Previous Year Very Short Questions of RACA (DIPLOMA mechanical engineering 6th)

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Rac application

Previous year question paper with solutions for Rac application

Our website provides solved previous year question paper for Rac application . Doing preparation from the previous year question paper helps you to get good marks in exams. From our RACA question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

These Questions are downloaded from www.brpaper.com You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.

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  1. The full form of LNG is ………………………………………
  2. Liquid ……….is used for refrigeration systems.
  3. ……..refrigerant is generally used in ice plants.
  4. ………………..are the two microorganisms responsible for food spoilage.
  5. ………….,…… and ……… control are the three main requirement of comfort air conditioning.
  6. ………………..materials are used to control Relative Humidity of air in industries
  7. In civil engineering applications, refrigeration is used for cooling of ………
  8. …………..chloride is used for making brine solution.
  9. ……………………. Refrigerant is used in automobile air conditioning systems.
  10. . ……………… is the most commonly used refrigerant in cold storage plant.
  11. Heat extracted from system in given time is called_________ (Refrigeration capacity/Refrigeration effect)
  12. COP of a refrigeration system is maximum when it works on _______ cycle. (Reversed Carnot/Carnot)
  13. The heat that affects the temperature of substance but does not changes the state, when added or subtracted from substance is called_______ heat. (latent/sensible)
  14. The growth of food destroying micro-organisms is about _____times at 10°C than at temperature lower than 4°C. (100/1000)
  15. The method and equipment for preservation depends upon the type of ________. (product/refrigeration)
  16. The capillary diameter and length must be such as would ensure a flow of capacity equal to _______ capacity of compressor. (HP/pumping)
  17. Manual defrosting is also known as _______ defrosting. (water/off cycle)
  18. Due to presence of air, _______ ice is obtained. (transparent/milky)
  19. The solidification of liquid carbon dioxide is done by expanding it to a pressure ________ that of its triple point pressure. (above/below)
  20. The relative humidity during heating and humidification ________. (increases/decreases)