Which of the following is true of a noncondensing steam turbine? (Select all that apply.)
a. It is also called a back-pressure turbine.
b. The condensate is recycled to the boiler.
c. It functions like a pressure-reducing valve.
d. Steam exits the turbine at a lower pressure.
a. Correct. A noncondensing steam turbine, also called a back-pressure turbine, is a device that functions like a pressure-reducing valve.
b. Incorrect. A condensing steam turbine is a device in which exhaust steam is condensed in a surface condenser, and the condensate is then recycled to the boiler.
c. Correct. A noncondensing steam turbine, also called a back-pressure turbine, is a device that functions like a pressure-reducing valve.
d. Correct. Steam exits the turbine at a lower pressure.
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