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Heat Transfer

Heat Transfer
'Duhring's plot' is of use in

Evaporation
Extractive distillation
Absorption
Leaching

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Heat Transfer
(Cp . μ)/K is termed as the __________ number.

Grashoff
Stanton
Nusselt
Prandtl

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Heat Transfer
Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively)

CE
E/C
1/CE
C/E

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Heat Transfer
The energy radiated from a surface Q at absolute temperature T is related as

Q ∝ T²
None of these
Q ∝ T⁴
Q ∝ T³

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Heat Transfer
For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone.

Extremely low
No
Low
High

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Heat Transfer
Heat sensitive materials can be concentrated in an evaporator employing

High residence time
None of these
High pressure
Vacuum

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MORE MCQ ON Heat Transfer

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