Heat Transfer Presence of a non-condensing gas in a condensing vapour decreases thermal resistance is desirable to increase the film co-efficient increases the rate of condensation None of the listed here decreases thermal resistance is desirable to increase the film co-efficient increases the rate of condensation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor None of these Accounts for additional resistances to heat flow Is a dimensionless quantity Does not provide a safety factor for design None of these Accounts for additional resistances to heat flow Is a dimensionless quantity Does not provide a safety factor for design ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing Should be less than the inside diameter of the shell None of these Should be less than one fifth the diameter of the shell Is not the same as baffle pitch Should be less than the inside diameter of the shell None of these Should be less than one fifth the diameter of the shell Is not the same as baffle pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. Density Viscosity Boiling point (at the same pressure) Thermal conductivity Density Viscosity Boiling point (at the same pressure) Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Sum Product Average Geometric mean Sum Product Average Geometric mean ANSWER DOWNLOAD EXAMIANS APP
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