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Heat Transfer

Heat Transfer
Which is the most suitable for cold viscous feed?

Parallel feed
Forward feed
Mixed feed
Backward feed

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Heat Transfer
Thermal conductivity of a conducting solid material depends upon its

porosity
None of the listed here
temperature
both temperature & porosity

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Heat Transfer
In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is

Zero
Minimum
Maximum
Infinity

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Heat Transfer
Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C.

5000-15000
100-500
1000-1500
18537

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Heat Transfer
In a boiling curve, the peak heat flux is called the __________ point.

Leidenfrost
Nusselt
Burnout
Boiling

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Heat Transfer
In forced convection, the Nusselt number is a function of

Re and Gr
Pr and Gr
Re and Pr
Re and Sc

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