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.

A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called___________________?

A Cesspool

B Lagoon

C Skimming mill

D Septic tank

Review Detailed Answer

Correct Answer: Septic tank

The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about ____________ decibels?

A 60

B 90

C 105

D 120

Review Detailed Answer

Correct Answer: 90

Maximum permissible residual chlorine in treated water should be ____________ mg/litre?

A 0.001 to 0.01

B 0.2 to 0.3

C 2 to 3

D 5 to 10

Review Detailed Answer

Correct Answer: 0.2 to 0.3

Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes___________________?

A Asphyxiation (suffocation)

B Shortness of breath

C Tuberculosis

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

In a sedimentation tank, the detention period for water ranges from _____________ hours?

A 2 to 4

B 8 to 12

C 16 to 20

D 24 to 32

Review Detailed Answer

Correct Answer: 2 to 4

Inorganic impurities causing water pollution is ____________________?

A Fats

B Carbohydrates

C Salts of metals

D Protein

Review Detailed Answer

Correct Answer: Salts of metals

Ringelmann chart is used for the evaluation of _____________ pollution?

A Air

B Water

C Noise

D Radioactive

Review Detailed Answer

Correct Answer: Air

Which of the following is not a source of ozone emission in the atmosphere?

A Refrigerators

B Xerox machines

C Dermatological photo-therapy equipments

D High voltage electrical equipments

Review Detailed Answer

Correct Answer: Refrigerators

Photochemical smog is formed from automobile exhaust ________________?

A By reaction of hydrocarbon & nitric oxide in presence of sunlight

B Appears only on sunny days

C Is harmful for crops and trees also besides causing eye irritation & asthma

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Inhalation of silica dust by human being causes ___________________?

A Asphyxiation

B Shortness of breath

C Tuberculosis

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called___________________?

The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about ____________ decibels?

Maximum permissible residual chlorine in treated water should be ____________ mg/litre?

Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes___________________?

In a sedimentation tank, the detention period for water ranges from _____________ hours?

Inorganic impurities causing water pollution is ____________________?

Ringelmann chart is used for the evaluation of _____________ pollution?

Which of the following is not a source of ozone emission in the atmosphere?

Photochemical smog is formed from automobile exhaust ________________?

Inhalation of silica dust by human being causes ___________________?