An Electrical Power Plant Manages to Send 88% of the Heat

question 29

Multiple Choice

An electrical power plant manages to send 88% of the heat produced in the burning of fossil fuel into the water-to-steam conversion.Of the heat carried by the steam,30% is converted to the mechanical energy of the spinning turbine.Which of the following choices best describes the overall efficiency of the heat-to-work conversion in the plant (as a percentage) ?

• A) greater than 88%
• B) 64%
• C) 30%
• D) less than 30%

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