Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is In between 0 and 100 More than 100 100 In between 0 and 100 More than 100 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. In between 37 & 71% < 37% None of these >71% In between 37 & 71% < 37% None of these >71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Caking power Calorific value Both A & B Neither A nor B Caking power Calorific value Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Producer gas Sewage gas LPG Natural gas Producer gas Sewage gas LPG Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Better combustion Less erosion on furnace walls Smokeless burning High calorific value Better combustion Less erosion on furnace walls Smokeless burning High calorific value ANSWER DOWNLOAD EXAMIANS APP