The function of secondary combustion air is to ______________________?

Related Mcqs:

Washing of coal decreases its_________________?

A. Caking index B. Mineral matter content C. Ash content D. Both B. and C....

Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its ___________________?

A. Emissivity factor is higher B. Sulphur content is lower C. Flue gas has lower dew point thereby facilitating more waste heat recovery D. All A., B. and C....

Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?

A. Vitrain B. Clarain C. Durain D. Fussain...

Short/intense flame is produced during combustion of gaseous fuel by using________________?

A. High amount/current of combustion air B. Low amount/current of combustion air C. Preheated secondary air D. Very little excess air...

C/H ratio is the minimum in case of_________________?

A. Furnace oil B. Natural gas C. Coal D. Naphtha...