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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.

The upper layer of atmosphere is called the ____________________?

A Stratosphere

B Troposphere

C Ionosphere

D None of these

Review Detailed Answer

Correct Answer: Stratosphere

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing ________________ molecules of ozone?

A 102

B 105

C 109

D 1015

Review Detailed Answer

Correct Answer: 105

The average thickness of ozone layer in stratosphere is about _______________ dobson unit (DU)?

A 20

B 230

C 750

D 1500

Review Detailed Answer

Correct Answer: 230

Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about _______________ decibels?

A 105

B 135

C 160

D 185

Review Detailed Answer

Correct Answer: 135

Disinfection of water is done to remove ______________________?

A Color

B Bad taste

C Foul odour

D Bacteria

Review Detailed Answer

Correct Answer: Bacteria

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

The upper layer of atmosphere is called the ____________________?

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing ________________ molecules of ozone?

The average thickness of ozone layer in stratosphere is about _______________ dobson unit (DU)?

Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about _______________ decibels?

Disinfection of water is done to remove ______________________?

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__________________?