Refrigeration & Air Conditioning Mcqs

Q.  In a vapor compression cycle, the refrigerant immediately after expansion valve is___________________?

a. liquid
b. sub-cooled liquid
c. saturated liquid
d. wet vapour
e. dry vapour


ANSWER: See Answer
 
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MCQs:  One kg of steam sample contains 0.8 kg dry steam; it’s dryness fraction is__________________?
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MCQs:  In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?
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MCQs:  Heating wet steam at constant temperature is heating it at constant_________________?
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MCQs:  The state of vapour under saturation condition is described by_______________?
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MCQs:  Water boils when its vapour pressure ___________________?
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MCQs:  The increase in pressure _________________?
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MCQs:  Alkaline pyrogallate is used in Orsat’s apparatus for absorption of _________________?
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MCQs:  Efficiency of rankine cycle can be increased by_________________?
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MCQs:  Efficiency of a thermal cycle increases by ________________?
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MCQs:  Which of the following gases has the highest calorific value ________________?
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