Solved question paper for EME May-2008 (B-TECH 1st-2nd)

Solved Question Paper

Elements of mechanical engineering May-2008

PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2008

elements of mechanical engineering previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for elements of mechanical engineering, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for elements of mechanical engineering question bank while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

Solved Questions

Solved
  1. Explain thermodynamic system.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  2. What is zeroth law of thermodynamics?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  3. Define internal energy.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  4. What do you understand by closed system?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  5. What is isobaric process?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  6. What is the concept of heat pump?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  7. What do you mean by air standard cycles?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  8. Define mean effective pressure.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  9. What is the elastic limit?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  10. What is the use of oldham's coupling?
    Short Answer 2 Marks May-2008 • PTU B-TECH
  11. Differentiate between reversible and irreversible processes.
    Long Answer 8 Marks May-2008 • PTU B-TECH
  12. Define enthalpy, why does the enthalpy of an ideal gas depend only on temperature? Discuss.
    Long Answer 8 Marks May-2008 • PTU B-TECH
  13. 1 kg of air at 3.5 bar and occupying 0.35 m3 is heated at constant volume until its temperature has risen to 316°C. Find the initial temperature of air.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  14. 1 kg of air at 3.5 bar and occupying 0.35 m3 is heated at constant volume until its temperature has risen to 316°C. Find the final pressure of air.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  15. 1 kg of air at 3.5 bar and occupying 0.35 m3 is heated at constant volume until its temperature has risen to 316°C. Find the heat added.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  16. 1 kg of air at 3.5 bar and occupying 0.35 m3 is heated at constant volume until its temperature has risen to 316°C. Find the gain in internal energy per kg.
    Short Answer 2 Marks May-2008 • PTU B-TECH
  17. What is Carnot cycle? What are the four processes which constitute the cycle? Explain.
    Long Answer 8 Marks May-2008 • PTU B-TECH
  18. An air standard Otto cycle operates with a compression ratio of 8.5:1. At the beginning of the compression the air is at 1 bar and 32°C and during the heat addition process the pressure is tripled. Calculate the thermal efficiency of the cycle.
    Short Answer 4 Marks May-2008 • PTU B-TECH
  19. An air standard Otto cycle operates with a compression ratio of 8.5:1. At the beginning of the compression the air is at 1 bar and 32°C and during the heat addition process the pressure is tripled. Calculate the efficiency of the Carnot engine operating between the same overall temperature limits.
    Short Answer 4 Marks May-2008 • PTU B-TECH
  20. Explain longitudinal strain, Poission's ratio, yield point and bulk modulus.
    Long Answer 8 Marks May-2008 • PTU B-TECH
  21. Compare the Otto Diesel and Dual cycle.
    Long Answer 8 Marks May-2008 • PTU B-TECH
  22. Write notes on Differential wheel and axle.
    Short Answer 4 Marks May-2008 • PTU B-TECH
  23. Write notes on Lifting machines.
    Short Answer 4 Marks May-2008 • PTU B-TECH

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01 Where can I find elements of mechanical engineering previous year question papers for Bachelor of Technology, 1st-2nd semester?

This page lists elements of mechanical engineering question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year elements of mechanical engineering papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does elements of mechanical engineering usually cover?

The question papers here relate to the official elements of mechanical engineering syllabus set by the university for this course and semester.

05 Does this page include a elements of mechanical engineering question bank or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.