Heat Transfer Which of the following has the minimum absorptivity? Refractory bricks Aluminium foil Iron plates Coal dust Refractory bricks Aluminium foil Iron plates Coal dust ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ gD2βΔtP²μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ gD2βΔtP²μ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. None of these Colburn Reynolds Prandtl None of these Colburn Reynolds Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Increases rapidly with temperature rise Is almost independent of pressure Both B and C Is almost independent of temperature Increases rapidly with temperature rise Is almost independent of pressure Both B and C Is almost independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) None of the listed here (ΔT)2 (ΔT)1/4 ΔT None of the listed here (ΔT)2 (ΔT)1/4 ΔT ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux is the time rate of heat transfer per unit volume area length none of the listed here volume area length none of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS