Which of the following statement is correct for ammonia as a refrigerant?

A. It is toxic to mucous membranes.

B. It requires large displacement per TR compared to fluoro carbons.

C. It reacts with copper and its alloys.

D. All of these

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

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  1. Chaperon equation is applicable for registration at
  2. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  3. One ton refrigeration corresponds to
  4. Under cooling in a refrigeration cycle
  5. A good refrigerant should have
  6. Which of the following refrigerant is highly toxic and flammable?
  7. For obtaining high COP, the pressure range of compressor should be
  8. The optimum effective temperature for human comfort is
  9. The pressure at the outlet of a refrigerant compressor is called
  10. Vapour compression refrigeration is somewhat like
  11. Where does the lowest temperature occur in a vapour compression cycle?
  12. The refrigerant widely used in domestic refrigerators is
  13. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
  14. The sensible heat factor during the heating and humidification process is given by (where h₁…
  15. The temperature of ammonia after compression in a vapour compression system is
  16. Dry bulb temperature is the temperature of air recorded by a thermometer, when
  17. During sensible cooling of air ________ decreases.
  18. The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.
  19. During adiabatic saturation process on unsaturated air __________ remains constant.
  20. The power per tonne of refrigeration is
  21. Chaperon equation is a relation between
  22. During sensible cooling of air, specific humidity
  23. Short horizontal lines on pressure-enthalpy chart show
  24. The evolution of heat of solution takes place in ammonia absorption plant when
  25. Absorption system normally uses the following refrigerant
  26. The boiling point of ammonia is
  27. In a vapour compression system, the condition of refrigerant is dry saturated vapour
  28. The human body feels comfortable when the heat stored in the body is
  29. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  30. In Electrolux refrigerator