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Heat Transfer

Heat Transfer
Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively)

C/E
E/C
CE
1/CE

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Heat Transfer
Open pan evaporators are preferred to be used, when the solution to be concentrated is

Corrosive
Scaling
Highly viscous
Salty

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Heat Transfer
The steam ejector is used to

None of these
Superheat the steam
Create vacuum
Remove condensate from the steam pipelines

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Heat Transfer
A hot body will radiate heat most rapidly, if its surface is

Black & polished
White & rough
Black & rough
White & polished

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Heat Transfer
Dropwise condensation occurs on __________ surfaces

smooth clean
polished
contaminated cooling
clean and dirt free

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

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

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MORE MCQ ON Heat Transfer

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