Home

The lowest thermal diffusivity is of

A. Iron

B. Lead

C. Aluminium

D. Rubber

Related Questions

  1. In a reversed Brayton cycle, the heat is absorbed by the air during
  2. The condensing pressure due to the presence of non-condensable gases, as compared to that actually required…
  3. During dehumidification process, the relative humidity
  4. An important characteristic of absorption system of refrigeration is
  5. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
  6. In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering…
  7. The human body feels comfortable when the heat stored in the body is
  8. The bypass factor of a cooling coil decreases with
  9. The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.
  10. Moisture in Freon refrigeration system causes
  11. In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
  12. A good refrigerant should have
  13. The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
  14. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle…
  15. In larger industrial and commercial reciprocating compression systems, refrigerant widely used is
  16. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  17. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which…
  18. The superheated vapour region, in a pressure enthalpy chart, is represented by the space
  19. Choose the correct statement
  20. The capillary tube, as an expansion device, is used in
  21. The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed…
  22. Presence of moisture in a refrigerant affects the working of
  23. The formation of frost on cooling coils in a refrigerator
  24. Air refrigeration cycle is used in
  25. In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
  26. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  27. One tonne of refrigeration (1TR) means that the heat removing capacity is
  28. Which of the following statement is correct?
  29. The specific humidity during heating and humidification process.
  30. The bypass factor for a cooling coil

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