Ratio of primary air to secondary air increases with increase in the rank of coal, because the__________________?

Related Mcqs:

Pick out the wrong statement ?

A. Angle of repose of coal increases with its increasing size B. Specific gravity of coal increases with its increasing maturity C. Refractive index and reflectance of coal increases with the increasing rank of coal D. Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal...

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...

The main product of high temperature carbonisation of coal is__________________?

A. Coke B. Ammonia C. Tar D. Coke oven gas...