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Heat Transfer

Heat Transfer
Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent.

1
18
26
7

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Heat Transfer
__________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side.

None of these
Three pass, fixed tube sheet
Single pass, fixed tube sheet
U-tube

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Heat Transfer
The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators.

Compressor
Entrainment separator
Steam ejector
Vacuum pump

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Heat Transfer
Which of the following is not used as a medium for high temperature heating ?

liquid metal
mercury
dowtherm
None of the listed here

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Heat Transfer
In forced convection, the heat transfer depends on

Re, Gr
Re, Pr
mainly Gr
none of the listed here

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Heat Transfer
Unsteady state heat conduction occurs, when

Temperature distribution is independent of time
Heat flows in one direction only
Three dimensional heat flow is concerned
Temperature distribution is dependent on time

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