Chemical Process Quality Engineer Objective Practice Test - Set 16 - ObjectiveBooks

Chemical Process Quality Engineer Objective Practice Test - Set 16

Practice Test: Question Set - 16


1. Sulphur addition in soap is done to
    (A) Improve the soap texture
    (B) Cure pimples & dandruff
    (C) Fasten lather formation
    (D) Increase its cleansing action

2. Polymerization product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called
    (A) Polyurethane
    (B) Silicone
    (C) Teflon
    (D) Epoxy resin

3. Glass is
    (A) Mainly CaO
    (B) Subjected to galvanizing
    (C) A super cooled liquid
    (D) All (a), (b) and (c)

4. CaCl(OCl) is the chemical formula of
    (A) Hypo
    (B) Bleaching powder
    (C) Plaster of Paris
    (D) Aqua regia

5. In sulphate pulp manufacture, the pressure and temperature in the digestor is
    (A) 10 atm., 800 °C
    (B) 10 atm., 170-180°C
    (C) 1 atm., 170 - 180°C
    (D) 1 atm., 800°C

6. Pick out the wrong statement.
    (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%
    (B) Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%
    (C) 75% oleum can be produced by distillation of 20% oleum
    (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

7. The basic constituent of vegetable oils is
    (A) Triglyceride
    (B) Fatty acids
    (C) Fatty alcohol
    (D) Mono esters

8. Bio-degradable detergents
    (A) Can be readily oxidized
    (B) Pose problem in sewerage plant
    (C) Have an isoparaffinic structure
    (D) Should not be used as it spoils the cloth

9. Fusion of bauxite and __________ produces high alumina cement.
    (A) Alum
    (B) Limestone
    (C) Coke
    (D) Quartz

10. Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.
    (A) Lead
    (B) Borosilicate
    (C) Soda lime
    (D) Alkali silicate

11. __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
    (A) Phosphates
    (B) Chromates
    (C) Sulphates
    (D) Bi-carbonates

12. Polymethyl methacrylate (PMMA) is known as
    (A) Bakelite
    (B) Teflon
    (C) Perspex
    (D) Nylon-6

13. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
    (A) C
    (B) CO
    (C) CO2
    (D) H2

14. Function of thinner in a paint is to
    (A) Accelerate the oxidation of oil
    (B) Prevent gelling of the paint
    (C) Suspend pigments & dissolve film forming materials
    (D) Form a protective film

15. Which of the following is not responsible for causing permanent hardness of water?
    (A) Ca(HCO3)2
    (B) CaCl2
    (C) MgCl2
    (D) None of these

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