Refrigeration & Air Conditioning – Page 4 – HI MCQ!

The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called?

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Wet bulb temperature is the temperature of air recorded by a thermometer, when?

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The curved lines on a psychrometric chart indicates?

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The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The by-pass factor of the heating coil is?

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During humidification process …………. increases?

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The process, generally used in winter air-conditioning to warm and humidity the air, is called?

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During heating and humidification, the final relative humidity of air?

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In chemical dehumidification process?

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A human body feels comfortable when the heat produced by the metabolism of human body is equal to the?

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When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be?

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