Practice Test: Question Set - 08
1. Pick out the false statement pertaining to water treatment.
- (A) Aeration of water is effective in CO2 removal
- (B) The zeolite water softening process reduces the hardness of water by
not more than 50%
- (C) Sodium sulphate or sodium carbonate do not cause hardness in water
- (D) Water with pH value less than 7, is acidic
2. Cation exchanger is regenerated usually with
- (A) NaOH
- (B) H2SO4
- (C) Hydrazine
- (D) Alum solution
3. Which of the following is not an insecticide?
- (A) Hydrocyanic acid
- (B) Nicotine
- (C) Sodium fluoride
- (D) Hexane
4. Nylon-6 is manufactured from
- (A) Caprolactam
- (B) Hexamethylene diamine and adipic acid
- (C) Hexamethylene diamine and Maleic anhydride
- (D) Hexamethylene diamine and Sebacic acid
5. Catalyst used in the oxidation of benzene to produce Maleic anhydride is
- (A) V2O5
- (B) Pt
- (C) Ni
- (D) Cr
6. Fat splitting catalyst is
- (A) CaCO3
- (B) ZnO
- (C) Al2O3
- (D) Fe
7. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
- (A) Gives higher conversion efficiency
- (B) Has a longer life and is not poisoned by arsenic
- (C) Handles lower SO2 content gas (7 -10% SO2),
thus increasing the capital cost of the plant
- (D) All (a), (b) and (c)
8. Poly Vinyl Chloride (P.V.C.) is a __________ material.
- (A) Thermosetting
- (B) Thermoplastic
- (C) Fibrous
- (D) Chemically active
9. __________ acid is the main constituent of cotton seed oil.
- (A) Acetic
- (B) Linoleic
- (C) Palmitic
- (D) Oleic
10. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
- (A) Coke breeze
- (B) Lime powder
- (C) Silica/quartz
- (D) Dolomite
11. Sugar content in sugarcane on cane basis is about __________ percent by weight.
- (A) 1 to 5
- (B) 5 to 10
- (C) 15 to 20
- (D) 20 to 30
12. Glauber's salt is chemically
- (A) Calcium sulphate
- (B) Potassium sulphate
- (C) Potassium chlorate
- (D) None of these
13. Hydrazine is used in water treatment for the removal of
- (A) Colloidal impurities
- (B) Dissolved oxygen
- (C) Turbidity
- (D) Chlorinous taste
14. Sulphuric acid completely saturated with sulphur trioxide is called
- (A) Concentrated sulphuric acid
- (B) Oleum
- (C) Sulphurous acid
- (D) Dilute sulphuric acid
15. __________ glass is used for the manufacture of optical glass.
- (A) Pyrex
- (B) Soda
- (C) Flint
- (D) Crooke's
Next Tests:
Blogger Comment
Facebook Comment