Fuels and Combustion The hottest part of the flame lies in its____zone. Yellow Non-luminous Luminous Unburnt gases Yellow Non-luminous Luminous Unburnt gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? Propane and acetylene Sewage gas and gobar gas Propane and LPG F. gas and coke oven gas Propane and acetylene Sewage gas and gobar gas Propane and LPG F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Less air for combustion Pulverised coal in boilers Correct amount of air for combustion Too much air for combustion Less air for combustion Pulverised coal in boilers Correct amount of air for combustion Too much air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 100 15 1 50 100 15 1 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Caking index Ignition temperature Calorific value Ash fusion temperature Caking index Ignition temperature Calorific value Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Increase the gas production rate Minimise the chances of clinker formation Increase the combustion rate Convert CO to CO₂ Increase the gas production rate Minimise the chances of clinker formation Increase the combustion rate Convert CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS