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HEAT TRANSFER

Heat Transfer
Film boiling occurs at __________ pressure.

negative
none of the listed here
atmospheric
very high

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Heat Transfer
Heat flux through several resistances in series in analogous to the current flowing through several.

capacitors in series
resistances in parallel
resistances in series
none of the listed here

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Heat Transfer
Double pipe heat exchangers are used

when heat transfer area required is very high
because it is less costly
when heat transfer area required is very low
because it occupies less floor area

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Heat Transfer
Nusselt number (for forced convection heat transfer) is a function of the __________ number.

Both Reynolds & Prandtl
Reynolds
None of the listed here
Prandtl

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

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

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