Question

Prime coking coal is always blended with medium or non- coking coal before ear-bonisation

a.

to check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls.

b.

because, it alone produces unreactive coke.

c.

both (a) and (b).

d.

neither (a) nor (b).

Posted under Basic Chemical Engineering

Answer: (c).both (a) and (b).

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Prime coking coal is always blended with medium or non- coking coal before ear-bonisation
Add Comment

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Actual flame temperature is always lower than the adiabatic flame temperature, because there is

View solution

Q. Coke oven gas consists mainly of

View solution

Q. Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³ .

View solution

Q. Coking coals are invariably

View solution

Q. Which of the following accounts for maximum energy loss in a boiler ?

View solution

Q. 'Fuel' can be defined as a substance which produces heat by

View solution

Q. Washing of coal

View solution

Q. Which of the following is not a manufactured fuel ?

View solution

Q. Coke oven gas constitutes mainly of

View solution

Q. Gross heating value of coal is __________ the net heating value.

View solution

Q. Which of the following is a rich fuel gas ?

View solution

Q. Low temperature carbonisation of coal produces

View solution

Q. Blast furnace coke is made from coal by

View solution

Q. Yield of blast furnace gas is about __________ Nm³ /ton of pig iron.

View solution

Q. Coke oven gas is stripped of its H₂S and mercaptans content by

View solution

Q. In Lurgi coal gasifier,

View solution

Q. Mineral matter content (M) and ash content (A) in coal are approximately related as

View solution

Q. Use of pulverised coal in boiler furnace provides

View solution

Q. Deficiency of combustion air during combustion of a gaseous fuel

View solution

Q. Froth floatation is used for

View solution
View All MCQs on Basic Chemical Engineering

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!

Chemistry

Unlock the mysteries of chemistry with our Chemistry category. Delve into the...

Biochemistry

Delve into the intricate world of Biochemistry with our Biochemistry category....

UIDAI Aadhaar Supervisor Certification

Prepare for the UIDAI Aadhaar Supervisor Certification with our specialized category....

Total Quality Management

Enhance your understanding of quality management with our Total Quality Management...

Analytical Instrumentation

Dive into the world of precise measurements with our Analytical Instrumentation...

Automotive Engine Design

Embark on a thrilling exploration of Automotive Engine Design, where the intricacies...

Non Verbal Reasoning

Enhance your cognitive abilities with our Non-Verbal Reasoning category. Dive into...

IC 14 Regulations of Insurance Business

Prepare for the IC 14 Regulations of Insurance Business exam with our focused set of...

Mechanical Engineering

Explore the world of Mechanical Engineering with our specialized category. Dive into...