A. Gross feed stream/recycle feed stream
B. Recycle stream/fresh feed stream
C. Recycle stream/gross feed stream
D. None of these
Related Mcqs:
- In a chemical process, the recycle stream is purged for______________________?
A. Increasing the product yield
B. Enriching the product
C. Limiting the inerts
D. Heat conservation - Pick out the wrong statement about the recycle stream in a process ?
A. Recycling in a process stream helps in utilising the valuable reactants to the maximum with
minimum loss of reactants
B. The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the
quantity of the same reactant entering the process as fresh feed is called combined feed ratio
C. Recycling in a process does not help in getting higher extent of reaction
D. Recycling is exemplified by refluxing back a part of the distillate to the distillation column to
maintain the quantity of liquid within the column - Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?
A. °Be = (140/G) – 130
B. °Be = 200(G-1)
C. °Be = 145 – (145/G)
D. °Be = (400/G) – 400 - Which of the following expressions defines the Baume gravity scale for liquids heavier than water ?
A. (141.5/G) – 131.5
B. 145 – (145/G)
C. 200 (G-1)
D. (400/G) – 400 - A bypass stream in a chemical process is useful, because it___________________?
A. Facilitates better control of the process
B. Improves the conversion
C. Increases the yield of products
D. None of these - Recycling in a chemical process facilitates___________________?
A. Increased yield
B. Enrichment of product
C. Heat conservation
D. All A., B. & C. - A chemical process is said to occur under unsteady state, if the_________________?
A. Inventory changes do not take place
B. Ratio of streams entering/leaving are independent of time
C. Flow rates & composition both are time dependent
D. None of these - The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids?
A. Polar
B. Non-polar
C. Both A. & B.
D. Neither A. nor B. - A ‘limiting reactant’ is the one, which decides the ____________ in the chemical reaction?
A. Equilibrium constant
B. Conversion
C. Rate constant
D. None of these - The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?
A. Increases
B. Decreases
C. Remains unchanged
D. Either A. or B.; depends on the liquid
