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Heat Transfer

Heat Transfer
__________ paint has the minimum absorption co-efficient.

White lead
Light cream
Black
Grey

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Heat Transfer
Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law.

Dalton's
Wien's
Kirchoffs
Stefan's

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Heat Transfer
Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be

0.85
0.55
0.45
0.35

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

Leidenfrost
Burnout
Nusselt
Boiling

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Heat Transfer
The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances.

Average
Geometric mean
Product
Sum

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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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