Percentage of carbon monoxide in blast furnace gas may be around ____________________ ?

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...

Low temperature oxidation of stored coal results in the________________?

A. Decrease in its caking power & calorific value B. Decrease in its carbon & hydrogen content C. Increase in its oxygen content D. All A., B. and A....

Naphthalene is removed from coke oven gas by________________?

A. Scrubbing with wash oil (a petroleum product) B. Adsorbing on bog iron bed C. Absorbing in vetro-coke solution D. None of these...

Dust content in raw blast furnace gas is about _______________ gm/Nm3; hence it is cleaned to the dust level of about < 10 mg /Nm3 before use?

A. 15-30 B. 1-2 C. 70-100 D. 150-200...

During its calorific value determination by bomb calorimeter, coal is combusted by _________________?

A. Air B. Oxygen C. Oxygen enriched air D. None of these...