MCQsDrive | MCQsDrive

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.

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

There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?

A Mercury

B Arsenic

C Aluminium

D Lead

Review Detailed Answer

Correct Answer: Aluminium

Oxidation of ammonia is________________?

A Exothermic

B Endothermic

C Non-catalytic

D Autocatalytic

Review Detailed Answer

Correct Answer: Exothermic

In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process___________________?

A Uses lower grade phosphate rock

B Requires lower capital investment in the plant

C Produces lower purity acid

D Is very costly

Review Detailed Answer

Correct Answer: Produces lower purity acid

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it___________________?

A Has a pungent smell

B Vaporises at normal temperature

C Is toxic and highly corrosive

D Is in short supply

Review Detailed Answer

Correct Answer: Vaporises at normal temperature

Showing 851 to 860 of 9594 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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 __________________?

There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?

Oxidation of ammonia is________________?

In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process___________________?

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it___________________?