Compressors, Gas Turbines and Jet Engines
Pressure ratio in gas turbines is the ratio of

Pressures across the turbine
Compressor pressure ratio
Highest pressure to exhaust pressure
Inlet pressure to exhaust pressure

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Compressors, Gas Turbines and Jet Engines
Pick up the false statement

Exhaust losses in gas turbine are high due to large mass flow rate
Gas turbine does not require huge quantity of water like steam plant
Overall efficiency of gas turbine plant is lower than that of a reciprocating engine
Gas turbine is a self starting unit

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