Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively decreases Cummulatively increases And the surface conductance increase Remains constant Cummulatively decreases Cummulatively increases And the surface conductance increase Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Water Aqueous solution Liquid metal Lube oil Water Aqueous solution Liquid metal Lube oil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 1 0.5 5 1 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is More Less Some Either more or less ; depends on the nature of vapor More Less Some Either more or less ; depends on the nature of vapor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the Realisation of multiple effect economy in a single effect Saving of steam None of these Both A and B Realisation of multiple effect economy in a single effect Saving of steam None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B ANSWER DOWNLOAD EXAMIANS APP
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