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HEAT TRANSFER

Heat Transfer
Which of the following is unimportant in forced convection ?

Grashhoff number
Prandtl number
Reynolds number
none of the listed here

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

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

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Heat Transfer
Dropwise condensation occurs on __________ surfaces

polished
clean and dirt free
contaminated cooling
smooth clean

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Heat Transfer
For specified tube outside diameter, higher BWG means higher

tube thickness
weight per unit length
none of the listed here
cross-sectional area

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Heat Transfer
Heat flux is the time rate of heat transfer per unit

area
length
none of the listed here
volume

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