Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Cube Sphere Plate All of these Cube Sphere Plate All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed All of these Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Open pan Long tube None of these Agitated film Open pan Long tube None of these Agitated film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1.5 0.5 1 80 1.5 0.5 1 80 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 1 30 10 20 1 30 10 20 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Use of transverse baffles in a shell and tube heat exchanger is done to increase the Flow velocity All of these Rate of heat transfer Turbulence of shell side fluid Flow velocity All of these Rate of heat transfer Turbulence of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
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