The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always___________________?

Related Mcqs:

The maximum adiabatic flame temperature in air is _____________ the maximum flame temperature in pure oxygen?

A. Lower than B. Higher than C. Same as D. Not related to...

Coke oven gas burns with a yellowish flame, because of the presence of __________________?

A. CO2 B. CH4 C. H2 D. NH3...

Which of the following has the highest calorific value ?

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

When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the _______________ of coal?

A. Carbonisation B. Oxidation C. Coalification D. Gasification...

During its calorific value determination by bomb calorimeter, coal is combusted by _________________?

A. Air B. Oxygen C. Oxygen enriched air D. None of these...