Heat Transfer Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer. Grashoff Reynolds Biot Stantan Grashoff Reynolds Biot Stantan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Single pass, fixed tube sheet Three pass, fixed tube sheet U-tube None of these Single pass, fixed tube sheet Three pass, fixed tube sheet U-tube None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Logarithmic mean area Arithmetic mean area Geometric mean area None of the listed here Logarithmic mean area Arithmetic mean area Geometric mean area None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases Remains unchanged May increase or decrease; depends on the gas Increases Decreases Remains unchanged May increase or decrease; depends on the gas Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall heat transfer co-efficient for cooling of hydrocarbons by water is about 1000 - 1500 BTU/hr. ft.2°F 50 -100 W/m² . °K 50 -100 Kcal/hr.m².°C 50 -100 BTU/hr. ft.2°F 1000 - 1500 BTU/hr. ft.2°F 50 -100 W/m² . °K 50 -100 Kcal/hr.m².°C 50 -100 BTU/hr. ft.2°F ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Wien's law Stefan-Boltzman law Kirchhoffs law Planck's law Wien's law Stefan-Boltzman law Kirchhoffs law Planck's law ANSWER DOWNLOAD EXAMIANS APP
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