Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the____________________?

Related Mcqs:

In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?

A. Transportation of coal B. Drying of coal C. Combustion of coal by supplying it around the burner D. Preheating the primary air...

‘Fat coals’ are those coals which have very high____________________?

A. Caking capacity B. Volatile matter content C. Fusion point of its ash D. Inherent moisture content...

A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?

A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60 B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02 C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06 D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74...

Gross heating value of coal is ______________ the net heating value?

A. Higher than B. Lower than C. Same as D. None of these...

Removal of hydrogen from coke oven gas ___________________?

A. Increases its calorific value B. Decreases its calorific value C. Does not alter its calorific value D. Is not possible on commercial scale...