Heat Transfer With increase in porosity, the thermal conductivity of a solid substance May increase or decrease; depends on the solid Increases Decreases Remains unchanged May increase or decrease; depends on the solid Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.5 > 0.6 0.5 < 0.1 < 0.5 > 0.6 0.5 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of conductance in SI unit is W/m² W/°K W/m W/m°K W/m² W/°K W/m W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Higher shell side heat transfer co-efficient Lower shell side pressure drop Higher tube side heat transfer co-efficient Lower tube side pressure drop Higher shell side heat transfer co-efficient Lower shell side pressure drop Higher tube side heat transfer co-efficient Lower tube side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Corrosiveness & fouling characteristics Pressure Density Viscosity Corrosiveness & fouling characteristics Pressure Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 1.66 88.66 3.66 Dependent on NRe only 1.66 88.66 3.66 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP
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