chemical engineering chemical process MCQs – Page 16

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 Review each marked answer and report any item that may be outdated or unclear.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
301. Which glass is usually used in optical work ?
comments icon0

A. Fibre glass

B. Lead glass

C. Photo-sensitive glass

D. High silica (borosilicate) glass

302. Enamels______________________?
comments icon0

A. Do not contain pigment

B. Are prepared from non-drying oil

C. Are same as varnish

D. Give good glossy finish
303. The terminology BTX used in coal tar distillation industry refers to___________________?
comments icon0
A. Benzene-toluene-xylene

B. Benzene-toluol-xylol

C. Benzol-toluol-xylol

D. Benzol-toluene-xylene

304. Chalcopyrite is the main ore of_________________?
comments icon0

A. Tin

B. Copper

C. Lead

D. Iron

305. The amount of benzene present in pure Benzol is about _______________ percent ?
comments icon0
A. 70

B. 30

C. 90

D. 50

306. Enzymes are_________________?
comments icon0

A. Proteins with high molecular weight (around 10,000)

B. Catalyst for temperature sensitive reactions

C. Derived from living organisms

D. All A, B. and C.
307. ___________________ glass is used for the manufacture of optical glass ?
comments icon0

A. Soda

B. Pyrex

C. Flint

D. Crookes

308. Hydrazine is used in water treatment for the removal of___________________?
comments icon0

A. Colloidal impurities

B. Dissolved oxygen

C. Chlorinous taste

D. Turbidity

309. L.D. converter is used in the production of_________________?
comments icon0

A. Pig iron

B. Zinc

C. Steel

D. Copper

310. Which of the following is not an antibiotic ?
comments icon0

A. Tetracycline

B. Quinine

C. Penicillin

D. Streptomycin

311. Zeigler process__________________?
comments icon0

A. Employs very high pressure

B. Produces high density polyethylene

C. Uses no catalyst

D. Produces low density polyethylene

312. Varnish does not contain____________________?
comments icon0
A. Pigment

B. Anti-skimming agent

C. Dryer

D. Thinner

313. The main use of activated carbon in water treatment is to control ___________________?
comments icon0

A. Bacterial growth

B. Turbidity

C. None of these

D. Taste and odour
314. Refractory bricks burnt at very high temperature have got______________?
comments icon0

A. High spalling tendency

B. Greater resistance to corrosion by slags

C. None of these

D. Less resistance to corrosion by slags

315. Very fine suspended and colloidal impurities are removed from water by a process called___________________?
comments icon0

A. Softening

B. Sedimentation

C. Coagulation

D. Disinfection

316. Fusion of limestone and ______________ produces high alumina cement?
comments icon0

A. Quicklime

B. Calcite

C. Sand

D. Bauxite
317. Naphthalene is removed from coke oven gas by ________________________?
comments icon0
A. Scrubbing with wash oil

B. Absorbing in ethanolamine

C. Adsorbing on palladium

D. Passing it through electrostatic precipitator

318. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?
comments icon0
A. Avoid mechanical weakening of fibre

B. Remove lignin by way of crystallisation

C. None of these

D. Increase the cellulose content

319. Antibiotic____________________?
comments icon0

A. Is an anaesthetic

B. Inhibits/destroys the growth of microorganisms

C. Is an antimalarial

D. Is used as a pain reliever

320. The main product of high temperature carbonisation of coal is_____________________?
comments icon0

A. Tar

B. Phenol

C. Ammonia

D. Coke