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Chapter 3 REFRIGERATION MCQs

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1. . The process of removing heat from objects in a control way in order to cool them is called:





2. . One ton is equal to the heat removal at the rate of:





3. . The refrigerants used in refrigeration should be:





4. . A chemical mixture of chlorine, fluorine and carbon dioxide is called:





5. . When the liquid refrigerant comes out from the capillary tube to evaporator, its pressure:





6. . In the freezer compartment of a refrigerator, the temperature maintained is:





7. . The refrigerant vaporizes and absorbs latent heat from the surrounding in:





8. . In the refrigerator, the function of thermostat is to maintain the requisite:





9. . In room air conditioner, the condensers used are:





10. . In air conditioner, filters are used to:





11. . In a domestic refrigerator, the temperature maintained in the food cabinet is:





12. . Air conditioning is a process of simultaneous controlling of:





13. . When the starting relay in the electric circuit of a refrigerator fails to close:





14. . Freon boils at the temperature of:





15. . The unit of refrigeration:





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