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 None of these Backward feed High pressure Vacuum None of these Backward feed High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 And the hydrodynamic boundary layer are identical Is thicker than hydrodynamic boundary layer Disappears Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Is thicker than hydrodynamic boundary layer Disappears Is thinner than hydrodynamic boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to Stop the supply of steam Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam None of these Stop the supply of steam Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase temperature Remove condensate Increase pressure None of these Increase temperature Remove condensate Increase pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe None of these ANSWER DOWNLOAD EXAMIANS APP