Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively ______________ percent?

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Main constituent of the gas produced from a gobar gas plant is___________________?

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

Pick out the wrong statement ?

A. Cokes of high reactivity are obtained from weakly coking coals B. Cokes of high reactivity are obtained from strongly coking coals C. Reactivity of coke is inversely proportional to its absolute density D. Abrasion index of the coke is a measure of its hardness...

Calorific value of tar is about _____________ Kcal/kg?

A. 8800 B. 12000 C. 14000 D. 16000...

Which of the following has the highest flame speed ?

A. CO B. H2 C. CH4 D. C2H6...

Pick out the wrong statement ?

A. Theoretical flame temperature is the temperature attained by the products of combustion, when the fuel is burned without loss or gain of heat B. Burning the fuel with theoretically required amount of pure oxygen results in attainment of maximum adiabatic flame temperature C. Burning the fuel with excess pure oxygen results in maximum theoretical … Pick out the wrong statement ?Read More...