Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Existence of thermal boundary layer Temperature gradient produced due to density difference None of these Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer Temperature gradient produced due to density difference None of these Buoyancy of the bubbles produced at active nucleation site ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporator tubes are generally Horizontal Random Inclined Vertical Horizontal Random Inclined Vertical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in Increased economy No effect on economy Lower capacity Decreased economy Increased economy No effect on economy Lower capacity Decreased economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Co-current Counter-current Direct contact Cross-current Co-current Counter-current Direct contact Cross-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat flux heat transfer co-efficient thermal conductivity thermal diffusivity heat flux heat transfer co-efficient thermal conductivity thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the Flexibility possible in the baffle arrangement Low pressure drop High heat transfer co-efficient Less corrosion problems Flexibility possible in the baffle arrangement Low pressure drop High heat transfer co-efficient Less corrosion problems ANSWER DOWNLOAD EXAMIANS APP
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