Chemical Process Modelling and Computer Simulation MCQ - Set 35 - ObjectiveBooks

Chemical Process Modelling and Computer Simulation MCQ - Set 35

Practice Test: Question Set - 35

1. Dehydrogenation of ethyl benzene produces
    (A) Styrene
    (B) Naphthalene
    (C) Phenol
    (D) Benzoic acid

2. Oil is a/an
    (A) Mixture of glycerides
    (B) Mixture of glycerides of fatty acids
    (C) Solid at normal temperature
    (D) Ester of alcohols other than glycerine

3. Main use of hydrazine is
    (A) As a rocket fuel
    (B) In water treatment
    (C) As a disinfectant
    (D) As fire retardant

4. Raw materials for 'Solvay Process' for manufacture of the soda ash are
    (A) Salt, limestone and coke or gas
    (B) Ammonia, salt and limestone
    (C) Ammonia limestone and coke
    (D) None of these

5. The function of gypsum addition during cement making is to
    (A) Increase the density of cement
    (B) Decrease the cement setting rate
    (C) Both (a) and (b)
    (D) Neither (a) nor (b)

6. Sodium bisulphite is used for __________ water.
    (A) Deaeration
    (B) Dechlorination
    (C) Both (a) & (b)
    (D) Neither (a) nor (b)

7. Catalyst used in the hydrogenation of oil is
    (A) Nickel
    (B) Platinum
    (C) Iron
    (D) Alumina

8. Which of the following is the purest form of water out of the following?
    (A) Underground water
    (B) Rain water
    (C) Well water
    (D) Lake water

9. The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
    (A) Alumina
    (B) Silica gel
    (C) Platinum
    (D) Nickel

10. Chemical name of soda ash is
    (A) Sodium bicarbonate
    (B) Sodium thiosulphate
    (C) Potassium carbonate
    (D) None of these

11. 10% oleum comprises of 10% free
    (A) SO2
    (B) H2SO3
    (C) SO3
    (D) H2SO4

12. __________ are added in lacquers to remove film brittleness and to improve adhereness.
    (A) Film forming materials
    (B) Plasticisers
    (C) Diluents
    (D) Solvents

13. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).
    (A) 1
    (B) 10
    (C) 25
    (D) 40

14. DDT should not be allowed to come in contact with iron (during its manufacture) to
    (A) Avoid its decomposition
    (B) Prevent sulphonation of the monochlorobenzene by the acid catalyst
    (C) Achieve non-hygroscopic property
    (D) None of these

15. Alum is commercially produced from
    (A) Gypsum
    (B) Feldspar
    (C) Galena
    (D) Bauxite

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