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Heat Transfer

Heat Transfer
For an ideal black body

Transmissivity = 1
Absorptivity = 1
Reflectivity = 1
Emissivity = 0

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Heat Transfer
The Grashoff number is defined as the ratio of the

inertial to viscous forces.
buoyancy to surface tension forces
buoyancy to inertial forces
buoyancy to viscous forces

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Heat Transfer
__________ equation relates the thermal conductivity of a solid to its temperature.

Lee's
Antonie
Kistyakowski
Kopp's

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Heat Transfer
Stefen's block body radiation law can also be derived from __________ law.

Kirchoffs
Planck's
None of these
Fourier's

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Heat Transfer
Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid?

Catchall
Bleed point
Baffle
Vent

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Heat Transfer
Sensible heat of hot industrial flue gases can not be recovered by a/an

Regenerator
None of these
Ceramic recuperator
Economiser

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