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Heat Transfer

Heat Transfer
In SI units, fouling factor is expressed in

W/m²°K
m°K/W
m²°K/W
m²°K

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Heat Transfer
Which of the following is not concerned with the heat transfer?

Schmidt number
Peclet number
Stanton number
Brinkman number

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Heat Transfer
Film boiling is usually not desired in commercial equipments, because

the heat transfer rate is low in view of the large temperature drop. @
it is not economic
none of the listed here
it is difficult to maintain

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Heat Transfer
Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is

< 1
>1
L
0.1

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Heat Transfer
Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water.

Density
Boiling point (at the same pressure)
Thermal conductivity
Viscosity

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Heat Transfer
While the total emissivity of a perfect black body is unity, the same for a real body is

1
>1
0
between 0 and 1

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MORE MCQ ON Heat Transfer

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