Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Make it look attractive Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these Minimise its corrosion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? C₂H₆ CO CH₄ H₂ C₂H₆ CO CH₄ H₂ 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 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 Large heaps with small surface to volume ratio Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 14 52 22 8 14 52 22 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Both A and B Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Neither A nor B Both A and B Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Neither A nor B ANSWER DOWNLOAD EXAMIANS APP