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If average heat transfer co-efficient is ha and the local coefficient at the...

Q.  
If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is 'hl' then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length


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Answer :   Option: B


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More Questions Heat and Mass Transfer:

Q.  
For an ideal black body

A. Absorptivity =1

B. Reflectivity =1

C. Emissivity = 0

D. Transmitivity =1


Answer & Explanation

Q.  
Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is

A. 0.72

B. 4.364

C. 18

D. 83


Answer & Explanation

Q.  
Which of the following is concerned with both heat and mass transfer

A. Lewis relationship

B. Nusselt number

C. Kutateladze number

D. Froude number


Answer & Explanation

Q.  
Radiation shape factor is also known as

A. View factor

B. Friction factor

C. Angle factor

D. None of these


Answer & Explanation
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