Fuels and Combustion High amount of sulphur and phosphorous in coke causes Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will None of these Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation Have a very high calorific value None of these Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation Have a very high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal All of these Improves its coking properties Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value All of these Improves its coking properties Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Both A and B Neither A nor B Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products are __________ recovered in 'Beehive ovens'. Fully Not at all Partially Negligibly Fully Not at all Partially Negligibly ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for LPG Gobar gas Coke oven gas Carburetted water gas LPG Gobar gas Coke oven gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP