Solved question paper for CHEMISTRY May-2018 (B-TECH 1st-2nd)

Solved Question Paper

Engineering chemistry May-2018

PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2018

engineering chemistry 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 engineering chemistry, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for engineering chemistry previous year question paper 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. Section A

    1. a) Define over-voltage. Discuss its significances or limitations
     

    Very Short Answer May-2018 • PTU B-TECH
  2. What are the differences between stable and metastable equilibrium?

    Very Short Answer May-2018 • PTU B-TECH
  3. Define chemical actinometer with example & different types.

    Very Short Answer May-2018 • PTU B-TECH
  4. Despite of the involvement of radiations & matter in both, what are the differences
    between spectroscopy and photochemistry?

    Very Short Answer May-2018 • PTU B-TECH
  5. Discuss spin-lattice relaxations. What is their significance?

    Very Short Answer May-2018 • PTU B-TECH
  6. What is metastable state?

    Very Short Answer May-2018 • PTU B-TECH
  7. Give the number of components, number of phases & number of degrees of freedom in
    Ammonium chloride vapour, partly dissociated into ammonia and HCl.

    Very Short Answer May-2018 • PTU B-TECH
  8. What are masers? How do they differ or relate to lasers?

    Very Short Answer May-2018 • PTU B-TECH
  9. What is the cell reaction occurring in Weston standard cell?

    Very Short Answer May-2018 • PTU B-TECH
  10. Define chemical shift and double resonance.

    Very Short Answer May-2018 • PTU B-TECH
  11. SECTION B

    2. Discuss in details various parameters determining quality of water. What should be the range of those parameters for water to be used for drinking and washing purposes?

    Short Answer May-2018 • PTU B-TECH
  12. Discuss in details the wet corrosion. Discuss various preventive measures for various types of corrosions.

    Short Answer May-2018 • PTU B-TECH
  13. Write a detailed note on chromatographic development and applications of chromatography.

    Short Answer May-2018 • PTU B-TECH
  14. Derive Nernst equation. Calculate the mean ionic activity co-efficients of 0.1 moL/Kg HCI, given the emf of the cell
                                     H2 (latm)/ HCI (a), AgCI (s)/Ag
    is 0.3524V and that standard electrode potential of Ag-AgCl is 0.2224V @25°C.

    Short Answer May-2018 • PTU B-TECH
  15. SECTION C

    6. Describe in brief the Jablonskii’s diagram and discuss various theories for mechanism of photosynthesis.
     

    Short Answer May-2018 • PTU B-TECH
  16. What are fundamental bands? Discuss Franck-Condon principle on details.

    Short Answer May-2018 • PTU B-TECH
  17. Give the number of lines in ESR spectrum of anthracene radical anion. Discuss MRI in
    details.

    Short Answer May-2018 • PTU B-TECH
  18. Lead (m.p. 327oC) and Silver (m.p. 961°C) form eutectic mixture at 303°C with 2.6% by
    weight of silver. Discuss the desilverization of lead on the basis of the phase diagram.

    Long Answer May-2018 • PTU B-TECH

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

This page lists engineering chemistry 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 engineering chemistry 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 engineering chemistry usually cover?

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

05 Does this page include a engineering chemistry previous year question paper 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.