Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. It is unsuitable for concentrating those liquids, which form a scale or deposit salt Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube It is unsuitable for concentrating those liquids, which form a scale or deposit salt Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Spherical shaped pressure vessel is considered to be the most ideal, because it can Be designed without wind load considerations Be supported very easily Withstand higher pressure for a given metallic shell thickness Be fabricated very easily Be designed without wind load considerations Be supported very easily Withstand higher pressure for a given metallic shell thickness Be fabricated very easily ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Increases economy Both B & C Increases capacity Does not affect the capacity Increases economy Both B & C Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)5/3 (1.2)3/2 (1.2)3/5 (1.2)2/3 (1.2)5/3 (1.2)3/2 (1.2)3/5 (1.2)2/3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height. 43929 88-105 17-34 52-68 43929 88-105 17-34 52-68 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. One-fourth of 2.5 times 1.25-1.50 times Less than One-fourth of 2.5 times 1.25-1.50 times Less than ANSWER DOWNLOAD EXAMIANS APP
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