Chemical Process Reactor Types Multiple Choice Questions - Set 26 - ObjectiveBooks

Chemical Process Reactor Types Multiple Choice Questions - Set 26

Practice Test: Question Set - 26

1. Coke used for the production of calcium carbide should have
    (A) Low ash content
    (B) Low ignition temperature
    (C) High electrical resistivity
    (D) All (a), (b) and (c)

2. Pick out the wrong statement.
    (A) Kraft method of pulp manufacture can process all types of fibrous raw materials
    (B) Digestion time for bagasse is less than that for wood base materials
    (C) Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method
    (D) None of these

3. The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
    (A) Exothermic
    (B) Endothermic
    (C) Catalytic
    (D) Autocatalytic

4. Hydrogenation of edible vegetable oils
    (A) Is an exothermic reaction
    (B) Increases their melting point
    (C) Is done in presence of nickel catalyst
    (D) All (a), (b) and (c)

5. H2S is scrubbed from refinery gases by absorption using
    (A) Dilute H2SO4
    (B) Ethanol amine
    (C) Chilled water
    (D) Tri-butyl phosphate

6. Which of the following is an endothermic reaction?
    (A) Absorption of SO3 in 98% H2SO4
    (B) C + H2O = CO + H2
    (C) Thermal dissociation of iron pyrites
    (D) Both (b) and (c)

7. Pasteurisation of milk means
    (A) Removal of fatty and albuminous substance from it
    (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
    (C) Inhibiting the growth of micro-organisms without killing them
    (D) None of these

8. Alcohol is produced by the
    (A) Oxidation of an aldehyde
    (B) Hydrolysis of an ether
    (C) Esterification of a fat
    (D) None of these

9. Sucrose is a disaccharide consisting of
    (A) Glucose and glucose
    (B) Glucose and fructose
    (C) Glucose and galactose
    (D) Fructose and galactose

10. Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
    (A) Color
    (B) Turbidity
    (C) Bacteria
    (D) All (a), (b) and (c)

11. All enzymes are made of
    (A) Fats
    (B) Carbohydrates
    (C) Proteins
    (D) Amino acids

12. Main constituent of dolomite is
    (A) CaCO3
    (B) MgCO3
    (C) K2CO3
    (D) Na2CO3

13. Essential oils are usually obtained using
    (A) Steam distillation
    (B) Extractive distillation
    (C) Solvent extraction
    (D) Leaching

14. Nickel is not used as a catalyst in the __________ reaction.
    (A) Shift conversion
    (B) Oil hydrogenation
    (C) Steaming reforming of naphtha
    (D) Ammonia cracking/dissociation

15. Which of the following is an organometallic compound?
    (A) Isopropyl alcohol
    (B) Tetra-ethyl lead
    (C) Zeolite
    (D) Cumene

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