Answer :
Final answer:
The maximum safe working pressure for acetylene is approximately 103 kPa (15 psi), which is much lower than the options given in the question, suggesting an error or missing context in the question.
Explanation:
The maximum safe working pressure for acetylene is a key safety consideration when using acetylene for welding or cutting. Acetylene is unstable at high pressures, which is why the gas industry has instituted strict guidelines. The maximum pressure at which acetylene can be safely used without the risk of decomposition or explosion is approximately 103 kPa (15 psi). This value is much lower than the options provided in the test question, suggesting that the question may be in error or missing context. It is important for safety that the actual maximum safe working pressure for acetylene is adhered to when using it in any application.
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