Compressors, Gas Turbines and Jet Engines
Choose the correct statement

Gas turbines have high standby losses and require lot of maintenance
Gas turbine requires lot of cooling water
Gas turbine is capable of rapid start up and loading
Gas turbines has flat efficiency at part loads

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Compressors, Gas Turbines and Jet Engines
Producer 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, coke, anthracite coal or charcoal in a mixed air steam blast

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