GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which condition is actual amount of water vapor in a mixture of air and water?
A
Relative humidity
B
Dew point
C
Absolute humidity
D
None of the above
Explanation: 

Detailed explanation-1: -The amount of water vapor in the air is called absolute humidity. The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity.

Detailed explanation-2: -The absolute humidity is defined as the weight of water present in unit volume of moist air measured in grams per cubic metre.

Detailed explanation-3: -Absolute humidity is the measure of water vapor (moisture) in the air, regardless of temperature. It is expressed as grams of moisture per cubic meter of air (g/m3). The maximum absolute humidity of warm air at 30°C/86°F is approximately 30g of water vapor – 30g/m3.

Detailed explanation-4: -The highest concentration of water vapor is 100% in terms of relative humidity and in terms of absolute humidity it is about 30 g of waterm3 of air 30 g of water m 3 of air with a temperature in the middle 30∘ C (86∘ F) 30 ∘ C ( 86 ∘ F ) .

Detailed explanation-5: -Absolute humidity is the weight of water in a unit volume of air (pound/ft3 or gm/ml). The humidity ratio or specific humidity is the weight of water vapour per unit weight of dry air (pound per pound or kg/kg).

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