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HEAT TRANSFER

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
Logarithmic
Parabolic
Hyperbolic

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Heat Transfer
In a single effect evaporator, the economy is

1
< 1
> 1
None of these

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Heat Transfer
Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator.

Long tube
Falling film
None of these
High pressure

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Heat Transfer
Dropwise condensation is promoted on a/an __________ surface.

Smooth
Glazed
Coated
Oily

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Heat Transfer
In a backward feed multiple effect evaporator

None of these
Feed is introduced in the first effect
No pumps are required between successive effects
Feed flows from low pressure to high pressure

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