Solved question paper for RACA May-2022 (DIPLOMA 6th)

Solved Question Paper

RAC Applications May-2022

PSBTE • DIPLOMA • Mechanical Engineering (RAC) • 6th • May-2022

RAC Applications for Punjab State Board of Technical Education in Diploma in Engineering, Mechanical Engineering (RAC), 6th semester helps students find subject-wise previous year question papers and old exam papers for revision. This page is useful for understanding the question pattern, repeated topics, and the style of 6th semester diploma papers before the exam. BRpaper collects question paper references to support quick preparation, practice with last year papers, and a better grasp of important questions from this subject. BRpaper is not the official website of Punjab State Board of Technical Education.

Solved Questions

Solved
  1. OOP is __________ proportional to capacity of refrigeration.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  2. The COP of a domestic refrigerator in comparison to domestic air conditioning will be __________.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  3. Secondary refrigerants are those which are __________ by primary refrigerants and then employed for cooling purpose.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  4. The heat that does not affect the temperature of a substance but changes the state when added or subtracted from substance is called __________ heat.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  5. Room air conditioners and packaged units are examples of __________.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  6. Ice can containing about 150 kg of water takes 50 hours to freeze.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  7. Loss of water content by all foods to the surrounding air is known as __________.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  8. Above the triple point temperature, the heat required to change from a liquid to a vapour is termed as __________.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  9. The relative humidity during heating and humidification __________.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  10. During sensible heating of air, its __________ humidity does not change.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  11. Due to presence of air, __________ is obtained.
    Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA
  12. All molds can be destroyed by heating at a temperature of 100°C
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  13. In milk chilling plant, the secondary refrigerant is glycol.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  14. At atmospheric pressure, the heat of sublimation of solid CO2 is370.5 kJ/kg.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  15. The sensible heat factor for auditorium or cinema hall is generally kept as 0.7.
    True / False 1 Marks May-2022 • PSBTE DIPLOMA
  16. Write a note on marine refrigeration.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  17. Explain the different types of ice.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  18. What is the comfort air conditioning? Explain it.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  19. Explain stacking of food and air circulation in cold storage
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  20. Write a note on storage temperature, humidity and air motion during food preservation.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  21. Write a note on transport refrigeration.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  22. Explain installation of cold plates in truck body.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  23. Explain the application of air conditioning in departmental store.
    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA
  24. Explain the applications of refrigeration and air conditioning in industry.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  25. Discuss in detail different freezing methods for food preservation.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  26. Describe the construction and working of central air conditioning system.
    Long Answer 10 Marks May-2022 • PSBTE DIPLOMA
  27. Explain the application of air conditioning in Hotels and restaurants.

    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA


  28. Explain the application of air conditioning in theatres and auditoriums.

    Short Answer 5 Marks May-2022 • PSBTE DIPLOMA


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FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly
01 Where can I find RAC Applications previous year question papers for PSBTE 6th semester?

This page is meant to help students find RAC Applications subject-wise previous year and old question papers for the PSBTE 6th semester diploma course.

02 Are RAC Applications question papers available in PDF format?

Many students search for question paper PDF files on pages like this. Availability can vary, so check the subject page for the papers listed there.

03 How do old RAC Applications papers help in exam preparation?

Old papers help you understand the exam pattern, repeated questions, and the type of questions asked in previous years, which supports quick revision.

04 Can I use this page to find subject-wise papers for Mechanical Engineering (RAC)?

Yes, this page is focused on RAC Applications within Mechanical Engineering (RAC), so it is useful for subject-wise paper search in this branch and semester.

05 Does BRpaper provide official papers from Punjab State Board of Technical Education?

No. BRpaper is not the official website of Punjab State Board of Technical Education. It only helps students locate previous year question papers and related exam-prep material.