chemical engineering chemical process MCQs – Page 27

Practise multiple-choice questions from chemical engineering chemical process for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering chemical process Mcqs
521. Oils and fats are converted to soap in a process called _________________?
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A. Esterification

B. None of these

C. Hydrogenation

D. Saponification
522. Polycaprolactam is commercially known as___________________?
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A. Nylon-66

B. Nylon-6

C. Dacron

D. Rayon

523. Sodium chloride content in sea water is about _______________ gms/liter?
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A. 2

B. 25

C. 10

D. 50

524. Polyvinyl chloride (PVC) is____________________?
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A. Made by employing emulsion polymerisation

B. A thermosetting material

C. A condensation polymerisation product

D. None of these

525. A unit process is exemplified by the___________________?
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A. Humidification

B. Distillation

C. Absorption

D. Hydrogenation of oils
526. In primitive days, _____________ was being manufactured by Leblanc Process ?
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A. Washing soda

B. Alum

C. Soda ash

D. Calcium carbide

527. The gasification reaction represented by, C + H2O = CO + H2, is a/an _________________ reaction?
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A. Catalytic

B. Autocatalytic

C. Exothermic

D. Endothermic
528. Bakelite is _________________?
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A. Same as Polytetrafluoroethylene (PTFE)

B. Same as thermosetting phenol-formaldehyde

C. Not a polymer

D. An inorganic polymer

529. Pick out the true statement pertaining to water treatment ?
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A. Application of activated carbon reduces the temporary hardness of water

B. Slow sand filters can remove colour completely

C. Normally, the turbidity is removed by adding a coagulant prior to sedimentation

D. Activated carbon can be used for taste & odour control without subsequent filtration

530. The major constituents of glass are____________________?
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A. Silica, alumina and clay

B. Sand, lime and soda ash

C. Lime, clay and soda ash

D. Silica, alumina and soda ash

531. Anion exchanger is regenerated usually with ____________________?
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A. Hydrazine

B. H2SO4

C. Alum solution

D. NaOH
532. How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln ?
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A. 1500C

B. 750C

C. 500C

D. 1000C
533. Vanillin is a type of____________________?
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A. Food preservative

B. Anti-pyretic drug

C. Dye

D. Flavour
534. The temperature in the calcium carbide furnace is _______________ C ?
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A. 200-300

B. 4000-4500

C. 2000-2200

D. 700-850

535. Hydrochloric acid is also known as_________________?
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A. Muriatic acid

B. Green acid

C. Strong organic acid

D. Oil of vitriol

536. Pick out the wrong statement ?
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A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%

B. 75% oleum can be produced by distillation of 20% oleum

C. Contact process of sulphuric acid manufacture uses nickel as the catalyst

D. Contact process of sulphuric acid manufacture produces pure acid of concentration ? 98%

537. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide________________?
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A. Decreases linearly

B. Increases linearly

C. Decreases

D. Increases

538. Which of the following is the main constituent of the mother liquor produced in salt industry ?
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A. Salt petre

B. Quick lime

C. Bromine

D. Glaubers salt

539. Which of the following is an organometallic compound ?
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A. Isopropyl alcohol

B. Cumene

C. Tetra-ethyl lead

D. Zeolite

540. Good quality of edible salt is obtained from brine by the process of__________________?
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A. Vacuum evaporation

B. Electrolysis

C. Freeze drying

D. Solar evaporation