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

Related Mcqs:

Which of the following would require least amount of secondary air for combustion ?

A. Coke breeze containing 25% ash and 2% volatile matter B. Anthracite containing 10% volatile matter and 8% ash C. Bituminous coal containing 20% ash and 25% volatile matter D. Semi-bituminous coal containing 25% ash and 20% volatile matter...

With increase in moisture content of coal, its___________________?

A. Calorific value increases B. Caking properties diminish C. Swelling during carbonisation becomes excessive D. None of these...

Initial pressure of oxygen introduced into the ‘bomb’ of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around _____________ atm?

A. 3-5 B. 25-30 C. 60-65 D. 95-100...

Soft coke is not ___________________?

A. Produced by low temperature carbonisation of coal B. A domestic fuel C. Used in blast furnaces D. None of these...

During combustion of gaseous fuels, deficiency of air_________________?

A. Lengthens the flame B. Tends to shorten the flame C. Does not affect the flame length D. Increases the flame temperature...