Solved question paper for EME Dec-2010 (B-TECH 1st-2nd)

Solved Question Paper

Elements of mechanical engineering Dec-2010

PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2010

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. How is the property of system classified?
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  2. What do we understand by energy in Transit?
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  3. Differentiate between the adiabatic and polytropic process.
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  4. Why C_p is greater than C_v?
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  5. What are the assumptions for steady flow process?
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  6. Sketch the Carnot cycle on p-V and T:S diagram.
    Long Answer 2 Marks Dec-2010 • PTU B-TECH
  7. Define the mean effective pressure for Reciprocating engine.
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  8. State the law of lifting of machine.
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  9. What is kinematic link.
    Short Answer 2 Marks Dec-2010 • PTU B-TECH
  10. Sketch a Stress-Strain for ductile and brittle materials and show the salient point on it.
    Long Answer 2 Marks Dec-2010 • PTU B-TECH
  11. Define and explain the Zeroth law of thermodynamics. Why is it so called.
    Long Answer Dec-2010 • PTU B-TECH
  12. A non flow reversible process occurs for which pressure and volume are correlated by the expression PV=150, where V is the volume in m3 and p is the pressure in bar. Make calculations for the work done on or by the system as pressure increases from 10 bar to 100 bar. Indicate the nature of process, whether expansion or compression.
    Long Answer Dec-2010 • PTU B-TECH
  13. How are the state parameters P, V and T related in a polytropic process? What are the values of polytropic exponent for isochoric, isothermal and adiabatic process.
    Long Answer Dec-2010 • PTU B-TECH
  14. Show that the internal energy is a property of the system.
    Long Answer Dec-2010 • PTU B-TECH
  15. The gas leaving the turbine jet engine flows steadily into the jet pipe with enthalpy 960 kJ/kg and velocity 250 m/s relative to the pipe. The exit from the pipe is at enthalpy 1000 kJ/kg, and the exhaust is in line with intake. Neglecting heat loss from the system, determine the relative velocity of gas leaving the pipe.
    Long Answer Dec-2010 • PTU B-TECH
  16. Explain the establishment of thermodynamic temperature scale. Why is thermodynamic temperature scale called the absolute temperature scale.
    Long Answer Dec-2010 • PTU B-TECH
  17. Derive an expression for the air standard efficiency and mean effective pressure of an Otto cycle. State the assumptions made.
    Long Answer Dec-2010 • PTU B-TECH
  18. Discuss briefly the working of a 4 stroke diesel engine.
    Long Answer Dec-2010 • PTU B-TECH
  19. Make a labelled sketch of Oldham coupling?
    Long Answer Dec-2010 • PTU B-TECH
  20. Discuss the various inversion of double slider crank chain mechanism.
    Long Answer Dec-2010 • PTU B-TECH
  21. An unknown weight falls 4 cm on to a collar rigidly attached to the lower end of a vertical bar 4 m long and 8 cm2 in section. If the maximum instantaneous extension is found to be 0.42 cm. Find the corresponding stress and the value of unknown weight E = 200 kN/mm2.
    Long Answer Dec-2010 • 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.