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Question

Filling or decking in a cooling tower increases the rate of heat transfer by providing

कूलिंग टॉवर में भरने या डेकिंग से ऊष्मा स्थानांतरण की दर बढ़ जाती है

A.

Increased flow of water

B.

Increased flow of air

C.

Increased flow of water and air

D.

A large amount of wetted surface

Answer ( Option D)

A large amount of wetted surface

Solution

A cooling tower is a type of heat exchanger in which the warm water and the air are getting in direct contact for evaporative cooling in the cooling tower. Filling or decking is a process used in cooling towers to increase the wetted surface area of the cooling tower. The increased wetted surface allows the maximum contact surface area between air and water, thus allows for a higher evaporation rate.

Hence, the correct option is (D).

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