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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.

In water treatment plant, zeolite process is used to remove the _____________ of water?

A Acidity

B Alkalinity

C Hardness

D Iron & zinc

Review Detailed Answer

Correct Answer: Hardness

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________________?

A Of clotting of blood

B Of jamming of respiratory tract

C It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it

D It forms CO2 by combining with oxygen present in the blood

Review Detailed Answer

Correct Answer: It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it

A shallow pond in which the sewage is retained and biologically treated is called__________________?

A Oxidation

B Imhoff tank

C Lagoon

D Skimming tank

Review Detailed Answer

Correct Answer: Oxidation

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by__________________?

A Biological oxygen pond

B Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)

C Lagoons

D Filtration

Review Detailed Answer

Correct Answer: Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)

Inhalation of silica dust causes a disease called__________________?

A Bronchitis

B Silicosis

C Pneumoconiosis

D None of these

Review Detailed Answer

Correct Answer: Silicosis

Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called__________________?

A Grit

B Dust

C Powder

D Smoke

Review Detailed Answer

Correct Answer: Grit

Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal ?

A By chemical coagulation

B In sedimentation tanks equipped with mechanical scrapper

C In vacuum filter

D In clarifiers

Review Detailed Answer

Correct Answer: In sedimentation tanks equipped with mechanical scrapper

Removal of ______________ is accomplished by aeration of water?

A Dissolved gases

B Suspended solids

C Dissolved solids

D None of these

Review Detailed Answer

Correct Answer: Dissolved gases

Which of the following pollutants, if present in atmosphere is detectable by its odour ?

A CO

B SO2

C NO2

D CO2

Review Detailed Answer

Correct Answer: SO2

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre) ?

A Lagooning

B Activated carbon adsorption

C Biological oxidation pond

D Chemical coagulation

Review Detailed Answer

Correct Answer: Activated carbon adsorption

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In water treatment plant, zeolite process is used to remove the _____________ of water?

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________________?

A shallow pond in which the sewage is retained and biologically treated is called__________________?

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by__________________?

Inhalation of silica dust causes a disease called__________________?

Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called__________________?

Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal ?

Removal of ______________ is accomplished by aeration of water?

Which of the following pollutants, if present in atmosphere is detectable by its odour ?

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre) ?