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AE-JE (ME) || Refrigeration and Air-Conditioning Quiz - 3

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Question 1

Which of the following is true about saturated air?

Question 2

During evaporative cooling process, the wet bulb temperature

Question 3

On psychrometric chart, constant dry bulb temperature lines are

Question 4

When the moist air in a closed vessel is cooled then the specific humidity

Question 5

At 100 % relative humidity, the wet bulb temperature is

Question 6

If air at 20 °C is heated to 25 °C using heater with a surface temperature of 30 °C then, the bypass factor is _______.

Question 7

The psychometric process generally followed in summer air conditioning is called:

Question 8

What is the usual quantity of free air taken per person in air conditioning system?

Question 9

For air with a relative humidity of 80% ____________.

Question 10

In air-conditioning systems, air may be cooled and dehumidified by

1) Spraying chilled water to air in the form of fine mist.

2) Circulating chilled water or brine in a tube placed across the air flow.

3) Placing the evaporator coil across the air flow.

Which of the above statements are corrects?

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Jan 7AE & JE Exams