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Heat Transfer

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

J/M2°K
J/m°K
W/m°K
W/m2°K

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

Steam ejector
Compressor
Entrainment separator
Vacuum pump

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Heat Transfer
Kirchoff s law applies to __________ radiation

monochromatic
Both total & monochromatic
total
None of the listed here

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Heat Transfer
Duhring rule is important in solving problems on

Humidification
Evaporation
Distillation
Crystallisation

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Heat Transfer
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.

Linear
Hyperbolic
Parabolic
Logarithmic

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Heat Transfer
In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always

> 1
< 1
∞
1

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