Heat Transfer Which of the following has the minimum absorptivity? Aluminium foil Coal dust Iron plates Refractory bricks Aluminium foil Coal dust Iron plates Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is None of these Infinity Same as average heat transfer co-efficient for tube side Zero None of these Infinity Same as average heat transfer co-efficient for tube side Zero 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 Increase First decrease and then increase Decrease First increase and then decrease Increase First decrease and then increase Decrease First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Isothermal Neither A and B Both A and B Non-isothermal Isothermal Neither A and B Both A and B Non-isothermal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Facilitate increase of shell length, if needed Increase the heating load Account for the uneven expansion of shell and tube bundles Impart structural strength Facilitate increase of shell length, if needed Increase the heating load Account for the uneven expansion of shell and tube bundles Impart structural strength ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is Nusselt number Stanton number Sherwood number Schmidt number Nusselt number Stanton number Sherwood number Schmidt number ANSWER DOWNLOAD EXAMIANS APP