Which outcome results when a Stirling engine operates with an inadequate cooling water flow rate?

💡 Explanation

When cooling water flow is inadequate, ineffective heat rejection occurs because heat cannot be transferred, leading to a lower temperature differential between the hot and cold reservoirs, thereby reducing efficiency and power output. Therefore, lower power and efficiency result, rather than vibration, bearing wear, or over-pressurization which depend on mechanical failures or excessive heat input.

• Which risk increases in a semiconductor laser when pumping current exceeds threshold?
• Which outcome occurs when rapidly decreasing pressure on superheated water in a steam turbine?
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