Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about _______________ percent?

Related Mcqs:

A coal having high volatile matter content will ________________?

A. Give less yield of tar and gas on carbonisation B. Burn with a small non-smoky flame C. Have a very high calorific value D. None of these...

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....

‘Fat’ coal means a coal having ___________________?

A. Low calorific value B. High volatile matter C. Low ash content D. Non smoking tendency...

When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the _______________ of coal?

A. Carbonisation B. Oxidation C. Coalification D. Gasification...

Pensky-Marten apparatus is used for those oils, whose flash points are _____________ °F?

A. < 120 B. > 120 C. < 90 D. 90-110...