Heat and Mass Transfer The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is Less than one Equal to Nusselt number Equal to one Greater than one Less than one Equal to Nusselt number Equal to one Greater than one ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as Free convection Conduction Forced convection Radiation Free convection Conduction Forced convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be white when(Where a = absorptivity, p = reflectivity, x = transmissivity) X = 0, a + p = 1 P = 0, x = 0 and a = 1 P=1, T = 0 and a = 0 P = 0, x = 1 and a = 0 X = 0, a + p = 1 P = 0, x = 0 and a = 1 P=1, T = 0 and a = 0 P = 0, x = 1 and a = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A non-dimensional number generally associated with natural convection heat transfer is Weber number Nusselt number Prandtl number Grashoff number Weber number Nusselt number Prandtl number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The thermal diffusivities for solids are generally Less than those for liquids More than those for liquids and gases More or less same as for liquids and gases Less than those for gases Less than those for liquids More than those for liquids and gases More or less same as for liquids and gases Less than those for gases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has maximum value of thermal conductivity? Brass Aluminium Copper Steel Brass Aluminium Copper Steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS