Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Abundance & high heat capacity Low density Low viscosity High fluidity Abundance & high heat capacity Low density Low viscosity High fluidity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted None of these An oily surface Only in presence of air When both the steam and the tube are clean None of these An oily surface Only in presence of air When both the steam and the tube are clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Crystallisation of solids from a homogeneous solution is a/an __________ process. Highly endothermic Mildly endothermic None of these Exothermic Highly endothermic Mildly endothermic None of these Exothermic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation monochromatic Both total & monochromatic None of the listed here total monochromatic Both total & monochromatic None of the listed here total ANSWER DOWNLOAD EXAMIANS APP
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 Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference None of these Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference None of these ANSWER DOWNLOAD EXAMIANS APP