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.

Fresh domestic sewage is _______________ in color?

A Grey

B Dark brown

C Red

D Black

Review Detailed Answer

Correct Answer: Grey

Aerosols present in atmospheric air may be__________________?

A Positively charged

B Negatively charged

C Neutral

D Combination of all A., B. & C.

Review Detailed Answer

Correct Answer: Combination of all A., B. & C.

Noise level inside a jet airliner in normal flight is about ______________ decibels?

A 80

B 100

C 125

D 150

Review Detailed Answer

Correct Answer: 100

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?

A Hydrogen

B Carbon dioxide

C Ozone

D None of these

Review Detailed Answer

Correct Answer: Ozone

Fluorosis is caused due to the presence of excessive amount of ______________ in drinking water?

A Mercury

B Lead

C Fluoride

D Arsenic

Review Detailed Answer

Correct Answer: Fluoride

Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) ?

A Acts as a green house gas thereby raising earth’s temperature

B Causes asphyxia

C Causes increase in sea level

D Enhances the green house effect

Review Detailed Answer

Correct Answer: Causes asphyxia

Soluble silica present in boiler feed water can be removed by______________________?

A Coagulation

B Filtration

C Anion exchanger

D Preheating it

Review Detailed Answer

Correct Answer: Anion exchanger

Maximum permissible limit of mercury in human blood is ______________ micrograms/100 c.c?

A 1

B 7

C 19

D 82

Review Detailed Answer

Correct Answer: 7

Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gasair mixture), rendering it the property of the most explosive gas ?

A Hydrogen

B Acetylene

C Carbon monoxide

D Ammonia

Review Detailed Answer

Correct Answer: Acetylene

Brown spots in fabrics will be caused by washing with water containing large amount of___________________?

A Iron

B Zinc

C Iodine

D Bromine

Review Detailed Answer

Correct Answer: Iron

Showing 131 to 140 of 273 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Fresh domestic sewage is _______________ in color?

Aerosols present in atmospheric air may be__________________?

Noise level inside a jet airliner in normal flight is about ______________ decibels?

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?

Fluorosis is caused due to the presence of excessive amount of ______________ in drinking water?

Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) ?

Soluble silica present in boiler feed water can be removed by______________________?

Maximum permissible limit of mercury in human blood is ______________ micrograms/100 c.c?

Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gasair mixture), rendering it the property of the most explosive gas ?

Brown spots in fabrics will be caused by washing with water containing large amount of___________________?