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 coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon _________________?

A Is less liable to spontaneous combustion on storage

B Is more difficult to ignite and produces a shorter flame

C Requires smaller combustion space and less secondary air

D None of these

Review Detailed Answer

Correct Answer: None of these

Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an ______________ bed gasifier?

A Entrained

B Moving

C Fixed

D Fluidised

Review Detailed Answer

Correct Answer: Entrained

Ionisation potential applied across the electrodes of electrostatic tar precipitator is around_____________________?

A 230 V AC

B 60 KV AC

C 230 V DC

D 60 KV DC

Review Detailed Answer

Correct Answer: 60 KV DC

Coal tar (produced by high temperature carbonisation) is the main source of_________________?

A Aromatic compounds

B Aliphatic compounds

C Paraffins

D Olefins

Review Detailed Answer

Correct Answer: Aromatic compounds

Hard coke is manufactured from___________________?

A Lignite

B Bituminous coal

C Semi-anthracite

D Anthracite

Review Detailed Answer

Correct Answer: Bituminous coal

Which of the following is a primary fuel ?

A Blast furnace coke

B Gasoline

C Natural gas

D Wood charcoal

Review Detailed Answer

Correct Answer: Natural gas

Coking time in narrow by-product coke ovens is around ______________ hours?

A 18

B 48

C 8

D 80

Review Detailed Answer

Correct Answer: 18

Too much of excess air in combustion results in high___________________?

A Fuel consumption for the same heat load

B Stack gas temperature

C Percentage of oxygen in flue gases

D All A., B. and C.

Review Detailed Answer

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

Washing of coal is done to reduce the_________________?

A Inherent impurities

B Adhering impurities

C Mineral matter

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

Efficient burning of anthracite coal requires______________________?

A Low preheat of air

B Fine grinding

C High excess air

D All A., B. and C

Review Detailed Answer

Correct Answer: Fine grinding

Showing 4221 to 4230 of 9594 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon _________________?

Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an ______________ bed gasifier?

Ionisation potential applied across the electrodes of electrostatic tar precipitator is around_____________________?

Coal tar (produced by high temperature carbonisation) is the main source of_________________?

Hard coke is manufactured from___________________?

Which of the following is a primary fuel ?

Coking time in narrow by-product coke ovens is around ______________ hours?

Too much of excess air in combustion results in high___________________?

Washing of coal is done to reduce the_________________?

Efficient burning of anthracite coal requires______________________?