15春西交《化工分离过程》在线作业满分答案(国外英文资料).doc

15春西交《化工分离过程》在线作业满分答案(国外英文资料) Openg 15 spring the process of chemical separation process Exam time: 100 test time: Single topic selection True or false (40 questions, 80 points.) 1. The adiabatic flash process, when the flow of feed composition and the thermal state after a given by the degree of freedom analysis, only one degree of freedom set by flash tank, is should also establish a condition is () The temperature of the flask The pressure of a flash can C. vaporization rate Choose one of them Full marks: 2 2. A. B. C. D. Full marks: 2 Where the two difficult volatilizes are divided into key groups, the starting point is to calculate (). A. The top is down Tower still C. Both ends at the same time Full marks: 2 The following description of the adsorption process is not correct (). A. its long been known, but its not industrialized B. you can separate the gas mixture C. unable to separate liquid mixture D. Is the mass transfer process Full marks: 2 Countercurrent packing absorption tower, when the absorption factor A 1 and the stuffing is infinite, where the gas liquid will be balanced (). A. the tower B. bottom C. tower department D. tower outside Full marks: 2 The following description of the adsorbent is not correct () The molecular sieve can be used as an adsorbent B. porous solid C. the surface area is larger than the inner surface area D. adsorption capacity is limited Full marks: 2 Adsorption isotherm is the relationship curve () between which parameters and the adsorption of the adsorption, or concentration, are under different temperatures. A. balance adsorption B. the adsorption quantity Full adsorption capacity D. Maximum adsorption Full marks: 2 In the absorption operation, the measures should be taken to improve the relative absorption of key components Increase stress Raise temperature Increase the ratio of liquid to liquid Increase the number of plates Full marks: 2 Simple rectifying tower means A. there is A separation device between A middle rebo