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

Long tube
None of these
High pressure
Falling film

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Heat Transfer
Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Between two bodies not in physical contact with each other
Between two bodies in physical contact with each other
Both B & C
From one part of a body to the another part of the same body

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Heat Transfer
Leidenfrost point is a term concerned with the

Boiling of a liquid on a hot surface
Condensation of the saturated vapor on a cold surface
Heat transfer between two highly viscous liquids
Concentration of a corrosive solution by evaporation

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