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

View solution

Q. In reverberatory furnace, charge is heated mainly by

View solution

Q. An example of a periodic furnace is the

View solution

Q. Ostwald charts are meant for

View solution

Q. Maximum heat transfer in high temperature furnaces is by

View solution

Q. Fuel used in B.F. stove is

View solution

Q. Tunnel kilns are usually used for

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Large tonnage of refractory bricks are dried in a

View solution

Q. Pulverised fuel fired furnaces employ __________ fuel firing.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Cement Kiln is a

View solution