Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the abrasion resistance of coke None of these Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke None of these Causes brittleness in steel Decreases the hardness of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant volume NCV at constant volume NCV at constant pressure GCV at constant pressure GCV at constant volume NCV at constant volume NCV at constant pressure GCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Sulphur content is lower All of these Emissivity factor is higher Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower All of these Emissivity factor is higher Flue gas has lower dew point thereby facilitating more waste heat recovery ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Storage Pulverisation Transportation and handling Washing Storage Pulverisation Transportation and handling Washing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Those fuels which are found in the crust of earth Liquid fuels Premature fuels with low calorific value Solid fuels Those fuels which are found in the crust of earth Liquid fuels Premature fuels with low calorific value Solid fuels ANSWER DOWNLOAD EXAMIANS APP
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