A particular coal is said to be free burning when it __________________?

Related Mcqs:

The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be___________________?

A. 27.6 B. 23 C. 47.3 D. 42.9...

Coals used for the generation of producer gas should have ____________________?

A. High caking index B. Low fusion point of ash C. High volatile matter content D. Very low ash content (8-10%)...

Purity of coke means that, it is high in carbon and low in __________________?

A. Volatiles B. Ash C. Iron D. Moisture...

Calorific value of wood gas is about ______________ kcal/Nm3?

A. 1500 B. 3300 C. 5400 D. 8500...

Out of the following fuels, the difference between the net and gross calorific value is maximum in case of_________________?

A. Pitch B. Fuel oil C. Blast furnace gas D. Bituminous coal...