Related Questions

__________ the exhaust gas is an indication of the incomplete combustion of fuel.
A Low temperature of
B High temperature of
C High % of CO in
D High % of CO2 in
During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the
A Incomplete combustion
B Complete combustion
C High oxygen in flue gas
D None of these
Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.
A CO content
B Dew point
C CO2 content
D O2 content
Incomplete combustion can be best judged by
A Smoky chimney exit
B Excess air in flue gases
C Measuring carbon monoxide in flue gases
D Measuring temperature of flue gases at exit of furnace
When incomplete combustion loss is high, the flue gas analysis shows large amount of
A CO2
B CO
C O2
D C
Incomplete combustion of a fuel is characterised by the high __________ in the flue gas.
A Smoke
B Temperature
C Oxygen
D Carbon monoxide
The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.
A Pulverised fuel
B Travelling grate stoker firing
C Circulating fluidised bed
D Fluidised bed
The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
A 75%
B 85%
C 90%
D 99%
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as
A Scavenging
B Detonation
C Supercharging
D Polymerisation
Use of excess of combustion air in the combustion of fuels results in
A Heat losses
B Long flame
C Condensation of water vapour from the fuel gas
D None of these

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