Fuels and Combustion
Which of the following is a rich fuel gas?

None of these
Producer gas
Refinery gases
Coal gas from underground gasification of coal

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Producer gas containing least amount of tar is produced by the

High pressure gasification of coal (e.g. in Lurgi gasifier)
Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)
Partial combustion of large size (< 50 mm) coke
Partial combustion of coal

ANSWER DOWNLOAD EXAMIANS APP