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HEAT TRANSFER

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

Reynolds number
Prandtl number
Grashhoff 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 economy
reduce the capacity
increase the economy

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Heat Transfer
Dropwise condensation occurs on __________ surfaces

clean and dirt free
smooth clean
contaminated cooling
polished

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

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

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

area
none of the listed here
length
volume

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