Petcock Meaning: Definition, Examples, and Translations
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petcock
[ˈpɛtkɒk ]
Definition
mechanical device
A petcock is a small valve that is used to control the flow of liquid or gas in a pipeline. Typically made of metal or plastic, petcocks are found in various applications including automotive, plumbing, and HVAC systems. They can be turned or rotated to open or close the flow, often featuring a threaded fitting for easy installation. Petcocks are essential for draining tanks, adjusting fluid levels, and performing maintenance on machinery.
Synonyms
Examples of usage
- The mechanic opened the petcock to drain the radiator.
- He adjusted the petcock to ensure proper flow of the coolant.
- The plumber replaced the old petcock in the water heater.
- Make sure the petcock is closed before starting the engine.
Translations
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Interesting Facts
Engineering
- Petcocks are commonly used in various types of machinery, including cars, to drain fluids like oil or coolant.
- They can be found in plumbing systems, allowing for easy maintenance of pipes.
- The size and design of a petcock can vary significantly, depending on its specific application.
Automotive
- In automobiles, petcocks are used to control the flow of fuel or coolant, often located on radiators or fuel tanks.
- When flushing a radiator, a petcock is opened to allow old coolant to drain out safely and efficiently.
- Some modern engines have replaced traditional petcocks with more advanced electronic controls for improved efficiency.
Safety
- Using a petcock correctly is crucial to avoid spills and potential hazards, especially with flammable liquids.
- Regular inspection of petcocks in machinery can prevent leaks and maintain performance.
- Many mechanical failures can be traced back to improper maintenance of the petcock and other fluid control systems.
Origin of 'petcock'
Main points about word origin
- The term 'petcock' originates from the combination of 'pet', a small animal, and 'cock', which refers to a valve, resembling a small faucet.
- In the early 20th century, it was popularly used in mechanical and engineering contexts.
- The word 'cock' in this context comes from the Old English word 'coc', meaning 'valve'.
The term 'petcock' originates from the combination of two words: 'pet', which is an abbreviation of the French word 'petit', meaning small, and 'cock', an old term for a valve or tap. The use of the word dates back to the 19th century, with the first known appearances in plumbing and automotive contexts. Originally, 'petcock' referred specifically to a small valve used for drainage, while over time its use expanded to cover various types of small valves in different industries. The evolution of manufacturing and the development of new materials contributed to the widespread use of petcocks in modern machinery, automotive design, and home plumbing systems, making it an essential component in controlling fluid flow.