Mechanical energy in a simple gas turbine

which component(s) of a gas turbine put mechanical energy into play?
1. the compressor and the combustion chamber
2. the turbine and the combustion chamber
3. the compressor and the turbine
4. the turbine
What fraction of the work done by the turbine is consumed by the compressor?
1. less than 1 %
2. between 5 and 20 %
3. between 10 and 30 %
4. between 40 and 70 %
5. between 60 and 90 %
What is the order of magnitude of the compression ratio in a gas turbine?
1. less than 4
2. between 5 and 40
3. between 45 and 80
4. between 90 and 200
What is the order of magnitude of the end of combustion temperature in a gas turbine?
1. less than 300 °C
2. between 200 and 500 °C
3. between 500 and 1200 °C
4. greater than 1200 °C