In a backward feed multiple effect evaporator

Related MCQs

• A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides
• The advantage of backward feed multiple effect evaporators over forward feed units is that
• Fqra cold viscous feed, backward feed gives __________ than forward feed.
• A multiple effect evaporator as compared to a single effect evaporator of the same capacity has
• A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because
• In a forward feed multiple effect evaporator, the pressure is
• In a forward feed multiple effect evaporator unit
• For the same heat transfer area and the terminal conditions, the ratio of the capacities of a single effect evaporator to a triple effect evaporator is
• It is desired to concentrate a 20% salt solution (20 kg of salt in 100 kg of solution) to a 30% salt solution in an evaporator. Consider a feed of 300 kg/min at 30°C. The boiling point of the solution is 110°C, the latent heat of vaporisation is 2100 kJ/kg and the specific heat of the solution is 4 kJ/kg.K. The rate at which the heat has to be supplied in (kJ/min) to the evaporator is
• In a multiple effect evaporator, the effect of boiling point elevation is to