Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil Bubbling it through dilute sulphuric acid Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil Bubbling it through dilute sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Supply of excess air None of these Supply of excess fuel Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air 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. 20 to 40 3 to 4 1 to 2 5 to 15 20 to 40 3 to 4 1 to 2 5 to 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are CO₂, O₂ & CO CO, H₂ & CH₄ H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ H₂, CmHn & CO₂ N₂, H₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS