Which of the following is called “blue gas”?

Related Mcqs:

Mott and Wheeler test is conducted on coke to find its _____________________?

A. Reactivity with O2 B. Abradability C. Phosphorus content D. Volatile matter content...

Desirable “Micum Index” values of metallurgical coke are ___________________?

A. M40 > 78% and M10 < 10% B. M40 > 4% and M10 10% and M10 98% and M10 < 2%...

Number of macrocomponents present in coal according to Stopes are ___________________?

A. Four B. Five C. Six D. Two...

Higher fuel combustion efficiency cannot be achieved by_________________?

A. Preheating of fuel gases & combustion air B. Reducing sulphur content in the fuel C. Adopting proper fuel firing technique & fuel preparation D. Supplying correct amount of combustion air...

With increase in moisture content of coal, its_____________________?

A. Calorific value increases sometimes B. Bulk density always decreases C. Clinkering tendency during combustion increases D. None of these...