Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Both B & C Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 21 23 19 29 21 23 19 29 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Sewage gas Producer gas Natural gas LPG Sewage gas Producer gas Natural gas LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Water gas Blast furnace gas Natural gas Coke oven gas Water gas Blast furnace gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always negative Can't be known without calculating it Is always positive Is equal to the heat of formation Is always negative Can't be known without calculating it Is always positive Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Is mainly for producing the smokeless domestic coke Is meant for the production of 'metallurgical coke' Produces higher quantity of gas than high temperature carbonisation Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Is meant for the production of 'metallurgical coke' Produces higher quantity of gas than high temperature carbonisation Produces less quantity of tar than high temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
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