Solved question paper for ACE May-2022 (DIPLOMA 5th)

Solved Question Paper

Air conditioning Engineering May-2022

PSBTE • DIPLOMA • Mechanical Engineering (RAC) • 5th • May-2022

Air Conditioning Engineering is a 5th semester subject in Punjab State Board of Technical Education Diploma in Engineering for Mechanical Engineering (RAC) students. This page is meant to help students find subject-wise previous year question papers and old papers for practice before exams. Reviewing past papers can make revision easier, show the usual question style, and help students understand the exam pattern for this subject. BRpaper is not the official website of Punjab State Board of Technical Education. It only helps students access exam preparation material and previous year question papers related to this subject.

Solved Questions

Solved
  1. The wet bulb depression is zero when relative humidity is equal to _______.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  2. The difference between DBT and WBT is called _______.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  3. The combined effect of DBT, Relative humidity and air velocity y into a single factor is called _________ temperature.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  4. The minimum temperature to which the moist air can be cooled is _______ temperature.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  5. As compare to men, women and children require _________ higher temperature.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  6. The recommended outside air required per person in a meeting room is _______ m3/min.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  7. The heat transmitted through structure of a building surface is known as ______ heat load.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  8. ________ heating system is having lower capital cost as compare to others.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  9. The vapour pressure during sensible heating of air ________.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  10. Static regain method of designing ducts as compared to equal friction method ________ the cost of sheet metal for duct.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  11. State True or False. The efficiency of desert cooler is given by t_dbgt-db/ t_db-t_wb.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  12. State True or False. When outside air is introduced for ventilation, there is both latent and sensible heat gain.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  13. State True or False. Equal friction method of designing the duct is ideal when system is not balanced.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  14. State True or False. The filters are broadly classified into five groups.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  15. State True or False. The cooling coil efficiency during sensible cooling is given by 1+BF.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  16. Explain the process of heating with humidification.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  17. Explain enthalpy of mo ist air.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  18. What factors affect comfort air conditioning?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  19. When is humidification of air necessary and how is it achieved?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  20. The size of wall of a house is 4.5m × 5.3m and window of 1.25m × 1m is fitted in it. If the U factors of wall and window are 4.9032 and 23.0859 kJ/m2/hr°C respectively and the temperature difference between the outside and inside is 10°C. Find the heat leakage through wall.
    Long Answer 5 Marks May-2022 • PSBTE DIPLOMA
  21. What are the functions of following in an air conditioning system? i) Dampers ii) diffusers iii) grills iv) filters.
    Long Answer 5 Marks May-2022 • PSBTE DIPLOMA
  22. Discuss the friction losses in ducts?
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  23. Write a note on dust collectors.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  24. Define sensible heat factor, by pass factor and apparatus dew point. What is the importance of these in solving air conditioning problems?
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  25. Draw a heat diagram of air conditioning sy stem required for summer season, and explain working of different components in the circuit.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  26. Explain the different methods of water heating systems.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  27. Explain various types of air cleaning equipments.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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01 Where can I find Air Conditioning Engineering previous year question papers for PSBTE 5th semester?

This page is for subject-wise previous year question papers and old papers related to Air Conditioning Engineering in PSBTE Diploma Mechanical Engineering (RAC) 5th semester.

02 Is this page only for Air Conditioning Engineering?

Yes, this subject page is focused on Air Conditioning Engineering only within the PSBTE Diploma in Engineering Mechanical Engineering (RAC) 5th semester context.

03 Can I use these old papers for revision before exams?

Yes, previous year question papers are useful for revision, practicing common questions, and understanding the usual exam pattern for this subject.

04 Does BRpaper provide official PSBTE papers?

No, BRpaper is not the official website of Punjab State Board of Technical Education. It only helps students find exam-related question papers and preparation material.

05 Are solved papers available on this page?

This page is meant for previous year question papers and old papers. Any solved content, if available elsewhere on BRpaper, is not guaranteed here.