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Heat Transfer

Heat Transfer
What is the unit of thermal conductivity ?

Kcal/hr.m
Kcal/hr. °C
Kcal/hr.m.°C
Kcal/hr. m² °C

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Heat Transfer
Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer.

Grashoff
Reynolds
Both A & B
Prandtl & Grashoff

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Heat Transfer
Which type of heat exchanger is preferred for heavy heat loads ?

Series and parallel set of shell and tube
Double pipe
Plate fine
None of the listed here

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Heat Transfer
__________ chart is known as transient heat conduction chart.

Mollier's
Dirhing's
Heisler's
Cox

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

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

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Heat Transfer
Duhring rule is important in solving problems on

Humidification
Distillation
Evaporation
Crystallisation

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MORE MCQ ON Heat Transfer

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