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Heat Transfer

Heat Transfer
A graph between __________ is called Wilson plot.

1/U Vs . 1/v0.8
1/U Vs . 1/V
1/v0.8 Vs . U
V0.8 Vs . U

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Heat Transfer
Kirchoff s law applies to __________ radiation

monochromatic
None of the listed here
Both total & monochromatic
total

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Heat Transfer
With increase in temperature, the thermal conductivity of non-metallic amorphous solids

remains same
None of the listed here
increases
decreases

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Heat Transfer
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is

1.66
88.66
Dependent on NRe only
3.66

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Heat Transfer
In SI units, thermal conductivity is expressed in

Watt/m4. °K
Watt/m². °K
Watt/m². °K
Watt/m.°K

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Heat Transfer
Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid ?

Bleed point
None of the listed here
Vent
Catchall

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