Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 500 50 0.5 10 500 50 0.5 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? CH₄ C₂H₆ CO H₂ CH₄ C₂H₆ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 43832 15-30 70-100 150-200 43832 15-30 70-100 150-200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Maintaining proper draft in the furnace Using low c.v. fuels Oxygen enrichment of combustion air Controlling the excess air Maintaining proper draft in the furnace Using low c.v. fuels Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1400-1500 400-500 900-1000 1700-1800 1400-1500 400-500 900-1000 1700-1800 ANSWER DOWNLOAD EXAMIANS APP
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