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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.

Siderosis is a disease caused by the inhalation of ______________ dust?

A Coal

B Silica

C Iron

D None of these

Review Detailed Answer

Correct Answer: Iron

Lagooning process is mainly a means of the__________________?

A Sludge disposal

B Reduction of excessive flow in sewers

C Biological treatment of wastes

D None of these

Review Detailed Answer

Correct Answer: Sludge disposal

‘Particulate’ air pollutants are finely divided solids and liquids. Which of the following is not a „particulate‟ ?

A Dust & mists

B Smoke & fumes

C Photochemical smog & soot

D None of these

Review Detailed Answer

Correct Answer: None of these

During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?

A Idle running

B Acceleration

C Cruising

D Deceleration

Review Detailed Answer

Correct Answer: Idle running

Carbon monoxide is a pollutant, which causes_________________?

A Respiratory disease (e.g. asthma)

B Asphyxiation (suffocation) leading to death

C Retardation in crop growth

D Damage to building materials like marble

Review Detailed Answer

Correct Answer: Asphyxiation (suffocation) leading to death

In water treatment, alum [Al2(SO4)3] is used for the process of __________________?

A Filtration

B Coagulation

C Sedimentation

D Disinfection

Review Detailed Answer

Correct Answer: Coagulation

Which of the following is not a secondary air pollutant ?

A Ozone

B Photochemical smog

C Sulphur dioxide

D All A., B. & C.

Review Detailed Answer

Correct Answer: Sulphur dioxide

Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?

A Dust catcher (gravity type)

B Cyclone separator

C Bag filter

D Hollow wet scrubber

Review Detailed Answer

Correct Answer: Dust catcher (gravity type)

Shouting by a man at his full voice corresponds to a voice level of about _____________ decibels?

A 25

B 50

C 80

D 120

Review Detailed Answer

Correct Answer: 80

Acute danger to human life (i.e. death) exists, if the concentration of CO2 in atmospheric air exceeds ______________ percent (by volume)?

A 1

B 3

C 7

D 20

Review Detailed Answer

Correct Answer: 20

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Siderosis is a disease caused by the inhalation of ______________ dust?

Lagooning process is mainly a means of the__________________?

‘Particulate’ air pollutants are finely divided solids and liquids. Which of the following is not a „particulate‟ ?

During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?

Carbon monoxide is a pollutant, which causes_________________?

In water treatment, alum [Al2(SO4)3] is used for the process of __________________?

Which of the following is not a secondary air pollutant ?

Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?

Shouting by a man at his full voice corresponds to a voice level of about _____________ decibels?

Acute danger to human life (i.e. death) exists, if the concentration of CO2 in atmospheric air exceeds ______________ percent (by volume)?