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Heat and Mass Transfer

Heat and Mass Transfer
The natural convection air cooled condensers are used in

Domestic refrigerators
Room air conditioners
Water coolers
All of these

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Heat and Mass Transfer
The rate of energy transferred by convection to that by conduction is called

Stanton number
Nusselt number
Biot number
Peclet number

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Heat and Mass Transfer
The radiation emitted by a black body is known as

Black radiation
All of these
Full radiation
Total radiation

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Heat and Mass Transfer
Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of

0.1
0.002
0.01
0.02

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Heat and Mass Transfer
Reynolds number is the ratio of

Kinematic viscosity to thermal diffusivity
Inertia force to viscous force
Energy transferred by convection to that by conduction
None of these

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Heat and Mass Transfer
The product of Reynolds number and Prandtl number is known as

Biot number
Grashoff number
Peclet number
Stanton number

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MORE MCQ ON Heat and Mass Transfer

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