In low temperature carbonisation of coal as compared to high temperature carbonisation _____________ produced is less?

Fuels and Combustion 27/10/2020

A. Difference in gross & net calorific value of the coke oven gas
B. Free carbon content in tar
C. Yield percentage of coke
D. Yield of ammonia present in coke oven gas

Related Mcqs:

    Main use of hard coke produced by high temperature carbonisation is in the ____________________ ?
    A. Iron blast furnace B. Cupola in foundries C. Sinter making D. Domestic ovens...
    The catalyst used in shift converter is _____________________?
    A. Nickel B. Vanadium C. Silica gel D. Alumina...
    The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be___________________?
    A. y B. 0.95 y C. 1.05 y D. 1.8 y...
    Actual flame temperature is always lower than the adiabatic flame temperature, because there is________________?
    A. No possibility of obtaining complete combustion at high temperature B. Always loss of heat from the flame C. Both A. and B. D. Neither A. nor B....
    The optimum percentage of excess air for combustion depends upon the _______________ of the fuel?
    A. Type (solid, liquid or gaseous) B. Calorific value C. Sulphur content D. Ignition temperature...

Leave a Reply

Your email address will not be published. Required fields are marked *