Answer :

Final answer:

Securing a gas cylinder with safety chains or straps and keeping them in upright positions is vital to prevent accidents. The valve protection cap comes into play by protecting the valve, preventing accidental release of gas. This importance gets accentuated in cases like a fire extinguisher where the CO2 cannot liquefy at high temperatures.

Explanation:

Securing a gas cylinder is important to prevent potential damage and accidents. This can be done by using safety chains or straps that ensure the stationary stability of the cylinder. It's also crucial to store the cylinders in upright positions in cool, well-ventilated areas away from heat and combustible materials. This is because both liquids and solids resist being compressed with extremely large forces.

The valve protection cap is important as it protects the valve from damage when it is not connected for use. It also prevents the accidental release of the gas if the valve gets accidentally opened. For example, the CO2 in a fire extinguisher can't liquefy above a critical temperature, hence it's important to have the valve and cap functioning properly to prevent leakage.

The air-gaps in rigid containers allow them to expand and contract without stressing them, preventing leaks around the cap or bursting the tank. Tools like gauges are used to measure and monitor pressure in gas cylinders, making sure the pressures are safe and in the appropriate range for both use and storage. Y

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