Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?

A Oxidising

B Reducing

C Complex forming

D Photochemical

Review Detailed Answer

Correct Answer: Complex forming

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?

A Depithing

B Digestion

C Bleaching

D None of these

Review Detailed Answer

Correct Answer: Depithing

Flexible foam (for mattresses) is usually made of_____________________?

A PVC

B Silicone

C Polyurethanes

D Polyamides

Review Detailed Answer

Correct Answer: Polyurethanes

Thermoplastic materials_____________________?

A Do not soften on application of heat

B Are heavily branched molecules

C Are solvent insoluble

D None of these

Review Detailed Answer

Correct Answer: None of these

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?

A Avoid mechanical weakening of fibre

B Remove lignin by way of crystallisation

C Increase the cellulose content

D None of these

Review Detailed Answer

Correct Answer: Avoid mechanical weakening of fibre

Main product in calcium carbide-water reaction is___________________?

A Ca(OH)2

B C2H2

C CO2

D CaCO3

Review Detailed Answer

Correct Answer: C2H2

The yield of tar from high temperature carbonisation of dry coal is about _______________ percent?

A 3

B 12

C 22

D 0.3

Review Detailed Answer

Correct Answer: 3

Permanent hardness of water can be removed by____________________?

A Simply boiling

B Adding alum

C Passing it through cation & anion exchangers

D All (A), B. and (C)

Review Detailed Answer

Correct Answer: Passing it through cation & anion exchangers

Bitterns is a/an_________________?

A Unsaturated fat

B Starting material for the production of iodine

C By-product of chlor-alkali industry

D None of these

Review Detailed Answer

Correct Answer: None of these

Nylon-66 is so named because the____________________?

A Average degree of polymerisation of the polymer is 1966

B Number of carbon atoms between two nitrogen atoms are 6

C Number of nitrogen atoms between two carbon atoms are 6

D Polymer was first synthesised in 1966

Review Detailed Answer

Correct Answer: Average degree of polymerisation of the polymer is 1966

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?

Flexible foam (for mattresses) is usually made of_____________________?

Thermoplastic materials_____________________?

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?

Main product in calcium carbide-water reaction is___________________?

The yield of tar from high temperature carbonisation of dry coal is about _______________ percent?

Permanent hardness of water can be removed by____________________?

Bitterns is a/an_________________?

Nylon-66 is so named because the____________________?