Related Questions

In sweetening process, solutizer agent used with caustic alkali is
A Potassium isobutyrate
B Sodium plumbite
C Methanol
D Phenol
Doctor's solution used for sweetening of petroleum products is
A Sodium plumbite
B Sodium sulphite
C Sodium thiosulphate
D Lead sulphate
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
A Bauxite
B Fuller's earth
C Activated clay
D All of the above
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
A Enhances the desulphurisation process
B Minimises coke formation
C Both A & B
D Neither A nor B
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
Sweetening of petroleum product means the removal of
A Sulphur & its compounds
B Water
C Organic impurities
D Wax
In transportation model of O R once an initial solution has been found, the next step is to test that solution for optimality. The methods widely used for testing the solution are:
A Stepping Stone Method
B Modified Distribution Method
C Both of the above
D Slack variable method
E None of the above
A shopkeeper combined X liters of a solution containing 10% of certain material Q, with 10 liters of another solution that contained 2% of that materiale Q, to produce Z liters of a solution that had 5% of Q. What is the value of X?
A 5 liters
B 6 liters
C 7 liters
D 8 liters

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