(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I have attached the question. I'm not really sure how to do this one

2. Relevant equations

power = work done/time

3. The attempt at a solution

Is the turbine efficiency simply the power generation (750kW) divided by the mechanical output (800kW) which is so 750/800 x 100 = 93.75% efficiency?

and then there's the combined turbine generator efficiency. How do you do that?

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# Turbine efficiency

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