Q. If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be?

View solution

Q. Proximate analysis of coal determines its __________ content.

View solution

Q. 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.

View solution

Q. ‘Fat’ coal means a coal having __________

View solution

Q. Which of the following petrographic constituents of coal is non-coking?

View solution

Q. Presence of free moisture in coal is most disadvantageous during __________

View solution

Q. In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by __________

View solution

Q. Oxygen percentage (by weight) in atmospheric air is?

View solution

Q. With increase in moisture content of coal, its __________

View solution

Q. What are the main constituents of benzol?

View solution

Q. _________ has the widest inflammability limit (explosion limit) of all the gases.

View solution

Q. The heat of combustion of a fuel __________

View solution

Q. High excess air in combustion of fuels results in __________

View solution

Q. Caking index of the coal blend used for the manufacture of metallurgical coke should be around __________

View solution

Q. __________ of the coal is the basis for Seylor’s coal classification.

View solution

Q. Percentage of methane in coke oven gas may be around __________

View solution

Q. The hottest part of the flame lies in its ___________ zone.

View solution

Q. __________ prohibits the use of alcohols directly in petrol engines.

View solution

Q. A good quality coal should have __________

View solution

Q. Which of the following is the maximum coal producing state in India?

View solution