During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the____________________?

Related Mcqs:

‘Wind loss’ resulting from unscientific storage of coal may be the order of about _____________ percent?

A. 2.5 B. 7.5 C. 10.5 D. 14.5...

Which of the following has the highest calorific value (kcal/Nm3) ?

A. Carburetted water gas B. Gobar gas C. Natural gas D. LPG...

The cooling medium used in dry quenching of coke is___________________?

A. Nitrogen B. Air C. Phenolic water D. Carbon dioxide...

Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the___________________?

A. Requirement of large volume combustion chamber B. Risk of explosion C. Chances of clinker formation D. Incomplete combustion of coal...

Assam (India) coals suffers mainly from the disadvantage of high ______________ content?

A. Ash B. Volatile matter C. Sulphur (4-6%) D. Moisture...