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Heat and Mass Transfer

Heat and Mass Transfer
Stefan Boltzmann law is applicable for heat transfer by

Conduction and radiation combined
Radiation
Convection
Conduction

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Heat and Mass Transfer
The expression Q = ρ AT4 is called

Stefan-Boltzmann equation
Joseph-Stefan equation
Fourier equation
Newton Reichmann equation

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Heat and Mass Transfer
The process of heat transfer from one particle of the body to another is called conduction, when the particles of the body

Do not move actually
Move actually
Does not affect the intervening medium
Affect the intervening medium

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Heat and Mass Transfer
In case of liquids and gases, the heat transfer takes place according to

Convection
None of these
Radiation
Conduction

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Heat and Mass Transfer
When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity (τ) = 0, then the body is said to be a

Black body
Grey body
White body
Opaque body

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Heat and Mass Transfer
Pick up the wrong case. Heat flowing from one side to other depends directly on

Time
Thickness
Temperature difference
Face area

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MORE MCQ ON Heat and Mass Transfer

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