GATE (TF) Textile 2017 Question Paper Solution | GATE/2017/TF/46

Question 46 (Textile Engineering & Fibre Science)

At 65% relative humidity and 20oC temperature, The moisture regain of the fibres

(P) Wool
(Q) Nylon 6
(R) Cotton
(S) Polyester

(A)P > Q > R > S
(B)P > R > Q > S
(C)R > P > Q > S
(D)R > P > S > Q
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Frequently Asked Questions | FAQs

What is meant by the relative humidity?

Relative humidity (RH) is a measure of the amount of moisture or water vapor in the air relative to the maximum amount that the air could hold at a specific temperature. It is expressed as a percentage and is often used to describe the comfort level of the air or the likelihood of precipitation.
As the temperature of the air increases, the maximum amount of moisture it can hold also increases. Therefore, the relative humidity can change even if the amount of water vapor in the air remains the same. For example, air with a high humidity level at a low temperature may have a lower humidity level if the temperature increases, even if the amount of water vapor in the air does not change.
Relative humidity is an important factor in many fields, including weather forecasting, agriculture, and indoor air quality. It can affect how comfortable people feel in a particular environment, as well as impact the growth of crops and the development of certain types of molds and fungi.
Generally, a relative humidity level of 30-50% is considered comfortable for most people, while levels above or below this range can cause discomfort or health problems. High levels of relative humidity can also promote the growth of mold and mildew, while low levels can cause dry skin, respiratory problems, and other issues.

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