A. Pulverised fuel
B. Perfumes
C. Insecticides
D. Plastics
Correct Answer: Pulverised fuel ✔
Last Updated: March 08, 2019
Related MCQs
- Undercharging of coal in the by-product coke ovens results in __________?
- Benzol is used__________?
- Pulverised coal used in boiler firing need not have__________?
- Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg?
- About __________ Nm3 of air will be required for the complete combustion of 2Nm3 of CO?
- Fischer-Tropsch method aims at the __________?
- In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by__________?
- Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C ?
- Producer gas comprises mainly of __________?
- Coke compared to the coal from which it has been made, contains __________?
- Main constituents of purified Lurgi gas are__________?
- Which of the following is coking ?
- Compound coke ovens are those which can be heated by __________?
- Out of the following fuels, the difference between the net and gross calorific value is maximum in case of__________?
- Calorific value of __________?
- __________ present in coal is not determined in its ultimate analysis ?
- Coke made in narrower by-product coke ovens (as compared to wider ovens) is __________?
- Gray King Assay and Swelling Index of a coal is a measure of its __________?
- Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300°) may be reduced by about __________ percent as compared to the use of atmospheric combustion air?
- In low temperature carbonisation of coal, the__________?
- Which of the following is a single stage, fixed bed high pressure coal gasification process ?
- Blast furnace gas constitutes mainly of__________?
- 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 __________?
- Washing of coal does not reduce its__________?
- Preheating of coal charge for the coke ovens reduces the __________?
- Which of the following gaseous fuels has the highest net calorific value (kcal/Nm3) ?
- Width of the coke oven towards coke side is slightly more than that on pusher side to__________?
- Natural draught produced by a chimney depends upon the __________?
- Highly reactive coke have lower __________?
- __________ prohibits the use of alcohols directly in petrol engines ?
- Volumetric ratio of N2 to O2 in dry atmospheric air is __________?
- Bituminous coal__________?
- Washing of coal __________?
- Coalification means the __________?
- The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always __________?
- Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if __________?
- If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be__________?
- The main advantage of forced draft over natural draft is that__________?
- Oxygen percentage (by weight) in atmospheric air is__________?
- Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C?
- Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent?
- Which of the following is not a by-product fuel ?
- Sulphur in metallurgical coal__________?
- Fusion point of coal ash increases with increase in its __________ content?
- Calorific value of coke oven gas is around __________ Kcal/Nm3?
- Caking index of coal blend used for blast furnace coke making is about__________?
- A coal with high ash content__________?
- Which of the following is not a binder for coal briquetting ?
- Coking time in beehive coke oven is about __________?
- Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature ?
- The heat of combustion of a fuel__________?