Question

Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of

a.

graphite powder

b.

thoria

c.

zircon powder

d.

beryllium

Answer: (c).zircon powder

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. In reverberatory furnace, charge is heated mainly by

Q. An example of a periodic furnace is the

Q. Ostwald charts are meant for

Q. Maximum heat transfer in high temperature furnaces is by

Q. Fuel used in B.F. stove is

Q. Tunnel kilns are usually used for

Q. The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent.

Q. Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by

Q. Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by

Q. Which of the following is a natural draft furnace ?

Q. To reduce the stack loss, heat recovery from flue gas can be done by

Q. Large tonnage of refractory bricks are dried in a

Q. Pulverised fuel fired furnaces employ __________ fuel firing.

Q. Which of the following is not a directly fired furnace ?

Q. Heat transfer rate to the stock/charge in the furnace does not depend upon the

Q. Power required in case of forced draught as compared to induced draught (for the same draught produced) is

Q. Means for giving direction to the circulation of gases in furnaces are

Q. The amount of combustible escaping uncon-sumed from the furnace, depends upon the

Q. Cement Kiln is a

Q. In a furnace employing forced draught as compared to induced draught,

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!