Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Viscous Elastic None of these Inertial Viscous Elastic None of these Inertial ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that Constant temperature gradient exists Material is anisotropic There is no internal heat generation Boundary surfaces are isothermal Constant temperature gradient exists Material is anisotropic There is no internal heat generation Boundary surfaces are isothermal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 1.8 times Decrease by 22 Remain unchanged Increase by 216 Increase by 1.8 times Decrease by 22 Remain unchanged Increase by 216 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Vacuum evaporator Partial condenser Double pipe heat exchanger Total condenser Vacuum evaporator Partial condenser Double pipe heat exchanger Total condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Prandtl number for water ranges from 1000 to 2000 5 to 10 100 to 500 L to 2 1000 to 2000 5 to 10 100 to 500 L to 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Heat transfer co-efficient Thermal diffusivity Thermal conductivity Stefan-Boltzman constant Heat transfer co-efficient Thermal diffusivity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP