Heat Transfer Which has the lowest Prandtl number? Liquid metal Lube oil Aqueous solution Water Liquid metal Lube oil Aqueous solution Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Fuel is cheaply available Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Evaporation on small scale is to be done Fuel is cheaply available Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Evaporation on small scale is to be done ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in Lower capacity Decreased economy Increased economy No effect on economy Lower capacity Decreased economy Increased economy No effect on economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Roughening the surface Painting the surface black Painting the surface white (with aluminium paint) Giving the surface a mirror finish Roughening the surface Painting the surface black Painting the surface white (with aluminium paint) Giving the surface a mirror finish ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Geometric mean area Arithmetic mean area Logarithmic mean area None of the listed here Geometric mean area Arithmetic mean area Logarithmic mean area None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = h/k r = k/h r = k/2h r = 2k/h r = h/k r = k/h r = k/2h r = 2k/h ANSWER DOWNLOAD EXAMIANS APP
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