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Heat Transfer

Heat Transfer
In a boiling curve, the peak heat flux is called the __________ point.

Nusselt
Burnout
Boiling
Leidenfrost

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Heat Transfer
Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is

2
0.5
10
100

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Heat Transfer
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Brinkman
Condensation
Grashoff
Stantan

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Heat Transfer
The ratio of momentum diffusivity to thermal diffusivity is the __________ number.

Prandtl
Grashoff
Nusselt
Stanton

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Heat Transfer
Black liquor generated during paper manufacture is concentrated in a

single effect evaporator
single effect evaporator followed by a crystalliser
multiple effect evaporator
multiple effect evaporators followed by a crystalliser

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

none of the listed here
length
volume
area

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