ABYC Systems Certification Practice Exam 2025 – The Complete Guide to Master Your Certification!

Question: 1 / 400

In hydraulic systems, how is proof pressure defined in relation to working pressure?

Proof pressure is less than working pressure

Proof pressure equals maximum working pressure

Proof pressure is defined as the maximum pressure that a hydraulic system can safely handle, which equals the maximum working pressure of the system. It serves as a benchmark to ensure that all components of the system can withstand the stresses and pressures encountered during operation without failing.

In practice, proof pressure testing is conducted by applying this maximum pressure to verify the integrity of the system, which means that the components should not leak or fail under this pressure. This is a critical safety measure in hydraulic systems to ensure reliability and operational safety.

This definition aligns with the concept that the proof pressure represents the maximum threshold, ensuring that when the system operates normally, it remains within safe limits. Other options suggest various relations that do not accurately reflect the established definitions in hydraulic engineering.

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Working pressure equals proof pressure

Proof pressure is double the working pressure

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