Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Vacuum Backward feed None of these High pressure Vacuum Backward feed None of these High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called film boiling nucleate boiling all of the listed here vapour binding film boiling nucleate boiling all of the listed here vapour binding ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 43834 4 2 43832 43834 4 2 43832 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Both solids & liquids Solids Liquids Gases Both solids & liquids Solids Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Planck's None of these Wien's displacement Stefan-Boltzman's Planck's None of these Wien's displacement Stefan-Boltzman's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Rate of crystallisation does not depend upon the Turbulence within the solution Extent of supersaturation None of these Number and active surface area of the crystals Turbulence within the solution Extent of supersaturation None of these Number and active surface area of the crystals ANSWER DOWNLOAD EXAMIANS APP