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Heat Transfer

Heat Transfer
Correction is applied to LMTD for __________ flow.

Counter
None of these
Parallel
Cross

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Heat Transfer
Evaporation by thermocompression results in the

None of these
Saving of steam
Realisation of multiple effect economy in a single effect
Both A and B

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

4.364
18
0.72
83

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Heat Transfer
In a multiple effect evaporator, the effect of boiling point elevation is to

reduce the economy
all of the listed here
reduce the capacity
increase the economy

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Heat Transfer
Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the

Low pressure drop
High heat transfer co-efficient
Less corrosion problems
Flexibility possible in the baffle arrangement

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Heat Transfer
In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always

1
> 1
∞
< 1

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