Fuels and Combustion A coal having high volatile matter content will Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation None of these Have a very high calorific value Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation None of these Have a very high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered Increases Decreases May increase or decrease (depends on the method of storage) Remains unaltered Increases Decreases May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 500 1000 100 1500 500 1000 100 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Producer gas Water gas Natural gas Blast furnace gas Producer gas Water gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Pitch-cresosote mixture (PCM) Ethylene Napthalene Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the Draught to be created Limitation of constructional facilities Pollution control aspect None of these Draught to be created Limitation of constructional facilities Pollution control aspect None of these ANSWER DOWNLOAD EXAMIANS APP