Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CO₂ CH₄ CO H₂O CO₂ CH₄ CO H₂O ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Increases the flame temperature Does not affect the flame length Tends to shorten the flame Lengthens the flame Increases the flame temperature Does not affect the flame length Tends to shorten the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Coal middling from washeries Furnace oil, light diesel oil and tar/PCM Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Coal middling from washeries Furnace oil, light diesel oil and tar/PCM ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of thick fire bed All of these Use of preheated primary air Low fusion point of ash (< 1100° C) Use of thick fire bed All of these Use of preheated primary air Low fusion point of ash (< 1100° C) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Silica gel Basalt Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Silica gel Basalt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS