Calorific value of a typical dry anthracite coal may be around _____________ Kcal/kg?

Related Mcqs:

Percentage of carbon monoxide in blast furnace gas may be around ____________________ ?

A. 8 B. 14 C. 22 D. 52...

A carbonaceous fuel (containing no H2 or hydrocarbons) is burnt and the resulting flue gas contains 21% CO2. It means that___________________?

A. 21% excess air has been used for combustion B. 21% excess oxygen has been used for combustion C. Complete combustion of fuel has taken place D. No excess air has been used for combustion...

Which of the following fuel gases is heavier than air ?

A. Blast furnace gas B. Coke oven gas C. Natural gas D. Water gas...

Which of the following can be made into briquettes without the use of a binder ?

A. Lignite B. Bituminous coal C. Anthracite coal D. None of these...

A coal with high ash content___________________?

A. Has higher calorific value B. Is harder and stronger C. Is not subjected to washing D. Has low quantity of mineral matter...