Leidenfrost point is a term concerned with the (A) Condensation of the saturated vapor on a cold surface (B) Concentration of a corrosive solution by evaporation (C) Heat transfer between two highly viscous liquids (D) Boiling of a liquid on a hot surface

Leidenfrost point is a term concerned with the

(A) Condensation of the saturated vapor on a cold surface

(B) Concentration of a corrosive solution by evaporation

(C) Heat transfer between two highly viscous liquids

(D) Boiling of a liquid on a hot surface

by

1 Answer

Answer :

(D) Boiling of a liquid on a hot surface

by

Related questions

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Last Answer : (B) Filmwise condensation takes place on non-wettable surfaces

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Explain with reason through which side of shell and tube heat exchanges, the following liquids are directed. (i) viscous liquid (ii) high pressure liquid (iii) corrosive liquid

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Last Answer : (D) Burnout

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Define the term melting, boiling, evaporation, condensation, freezing.

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In case of evaporators, liquid entrainment results primarily due to (A) High vacuum in the evaporator (B) High evaporation rate (C) Foaming of the solution (D) High heat transfer rate

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Pick out the wrong statement. (A) Packed towers are preferred for vacuum operation, because the pressure drop through the packing is less and they (packings) also lessen the possibility of tower wall collapse (B) Packed towers are preferred over plate towers for handling corrosive and foamy liquids (C) Diameter of randomly packed tower is normally more than 1.2 metres (D) Due to uneven supply and improper distribution of liquid, problem of channelling, loading & flooding is generally encountered in packed towers

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