‘Mixed gas’ used in steel plants is a mixture of___________________?

Related Mcqs:

In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?

A. Transportation of coal B. Drying of coal C. Combustion of coal by supplying it around the burner D. Preheating the primary air...

Which is the most matured coal ?

A. Lignite B. Bituminous C. Semi-anthracite D. Anthracite...

A coal having higher volatile matter content, has lower_________________?

A. Smoking tendency on burning B. Coke oven gas yield on carbonisation C. Chance of catching fire during storage in open space D. Ignition temperature...

Which of the following has the highest calorific value ?

A. Lignite B. Sub-bituminous coal C. Anthracite D. Peat...

In high temperature carbonisation (as compared to low temperature carbonisation) of coal___________________?

A. Coke oven gas yield is more B. Tar yield is less but free carbon in tar is more C. Calorific value of coke oven gas is less D. All A., B. and C....