A coal that softens and fuses on heating is_________________?

Related Mcqs:

Fossil fuels mean___________________?

A. Solid fuels B. Liquid fuels C. Those fuels which are found in the crust of earth D. Premature fuels with low calorific value...

Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO2, 20%CO and 10%O2. The percent excess oxygen used is __________________?

A. 20 B. 12.5 C. 0 D. 10...

Gas yield in the Kopper-Totzek coal gasifier is about ______________ Nm3/ton coal (ash = 35%)?

A. 150 B. 1500 C. 3500 D. 5000...

High ash containing coke____________________?

A. Produces more slag when used in the blast furnace B. Has poor strength and abrasion resistance C. Is desirable in producer gas manufacture D. None of these...

Which of the following is a rich fuel gas ?

A. Producer gas B. Coal gas from underground gasification of coal C. Refinery gases D. None of these...