Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Horizontal tube evaporator Calenderia vertical tube evaporator Agitated film evaporator Long vertical evaporator Horizontal tube evaporator Calenderia vertical tube evaporator Agitated film evaporator Long vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for cold viscous feed? Forward feed Mixed feed Parallel feed Backward feed Forward feed Mixed feed Parallel feed Backward feed ANSWER DOWNLOAD EXAMIANS APP
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 High pressure None of these Vacuum Backward feed High pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/2 St = 4f St = f/4 St = f1/2 St = f/2 St = 4f St = f/4 St = f1/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? 1 < 1 >1 0.1 1 < 1 >1 0.1 ANSWER DOWNLOAD EXAMIANS APP
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