Heat and Mass Transfer The thermal diffusivities for solids are generally Less than those for liquids More or less same as for liquids and gases Less than those for gases More than those for liquids and gases Less than those for liquids More or less same as for liquids and gases Less than those for gases More than those for liquids and gases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat is transferred by conduction, convection and radiation in Condensation of steam in condenser Boiler furnaces None of these Melting of ice Condensation of steam in condenser Boiler furnaces None of these Melting of ice ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called Thermal coefficient Thermal conductivity Temperature gradient Thermal resistance Thermal coefficient Thermal conductivity Temperature gradient Thermal resistance ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is expected to have highest thermal conductivity? Steam Solid ice Water Melting ice Steam Solid ice Water Melting ice ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The most commonly used method for the design of duct size is the Dual or double method Velocity reduction method Equal friction method Static regains method Dual or double method Velocity reduction method Equal friction method Static regains method ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by Convection Radiation Conduction and convection Conduction Convection Radiation Conduction and convection Conduction ANSWER DOWNLOAD EXAMIANS APP