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Heat Transfer

Heat Transfer
'Duhring's plot' is of use in

Leaching
Absorption
Extractive distillation
Evaporation

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Heat Transfer
Indirect contact heat exchangers are preferred over direct contact heat exchangers, because

There is no risk of contamination
Heat transfer co-efficient are high
Cost of equipment is lower
There is no mist formation

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Heat Transfer
According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor)

f
f/2
f/4
2f

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Heat Transfer
Correction is applied to LMTD for __________ flow.

Counter
Cross
None of these
Parallel

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Heat Transfer
Which of the following has the highest thermal conductivity ?

Air
Water
Black
Silver

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Heat Transfer
When warm and cold liquids are mixed, the heat transfer is mainly by

convection
none of the listed here
conduction
radiation

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MORE MCQ ON Heat Transfer

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