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

Solved Question Paper

Elements of mechanical engineering Dec-2017

PTU • B-TECH • Mechanical Engineering • 1st-2nd • Dec-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. Define Isobaric process and draw its PV diagram.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  2. Differentiate between thermodynamic state and process.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  3. Write similarities between heat and work.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  4. State the third law of thermodynamics.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  5. Apply steady flow energy equation to a centrifugal pump.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  6. Write the governing equation for isentropic process.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  7. Explain any two industrial applications of ceramics.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  8. Identify any 2 merits of two stroke engine over four stroke engine.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  9. Define moment of inertia.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  10. Locate the position of centroid of an H-section.
    Short Answer 2 Marks Dec-2017 • PTU B-TECH
  11. Explain the terms state, path, process and cycle.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  12. A 0.75 kW motor drives a paddle which stirs for an hour 50 kg of water contained in a thermally insulated rigid tank. Assuming the process to be at constant volume, determine rise in temperature and change in internal energy of water. Take c for water = 4.186 kJ/kg K.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  13. Determine the power required to drive a pump which raises the water pressure from 1 bar to 25 bar at exit and delivers 2000 kg/hr of water. Neglect changes in volume, elevation and velocity. Assume specific volume of water to be 0.001045 m3/kg.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  14. State second law of thermodynamics. Prove the equivalence of Kelvin-Planck statement and Clausius statement of second law of thermodynamics.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  15. An engine is working on OTTO cycle. The pressure and temperature at the beginning of compression stroke are 1 bar and 300 K and the temperature at the end of compression stroke is 600 K. If the temperature at the end of constant volume heat addition process is 1800 K, calculate the air standard efficiency, heat addition per kg of air and heat rejected per kg of air. Assume γ = 1.4, Cv = 0.751 J/kg K.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  16. Explain any five properties of engineering materials.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  17. What are various kinds of composite materials? State their industrial applications.
    Long Answer 8 Marks Dec-2017 • PTU B-TECH
  18. Write short note on Theorem of Perpendicular Axis.
    Short Answer 4 Marks Dec-2017 • PTU B-TECH
  19. Write short note on Organic and Inorganic materials.
    Short Answer 4 Marks Dec-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.