Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Scaling Salty Highly viscous Corrosive Scaling Salty Highly viscous Corrosive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 10 0.5 100 2 10 0.5 100 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Iron plates Coal dust Refractory bricks Aluminium foil Iron plates Coal dust Refractory bricks Aluminium foil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/2h r = h/k r = k/h r = 2k/h r = k/2h r = h/k r = k/h r = 2k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Biot Nusselt Prandtl Reynolds Biot Nusselt Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 555 55.5 0.55 0.15 555 55.5 0.55 0.15 ANSWER DOWNLOAD EXAMIANS APP