Fuels and Combustion Spontaneous combustion of coal on storage results due to Storage in large heaps with small surface to volume ratio Inadequate ventilation All of these Low temperature oxidation Storage in large heaps with small surface to volume ratio Inadequate ventilation All of these Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? It can not burn low grade coal It achieves higher fuel combustion efficiency None of these Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these Less heat transfer surface area is required in boilers 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
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Hydrogen content Caking power Calorific value Oxygen content Hydrogen content Caking power Calorific value Oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas compared to blast furnace gas is All of these More explosive and inflammable Less poisonous Lighter All of these More explosive and inflammable Less poisonous Lighter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 15 to 25 35 to 45 75 55 to 75 15 to 25 35 to 45 75 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS