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VIZAG M.T. Exam. 2017- Heat Transfer Quiz 2

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Question 1

For the fully developed laminar flow and heat transfer in a uniformly heated long circular tube, if the flow velocity is doubled and the tube diameter is halved, the heat transfer coefficient will be

Question 2

Air can be best heated by steam in a heat exchanger of

Question 3

In order to achieve maximum heat dissipation, the fin should be designed in such a way that

Question 4

The coefficient of linear expansion of a solid is L. The volume V of a cube of this solid on being heated by 1 °C will change by

Question 5

For the same inlet and outlet temperatures of hot and cold fluids, the Log Mean Temperature Difference (LMTD) is
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