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HEAT TRANSFER

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

Reynolds number
Prandtl number
none of the listed here
Grashhoff number

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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
increase the economy
reduce the capacity

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Heat Transfer
Dropwise condensation occurs on __________ surfaces

smooth clean
contaminated cooling
polished
clean and dirt free

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

weight per unit length
tube thickness
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

volume
none of the listed here
area
length

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