Q. Beehive coke oven

View solution

Q. Turndown ratio of a gas burner is equal to the

View solution

Q. In high temperature carbonisation (as compared to low temperature carbonisation) of coal

View solution

Q. Anthracite coal

View solution

Q. Number of macrocomponents present in coal according to Stopes are

View solution

Q. The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

View solution

Q. Yield of charcoal in high temperature carbonisation of wood is about __________ percent.

View solution

Q. Orsat apparatus is meant for

View solution

Q. Pick out the wrong statement.

View solution

Q. Compound coke ovens are those which can be heated by

View solution

Q. Assam coals suffers mainly from the disadvantage of high __________ content.

View solution

Q. Preheating of coal charge for the coke ovens reduces the

View solution

Q. Which of the following coke has the least percentage of ash ?

View solution

Q. Soft coke is not

View solution

Q. Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as

View solution

Q. Blast furnace gas constitutes mainly of

View solution

Q. A good coking coal should have high __________ content.

View solution

Q. Which of the following is not a binder for coal briquetting ?

View solution

Q. The liquid used for the washing of coal in an industrial coal washery is a mixture of water and

View solution

Q. Spontaneous combustion of coal on storage results due to

View solution