Frost on cooling coils

Refrigeration and Air conditioning Mcqs
BILAL KHATTAK0

A.Increases heat transfer
B.Improves COP of the system
C.Reduces power consumption
D.Reduces evaporator temperature
E.Acts as an insulation, increasing power consumption

Related Mcqs:

  1. High air-fuel ratio in gas turbines
  2. A wall 50 mm thick (thermal conductivity k = 40 W/m?C) has temperature difference on two surfaces of 100?C. What could probably change if the temperature difference of this wall drops to 100?C
  3. Perspiration cools the body by __________?
  4. Which of the following is false statement?
  5. In heat exchanger design, one transfer unit means
  6. In a temperature inversion __________?
  7. In the stratosphere, the air temperature normally __________?
  8. The value of disintegration constant (k) of a radioactive isotope
  9. Chilling, heat treatment and alloy addition to cast iron generally
  10. During sensible of cooling of air

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