Fuels and Combustion Turndown ratio of a gas burner is equal to the Maximum to minimum heat input ratio Maximum to minimum permissible gas flow rate Minimum to maximum heat input ratio Both A & B Maximum to minimum heat input ratio Maximum to minimum permissible gas flow rate Minimum to maximum heat input ratio Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of Nā to Oā in dry atmospheric air is 0.21 3.76 4.76 0.79 0.21 3.76 4.76 0.79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Natural gas Water gas Blast furnace gas Coke oven gas Natural gas Water gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Sewage gas LPG Natural gas Producer gas Sewage gas LPG Natural gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Back draughting Banking Under pressurising None of these Back draughting Banking Under pressurising None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Is non-coking Contains more than 90% fussain Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Is non-coking Contains more than 90% fussain Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking ANSWER DOWNLOAD EXAMIANS APP
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