Chemical Process Risk Assessment MCQ Online Test - Set 25 - ObjectiveBooks

Chemical Process Risk Assessment MCQ Online Test - Set 25

Practice Test: Question Set - 25

1. In the Lurgi coal gasifier
    (A) Coking coals cannot be used
    (B) Low carbon conversion efficiency is achieved
    (C) Entrainment of solids is higher
    (D) Large quantity of coal can be processed

2. Thermosetting materials
    (A) Are cross-linked molecules
    (B) Soften on application of heat
    (C) Are solvent soluble
    (D) None of these

3. Cement mainly contains
    (A) CaO, SiO2, Al2O3
    (B) MgO, SiO2, K2O
    (C) Al2O3, MgO, Fe2O3
    (D) CaO, MgO, K2O

4. Silicone is a/an
    (A) Thermoplastic
    (B) Inorganic polymer
    (C) Monomer
    (D) None of these

5. Claude process of gas liquefaction employs
    (A) Merely compression of gas beyond its critical pressure
    (B) Joule-Thomson expansion cooling
    (C) Heat exchange with colder stream
    (D) Adiabatic expansion against a piston or in a turbine

6. Liquor poisoning generally occurs due to the presence of __________ in it.
    (A) Ethyl alcohol
    (B) Impurities
    (C) Methyl alcohol
    (D) Carbonic acid

7. Cellulose percentage in bamboo fibre is about
    (A) 10
    (B) 20
    (C) 50
    (D) 85

8. The process involved in converting rubber into a thin sheet or coating it on fabric is called
    (A) Extrusion
    (B) Mastication
    (C) Calendaring
    (D) Vulcanization

9. Neoprene is the trade name of
    (A) Polyurethane
    (B) Phenol formaldehyde
    (C) Polychlorophrene
    (D) Styrene-butadiene rubber

10. Sulphur removal by heating of pyrite ore in presence of air is called its
    (A) Reduction
    (B) Roasting
    (C) Calcination
    (D) Smelting

11. Analgesic drugs are
    (A) Pain relievers
    (B) Antibiotics
    (C) Used in the treatment of T.B.
    (D) Used in the treatment of typhoid

12. Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
    (A) 7-14 and 14-30
    (B) 7-14 and 40-50
    (C) 14 - 30 and 40-50
    (D) 10 - 20 and 40 - 50

13. __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
    (A) Ostwald's
    (B) Bosch
    (C) Solvay
    (D) Haber's

14. Saponification number of an oil or fat
    (A) Gives an idea about its molecular weight
    (B) Is inversely proportional to its molecular weight
    (C) Detects its adulteration
    (D) All (a), (b) & (c)

15. Pick out the wrong statement. Iodine value of an oil or fat is
    (A) The number of grams of iodine taken up by 100 gm of oil or fat
    (B) A measure of its unsaturation
    (C) Helpful in findings its adulteration & its suitability for making soap
    (D) Independent of the type of oil, whether it is drying or non-drying

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