The coefficient of performance of Heat Pump is always __________ one.

A. Equal to

B. Less than

C. Greater than

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  2. One ton refrigeration corresponds to
  3. Absorption system normally uses the following refrigerant
  4. The power per tonne of refrigeration is
  5. The process, generally used in summer air conditioning to cool and dehumidify the air, is called
  6. Most thermostatic expansion valves are set for a superheat of
  7. A refrigerant with the highest critical pressure is
  8. Rick up the incorrect statement
  9. Under cooling in a refrigeration cycle
  10. In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
  11. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle…
  12. While designing the refrigeration system of an aircraft, the prime consideration is that the
  13. The relative humidity is defined as
  14. Choose the correct statement
  15. The relative humidity lines on a psychrometric chart are
  16. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
  17. Condensing temperature in a refrigerator is the temperature
  18. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  19. One of the purposes of sub cooling the liquid refrigerant is to
  20. The thermostatic expansion valve is used in __________ type of evaporators.
  21. The bank of tubes at the back of domestic refrigerator is
  22. During humidification process, dry bulb temperature
  23. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line…
  24. Moisture in Freon refrigeration system causes
  25. The material of pipe lines for a system using Freon as a refrigerant should be
  26. Which of the following refrigerant has the lowest freezing point?
  27. In a lithium bromide absorption refrigeration system
  28. The optimum effective temperature for human comfort is
  29. Which of the following statement is correct?
  30. For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of