Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet Cotton followed by aluminium foil 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet Cotton followed by aluminium foil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to perimeter Volume to surface area Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area Surface area to volume Perimeter to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 0.06 to 120 0.6 to 120 l to 50 1 to 103 0.06 to 120 0.6 to 120 l to 50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid ? None of the listed here Catchall Vent Bleed point None of the listed here Catchall Vent Bleed point ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by Conduction Convection Eddies current None of these Conduction Convection Eddies current None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ chart is known as transient heat conduction chart. Cox Mollier's Heisler's Dirhing's Cox Mollier's Heisler's Dirhing's ANSWER DOWNLOAD EXAMIANS APP