Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the Limitation of constructional facilities Draught to be created Pollution control aspect None of these Limitation of constructional facilities Draught to be created Pollution control aspect None of these 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 Silica gel Bog iron (i.e., moist ferric hydroxide) Basalt Diatomaceous earth Silica gel Bog iron (i.e., moist ferric hydroxide) Basalt ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Shallow and small piles Closed space without any ventilation facility Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Shallow and small piles Closed space without any ventilation facility Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 10 20 2.5 0.5 10 20 2.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1350 1250 1400 1100 1350 1250 1400 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal All of these Controls its ash fusibility and increases its calorific value Improves its coking properties Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
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