase shaded pole motor?
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  27. Write a short note on the following: i) Reluctance motor ii) Hysteresis motor
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  28. Explain Capacitor start Capacitor run motor with diagram.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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01 What is EM-2 in PSBTE Diploma Electrical Engineering?

EM-2 is Electrical Machines-2, a 5th semester subject in the PSBTE Diploma in Engineering Electrical Engineering stream.

02 What can I find on this EM-2 subject page?

This page is meant to help students find EM-2 previous year question papers and old papers for exam practice and revision.

03 Do these EM-2 papers help with exam preparation?

Yes, previous year papers help students understand question trends, repeated topics, and the general exam pattern for the subject.

04 Are EM-2 question papers available as PDF?

The subject page is used to access available paper pages and question paper material, including PDF-style search intent where available.

05 Is BRpaper the official website for PSBTE?

No, BRpaper is not the official website of PSBTE or any board. It only helps students find previous year papers and study material.