Fuels and Combustion
Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ?

Blast furnace gas
Producer gas
Water gas
Natural gas

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
The weathering index of a coal

Is a measure of its caking tendency
Gives an idea of the fusion temperature of ash
Is a measure of its size stability, when stored & exposed to weather
Is related to its calorific value

ANSWER DOWNLOAD EXAMIANS APP