A. Carbon monoxide
B. Hydrocarbons
C. Hydrogen
D. Oxygen
Correct Answer: Hydrocarbons ✔
Last Updated: March 08, 2019
Related MCQs
- L.D. converter gas (produced in steel plant) comprises mainly of __________?
- Highly caking coals__________?
- The hottest part of the flame lies in its __________ zone?
- The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be__________?
- Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is__________?
- Gross calorific value will be equal to the net calorific value for __________?
- Which of the following is not endothermic ?
- Cannel coal and boghead coal are the examples of __________?
- Main constituent of the gas produced from a gobar gas plant is__________?
- Caking index of the coal blend used for the manufacture of metallurgical coke should be around__________?
- ‘Wind loss’ resulting from unscientific storage of coal may be the order of about __________ percent?
- Laboratory gas is obtained by the cracking of__________?
- Coal is pulverised before burning in large capacity boiler furnaces mainly to__________
- Mott and Wheeler test is conducted on coke to find its __________?
- A coal having high volatile matter content will __________?
- Combustion reaction of fuels is a/an __________ reaction?
- A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be__________?
- Bomb calorimeter can be used to determine the __________ of the coal?
- Largest constituent of coke oven gas is__________?
- The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen?
- The main drawback of supplying more excess air in the combustion of fuel is the__________?
- Bunsen burner is an example of a/an __________ burner?
- Bulk density of pulverised coal may be about __________ kg/m3?
- Which of the following would require least amount of secondary air for combustion ?
- Calorific value of blast furnace gas is around __________ KCal/Nm3?
- Nitrogen in coal__________?
- The gas which contributes maximum to the heating value of natural gas is __________?
- To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in__________?
- Washing of coal decreases its__________?
- In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________?
- In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________?
- __________ of the coal is the basis for Seylor’s coal classification?
- The shift conversion reaction taking place during water gas manufacture is given by__________?
- Main component of sewage gas produced during anaerobic decomposition of organic waste (by suitable bacteria) during sewage disposal is __________?
- Caking index of a coal is a measure of its __________?