carbonisation of coal

passing steam over incandescent coke

passing air and a large amount of steam over waste coal at about 65°C

partial combustion of caol, eke, anthractie coal or charcoal in a mixed air steam blast

control temperature

control output of turbine

control fire hazards

increase efficiency

high h.p. and low weight

low weight and small frontal area

small frontal area and high h.p.

high speed and high h.p.

provides greater flexibility

provides lesser flexibility

in never used

is used when gas is to be burnt

compressor work and turbine work

output and input

actual total head tempeature drop to the isentrpic total head drop from total head inlet to static head outlet

actual compressor work and theoretical comprssor work