Mechanical energy in a simple steam plant

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What is the order of magnitude of the compression ratio in a steam plant?
1. less than 50
2. between 50 and 500
3. between 500 and 2000
4. between 2000 and 10 000
What fraction of the work done by the turbine is consumed by the pump?
1. less than 2 %
2. between 5 and 20 %
3. between 10 and 30 %
4. between 40 and 70 %
5. between 60 and 90 %
Which component(s) of a steam plant put mechanical energy into play?
1. the pump and the boiler
2. the turbine and the boiler
3. the pump and the turbine
4. the turbine
5. the condenser and the pump
What is the order of magnitude of the turbine inlet temperature in a steam plant?
1. less than 100 °C
2. between 100 and 200 °C
3. between 200 and 600 °C
4. greater than 600 °C