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A. Are soft & friable (poor strength and size stability)
B. Require longer time of carbonisation as ash offers resistance to heat transfer
C. Produce larger quantity of coke oven gas
D. None of these
Related Mcqs:
- Main constituent of the gas produced from a gobar gas plant is___________________?
- A. CO2 B. CH4 C. H2 D. CO...
- Pick out the wrong statement ?
- A. Cokes of high reactivity are obtained from weakly coking coals B. Cokes of high reactivity are obtained from strongly coking coals C. Reactivity of coke is inversely proportional to its absolute density D. Abrasion index of the coke is a measure of its hardness...
- Proximate analysis of coal determines its ______________ content?
- A. Moisture, ash, sulphur & volatile matter B. Moisture, volatile matter, ash & fixed carbon C. Moisture, sulphur, nitrogen & fixed carbon D. None of these...
- Which of the following is called “blue gas”?
- A. Coke oven gas B. Water gas C. Natural gas D. Producer gas...
- High temperature in gasification of coal favours________________?
- A. High production of CO2 B. Low production of CO2 C. High production of CO D. Both B. and C....
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