What does an inverted bucket steam trap do?

• A. Controls water levels in the feedwater tank
• B. Relieves excess steam pressure
• C. Removes condensate and air from steam systems while preventing steam loss
• D. Measures the temperature of steam

Answer: (C)

An inverted bucket steam trap is specifically designed to remove condensate and air from steam systems while effectively preventing steam loss. It operates using a buoyancy mechanism; as condensate enters the trap, it fills the inverted bucket, causing it to sink and open a discharge valve to release the water. When steam enters the trap, the steam's buoyancy lifts the bucket, closing the valve and preventing steam from escaping.

This functionality is essential in maintaining system efficiency and preventing damage. By removing condensate, the trap helps ensure that steam can circulate freely and that heat is transferred effectively within the system. Additionally, the removal of air is important because air can cause inefficiencies and interfere with the heating process.

The other choices do not accurately describe the role of an inverted bucket steam trap, as it does not control water levels in a feedwater tank, relieve steam pressure, or measure temperatures. Understanding the specific purpose of each component in a boiler system is crucial for effective operation and maintenance.