What can be used to power turbines?
A) Air
B) Gas
C) Steam
D) All of the above
Answer: D
Explanation: A) Incorrect. Turbines can be powered by a variety of different fluids, including steam, gas, liquid, or air.
B) Incorrect. Turbines can be powered by a variety of different fluids, including steam, gas, liquid, or air.
C) Incorrect. Turbines can be powered by a variety of different fluids, including steam, gas, liquid, or air.
D) Correct. Turbines can be powered by a variety of different fluids, including steam, gas, liquid, or air.
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