Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Lignite Bituminous Sub-bituminous Semi-anthracite Lignite Bituminous Sub-bituminous Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 5 to 15 1 to 2 20 to 40 3 to 4 5 to 15 1 to 2 20 to 40 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Preheat the tertiary air used for complete combustion of CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Emissivity factor is higher Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Emissivity factor is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a lean fuel gas? Blast furnace gas LPG Coke oven gas Natural gas Blast furnace gas LPG Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
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