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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.

Turbidity of water is an indication of the presence of__________________?

A Suspended inorganic matter

B Dissolved solids

C Floating solids

D Dissolved gases

Review Detailed Answer

Correct Answer: Suspended inorganic matter

‘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

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?

A Reynold stresses

B Shear forces

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Turbidity of water is an indication of the presence of__________________?

‘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)?

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?