In a refrigeration system, heat absorbed in comparison to heat rejected is

A. More

B. Less

C. Same

D. More for small capacity and less for high capacity

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  1. The bypass factor for a cooling coil
  2. Highest pressure encountered in a refrigeration system should be
  3. Carbon dioxide is
  4. The refrigerant used in small tonnage commercial machines (hermetically sealed units) is
  5. Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
  6. An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation…
  7. The wet bulb temperature during sensible heating of air
  8. The refrigerant after condensation process is cooled below the saturation temperature before throttling.…
  9. The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
  10. The fluids used in Electrolux refrigerator are
  11. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
  12. An Electrolux refrigerator is called a __________ absorption system.
  13. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  14. In a refrigerating machine, heat rejected is _________ heat absorbed.
  15. When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance…
  16. Which of the following refrigerants has lowest freezing point?
  17. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
  18. The value of C.O.P in vapour compression cycle is usually
  19. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
  20. The coefficient of performance of Electrolux refrigerator is the ratio of
  21. Absorption system normally uses the following refrigerant
  22. Short horizontal lines on pressure-enthalpy chart show
  23. R-12 is generally preferred over R-22 in deep freezers since
  24. Highest temperature encountered in refrigeration cycle should be
  25. The emissivity of a polished silver body is __________ as compared to black body.
  26. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss…
  27. The advantage of dry compression is that
  28. During sensible cooling of air ________ decreases.
  29. The relative coefficient of performance is
  30. Mass flow ratio of NH₃ in comparison to Freon12 for same refrigeration load and same temperature…