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Heat Transfer

Heat Transfer
Graetz number is given by

kL/mCp
mCp/kL
mCp/kμ
kμ/mCp

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Heat Transfer
Peclet number (Pe) is given by

Pe = Pr/Re
Pe = Re.Pr
Pe = Re/Pr
Pe = Nu.Re

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Heat Transfer
Viscous & heat sensitive liquids are concentrated in __________ evaporators.

None of these
Long tube
Open pan
Agitated film

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Heat Transfer
The unit of heat transfer co-efficient in SI unit is

J/M2°K
W/m2°K
J/m°K
W/m°K

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Heat Transfer
Shell side pressure drop in a shell and tube heat exchanger does not depend upon the

Baffle spacing & shell diameter
None of these
Viscosity, density & mass velocity of shell side fluid
Tube diameter & pitch

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Heat Transfer
Duhring rule is important in solving problems on

Crystallisation
Evaporation
Humidification
Distillation

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MORE MCQ ON Heat Transfer

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