Refrigeration And Air Conditioning Set 2

Mechanical Engineering

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This set of Refrigeration and Air conditioning Multiple Choice Questions & Answers (MCQs) focuses on Refrigeration And Air Conditioning Set 2

Q1 | Which of the following refrigerant has the freezing point?
Q2 | Dehumidification means
Q3 | In a refrigeration system a condenser
Q4 | Dry ice is
Q5 | A refrigerating machine working on Reversed Carnot cycle takes out 2 kW per minute of heat from the system while working between temperature limits of 300?K and 200?K. The C.O.P. and power consumed by the cycle will be
Q6 | In halide torch test if there is leakage of refrigerant, the colour of flame with change to
Q7 | If the discharge pressure of a refrigeration compressor is too high it shows
Q8 | Oil separator in a refrigeration cycle is installed
Q9 | If a refrigerator compressor cuts out on starter overloads the probable reason could be
Q10 | In electrolus refrigerator
Q11 | A condenser removes from the refrigerant
Q12 | During dehumidification process
Q13 | In a refrigerator evaporator is located
Q14 | In case of wet bulb depression is zero, it can be concluded that
Q15 | Freon type (halocarbons) refrigerants are
Q16 | Brine is always used as a secondary refrigerant in
Q17 | The bulk of tubes at the back of the domestic refrigerator are
Q18 | Out of the following refrigerants which one will provide highest compressor displacement per tonne of refrigeration in a vapour compression system operating between fixed temperatures
Q19 | Which of the following has lowest COP?
Q20 | The performance of an evaporative condenser largely depends on
Q21 | The rate of evaporation of water will be low when
Q22 | Dry bulb temperature depends on
Q23 | In a psychrometric chart vertical lines indicate
Q24 | In case of completely dry air
Q25 | When the lower temperature is fixed, the COP of a refrigerating machine can be improved by
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