During coking of coal, the ash content (percentage)________________?

Related Mcqs:

A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be_________________?

A. More B. Less C. Same D. Data insufficient; can’t be predicted...

A travelling grate stoker is meant for the efficient burning of ______________ coal?

A. Caking B. Pulverised C. Non-caking D. High ash...

Gobar gas is produced by the _______________ of ‘gobar’ (cow dung) ?

A. Hydrolysis B. Fermentation C. Oxidation D. Dehydration...

For long flame and easy ignition, the coal used should have_________________?

A. High volatile matter B. Low ash C. High calorific value D. High ash...

For maximum discharge through a chimney, its height should be___________________?

A. 200 meters B. Infinitely long C. More than 105.7 metres D. Equal to the height of the hot gas column producing draught...