A. Coke oven gas
B. Producer gas
C. Blast furnace gas
D. L.D. converter gas
Correct Answer: D. L.D. converter gas ✔
Last Updated: March 08, 2019
Related MCQs
- Gross heating value of coal is __________ the net heating value?
- Which of the following accentuates clinkering trouble on furnace grate burning coal ?
- Increase in ash content of blast furnace coke__________?
- The difference between total carbon and fixed carbon of coal will be minimum in case of__________?
- In high temperature carbonisation (as compared to low temperature carbonisation) of coal__________?
- Gross heating value of coal is __________ the net heating value?
- The internal energy of the combustion products is __________ compared to that of reactants?
- Lignite is __________?
- High pressure coal gasification is employed in __________ process?
- Use of pulverised coal in boiler furnace provides__________?
- Which of the following fuel gases is heavier than air ?
- Which of the following is not a by-product fuel ?
- Cannel coal__________?
- In Lurgi coal gasifier__________?
- Which of the following has the highest flame velocity ?
- Which of the following has the highest theoretical flame temperature ?
- Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?
- Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing ?
- C/H ratio is the minimum in case of__________?
- The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be__________?
- The gasification reaction represented by, C + H2O = CO + H2, is__________?
- Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm3?
- For long flame and easy ignition, the coal used should have__________?
- Coke oven gas is stripped of its H2S and mercaptans content by__________?
- Presence of nitrogen in combustion air does not reduce the __________?
- Coke oven gas constitutes mainly of __________?
- Natural draft created by the chimney depends upon __________?
- Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has__________?
- Purity of coke means that, it is high in carbon and low in __________?
- Which of the following is not a ‘manufactured’ fuel ?
- Which of the following has the highest gross calorific value ?
- With increase in moisture content of coal, its__________?
- Calorific value of tar is about __________ Kcal/kg?
- Orsat apparatus__________?
- Shatter index of the coke is a measure of its__________?
- Fuel consumption in coke making can be reduced by__________?
- The cooling medium used in dry quenching of coke is__________?
- Proximate analysis of coal determines its __________ content?
- The maximum percentage of CO2 in a flue gas (from a carbonaceous fuel) can be__________?
- Yield of pitch from distillation of high temperature tar is around __________ percent?
- Hardgrove Grindability index of four coal samples are given below. Which of them is the easiest to grind ?
- Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent?
- ‘Fat’ coal means a coal having __________?
- Naphthalene is removed from coke oven gas by__________?
- Octane number of 2, 2, 4 – trimethyl pentane is __________?
- Which of the following has the highest calorific value ?
- Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain __________?
- Initial pressure of oxygen introduced into the ‘bomb’ of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm?
- Which of the following has the highest heat of combustion ?
- The calorific value of L.D. converter gas is about __________ Kcal/Nm3?
- Abrasion index of blast furnace coke should be around __________ percent?