Heat Transfer Which of the following has the minimum absorptivity? Refractory bricks Coal dust Aluminium foil Iron plates Refractory bricks Coal dust Aluminium foil Iron plates ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Grashoff Reynolds Prandtl & Grashoff Both A & B Grashoff Reynolds Prandtl & Grashoff Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of conductance in SI unit is W/m W/°K W/m°K W/m² W/m W/°K W/m°K W/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would Decrease First decrease and then increase Increase First increase and then decrease Decrease First decrease and then increase Increase First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 4.36 120.36 2.36 Dependent on NRe only 4.36 120.36 2.36 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Black liquor generated during paper manufacture is concentrated in a single effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporators followed by a crystalliser multiple effect evaporator single effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporators followed by a crystalliser multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP