Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? F. gas and coke oven gas Sewage gas and gobar gas Propane and acetylene Propane and LPG F. gas and coke oven gas Sewage gas and gobar gas Propane and acetylene Propane and LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Semi-bituminous coal Aanthracite Bituminous coal Coke Semi-bituminous coal Aanthracite Bituminous coal Coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Structural strength of silica bricks Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Structural strength of silica bricks Problem of uniform heating along its height ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Bituminous Lignite Anthracite Semi-anthracite Bituminous Lignite Anthracite Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 46 1 7 22 46 1 7 22 ANSWER DOWNLOAD EXAMIANS APP