Can a keg of beer get flat?

Yes, a keg of beer can get flat. When beer is carbonated in the keg, the CO2 gas is dissolved into the beer and held in place by the keg's pressure. When the keg is opened, the pressure is released and the CO2 gas starts to escape from the beer. As more CO2 escapes, the beer will become less carbonated and eventually become flat.

Here are some factors that can affect how quickly a keg of beer gets flat:

- Temperature: Beer that is stored at a warmer temperature will lose its carbonation more quickly than beer that is stored at a colder temperature.

- Time: The longer a keg of beer is open, the more CO2 gas will escape and the flatter the beer will become.

- Type of beer: Some beers are more carbonated than others. Beers that are more highly carbonated will hold their carbonation for a longer period of time.

- Keg size: Smaller kegs will lose their carbonation more quickly than larger kegs because the CO2 gas has less volume to disperse through.

- Keg quality: Kegs that are not properly sealed or have leaks will allow the CO2 gas to escape more quickly.

- Serving method: Beers that are poured through a draft system that uses CO2 gas will hold their carbonation longer than beers that are poured from a bottle or can.