Heat Transfer Which has the lowest Prandtl number? Lube oil Aqueous solution Liquid metal Water Lube oil Aqueous solution Liquid metal Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to Either more or less than (depending upon the fluid) Less than More than Equal to Either more or less than (depending upon the fluid) Less than More than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Duhring's plot' is of use in Extractive distillation Leaching Evaporation Absorption Extractive distillation Leaching Evaporation Absorption ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Decreased steam consumption Both A and B Increased steam economy Increased capacity Decreased steam consumption Both A and B Increased steam economy Increased capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor None of these Does not provide a safety factor for design Accounts for additional resistances to heat flow Is a dimensionless quantity None of these Does not provide a safety factor for design Accounts for additional resistances to heat flow Is a dimensionless quantity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Remains constant May increase or decrease ; depends on the material Decreases Increases Remains constant May increase or decrease ; depends on the material Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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