Physics Test Preparations On Heat Transfer Refrigeration Air Conditioning Part 2

Test Preparation on Physics Test Preparations On Heat Transfer Refrigeration Air Conditioning Part 2

1.

The superheated vapor region, in a pressure enthalpy chart, is represented by the space

1to the left of saturated liquid line
2to the right of saturated liquid line
3between the saturated liquid line and saturated vapour line
4none of the above

2.

The minimum temperature to which water can be cooled in a cooling tower is

1dew point temperature of air
2wet bulb temperature of air
3dry bulb temperature of air
4ambient air temperature

3.

The index which correlates the combined effects of air temperature, relative humidity, and air velocity on the human body, is known as

1mean radiant temperature
2effective temperature
3dew point temperature
4none of these

4.

The ratio of Nusselt number and the product of Reynold's number and Prandtl number is equal to

1Stanton number
2Biot number
3Peclet number
4Grashoff number

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