Steam turbines are driven by the pressure of high-velocity ______ discharged at a high pressure and temperature against the turbine vanes.
a. air
b. water
c. gas
d. steam
a. Incorrect. Steam turbines are driven by the pressure of high-velocity steam discharged at a high pressure and temperature against the turbine vanes.
b. Incorrect. Steam turbines are driven by the pressure of high-velocity steam discharged at a high pressure and temperature against the turbine vanes.
c. Incorrect. Steam turbines are driven by the pressure of high-velocity steam discharged at a high pressure and temperature against the turbine vanes.
d. Correct. Steam turbines are driven by the pressure of high-velocity steam discharged at a high pressure and temperature against the turbine vanes.
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