Compressors, Gas Turbines and Jet Engines
Inter-cooling in gas turbine results in

Increase in thermal efficiency but decrease in net output
Increase in net output but decrease in thermal efficiency
Increase in both thermal efficiency and net output
Decrease in both thermal efficiency and net output

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Compressors, Gas Turbines and Jet Engines
Water gas is produced by

Passing air and a large amount of steam over waste coal at about 65°C
Passing steam over incandescent coke
Carbonisation of coal
Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast

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