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Heat Transfer

Heat Transfer
(Cp . μ)/K is termed as the __________ number.

Nusselt
Grashoff
Prandtl
Stanton

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Heat Transfer
Heat waves

Can be reflected by a mirror
Can not pass through vacuum
Travel in straight line
Both B and C

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Heat Transfer
Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second.

3 x l012
3 x l010
3 x l05
3 x l08

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Heat Transfer
The Graetz number is concerned with the

mass transfer between a gas and a liquid
heat transfer in laminar flow
heat transfer in turbulent flow
absorption with chemical reaction

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Heat Transfer
In natural convection heat transfer, the correlating parameter is the

Graetz number
Eckert number
Grashoff number
Bond number

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Heat Transfer
Use of transverse baffles in a shell and tube heat exchanger is done to increase the

Turbulence of shell side fluid
All of these
Flow velocity
Rate of heat transfer

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