Solved question paper for EME May-2017 (B-TECH 1st-2nd)

Solved Question Paper

Elements of mechanical engineering May-2017

PTU • B-TECH • Civil Engineering • 1st-2nd • May-2017

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 is Equilibrium?
    Short Answer 2 Marks May-2017 • PTU B-TECH
  2. What are the different forms of energy? Name them.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  3. Draw the PV and TS diagrams for isobaric process.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  4. What are compressible and incompressible fluids?
    Short Answer 2 Marks May-2017 • PTU B-TECH
  5. What is adiabatic process?
    Short Answer 2 Marks May-2017 • PTU B-TECH
  6. Define stress and strain.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  7. Define entropy.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  8. Draw the PV and TS diagram of Diesel cycle.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  9. Define Weldability.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  10. Define Centroid.
    Short Answer 2 Marks May-2017 • PTU B-TECH
  11. In a gas turbine unit, the gases flow through the turbine is 20 kg/s and the power developed by the turbine is 16000 KW. The enthalpies of gases at the inlet and outlet are 1260 KJ/kg and 400 KJ/kg respectively, and the velocity of gases at the inlet and outlet are 50 m/s and 110 m/s respectively. Calculate the rate at which heat is rejected by the turbine.
    Long Answer May-2017 • PTU B-TECH
  12. In a gas turbine unit, the gases flow through the turbine is 20 kg/s and the power developed by the turbine is 16000 KW. The enthalpies of gases at the inlet and outlet are 1260 KJ/kg and 400 KJ/kg respectively, and the velocity of gases at the inlet and outlet are 50 m/s and 110 m/s respectively. Calculate the area of the inlet pipe if the specific volume of the gases at inlet is 0.40 m3/kg.
    Long Answer May-2017 • PTU B-TECH
  13. State and explain the Kelvin Planck and Claussis statement of second law of thermodynamics.
    Long Answer 8 Marks May-2017 • PTU B-TECH
  14. State and prove the Zeroth’s law of thermodynamics.
    Long Answer 8 Marks May-2017 • PTU B-TECH
  15. One kg of air enters a compressor at 10 5 Pa and 25°C having volume of 1.8 m3 and is compressed to 5 × 105 Pa isothermally determine the work done.
    Long Answer May-2017 • PTU B-TECH
  16. One kg of air enters a compressor at 10 5 Pa and 25°C having volume of 1.8 m3 and is compressed to 5 × 105 Pa isothermally determine the change in internal energy.
    Long Answer May-2017 • PTU B-TECH
  17. One kg of air enters a compressor at 10 5 Pa and 25°C having volume of 1.8 m3 and is compressed to 5 × 105 Pa isothermally determine the heat transferred.
    Long Answer May-2017 • PTU B-TECH
  18. Explain the working principle of Otto cycle with the help of PV and TS diagrams.
    Long Answer 8 Marks May-2017 • PTU B-TECH
  19. What are metals?
    Short Answer 8 Marks May-2017 • PTU B-TECH
  20. Explain the various mechanical properties of metals.
    Long Answer 8 Marks May-2017 • PTU B-TECH
  21. Differentiate between thermoplastics and thermosetting plastics.
    Short Answer 8 Marks May-2017 • PTU B-TECH
  22. State and explain the parallel axis theorem.
    Short Answer 8 Marks May-2017 • PTU B-TECH
  23. From a rectangular lamina ABCD in which AB = 60 cm and BC = 40 cm, a triangular piece OBC is removed such that CO = BO = 25 cm. Calculate the CG of the remainder.
    Long Answer 8 Marks May-2017 • PTU B-TECH
  24. 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 γ = 1.4.
    Long Answer 8 Marks May-2017 • 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.