Q. A coal that softens and fuses on heating is

View solution

Q. Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction ?

View solution

Q. 'Mixed gas' used in steel plants is a mixture of

View solution

Q. __________ process is meant for direct hydrogenation of coal to produce liquid fuel.

View solution

Q. Producer gas containing least amount of tar is produced by the

View solution

Q. Air/gas ratio for complete combustion will be the highest for

View solution

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