Q. Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use.

View solution

Q. Kopper-Totzek coal gasifier

View solution

Q. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of

View solution

Q. Largest constituent of coke oven gas is

View solution

Q. Fussain

View solution

Q. Producer gas comprises mainly of

View solution

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

View solution

Q. Which of the following fuels is generally not used in thermal power plant boiler firing?

View solution

Q. A sooty flame can be made non-luminous by

View solution

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