Solved question paper for EME May-2015 (B-TECH 1st-2nd)

Solved Question Paper

Elements of mechanical engineering May-2015

PTU • B-TECH • Information Technology • 1st-2nd • May-2015

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. What are open and closed systems?
    Short Answer 2 Marks May-2015 • PTU B-TECH
  2. Name the few extrinsic properties.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  3. Define enthalpy.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  4. Write the SFEE for centrifugal pump.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  5. Draw the PV diagram for adiabatic process.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  6. Draw the TS diagram for Otto cycle.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  7. Define link.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  8. What is velocity ratio?
    Short Answer 2 Marks May-2015 • PTU B-TECH
  9. Define poisson's ratio.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  10. Define modulus of rigidity.
    Short Answer 2 Marks May-2015 • PTU B-TECH
  11. Define and explain the Zeroth law of thermodynamics.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  12. Differentiate between heat engine, heat pump and refrigerator.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  13. In air compressor air enters at 1.013 bar and 27 degree centigrade having volume 5.0 m3/kg and it is compressed to 12 bar isothermally. Determine work done, heat transfer and change in internal energy.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  14. State Kelvin-Planck and Claussius statements of second law of thermodynamics? Also show equivalence between them.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  15. What is Carnot Theorem? Describe Claussius inequality concept with the help of Carnot theorem.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  16. Derive the efficiency equation for Diesel cycle.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  17. An engine working on Otto cycle has the following conditions: Pressure at the beginning of compression =1 × 10^5 N/m^2 Pressure at the end of compression = 10 bar. Calculate the air standard efficiency of the engine, Take y = 1.4
    Long Answer 8 Marks May-2015 • PTU B-TECH
  18. Draw and explain the stress-strain diagram for mild steel? Also describe how it is different from brittle materials.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  19. A circular rod of 200mm diameter and length 350mm subjected to an axial compressive load of 280kN resulted in an increase of diameter by 0.125mm and a decrease in length by 0.30mm. Calculate the value of Poisson's ratio and Young's modulus of elasticity.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  20. Differentiate between machine and structure.
    Long Answer 8 Marks May-2015 • PTU B-TECH
  21. Describe with neat sketch the working of an Elliptical Trammel.
    Long Answer 8 Marks May-2015 • 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.