A bootstrap air cooling system has

A. One heat exchanger

B. Two heat exchangers

C. Three heat exchangers

D. Four heat exchangers

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  1. The specific humidity during cooling and dehumidification
  2. The specific humidity during dehumidification process
  3. In a saturated air-water vapour mixture, the
  4. In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity…
  5. The relative coefficient of performance is
  6. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature…
  7. Chaperon equation is applicable for registration at
  8. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute…
  9. The refrigerant for a refrigerator should have
  10. In a bootstrap air evaporative cooling system, the evaporator is provided
  11. The reciprocating refrigerant compressors are very suitable for
  12. The sub-cooling in a refrigeration cycle
  13. The evaporator changes the low pressure liquid refrigerant from the expansion valve into
  14. The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature…
  15. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  16. The difference between dry bulb temperature and wet bulb temperature, is called
  17. The unit of thermal diffusivity is
  18. Ammonia absorption refrigeration cycle requires
  19. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  20. Refrigeration in aeroplanes usually employs the following refrigerant
  21. The capacity of a domestic refrigerator is in the range of
  22. The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents
  23. In a reversed Brayton cycle, the heat is absorbed by the air during
  24. The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature…
  25. In chemical dehumidification process,
  26. In Electrolux refrigerator
  27. The index which correlates the combined effects of air temperature, relative humidity and air velocity…
  28. Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
  29. The thermostatic expansion valve is used in __________ type of evaporators.
  30. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents