NCCER Instrument Technician Practice Test 2025 - Free Instrument Technician Practice Questions and Study Guide

Question: 1 / 400

In which systems are rubber gaskets used?

High pressure / low pressure systems

Low pressure / low temperature systems

Rubber gaskets are most appropriately used in low pressure and low temperature systems. This is because rubber materials possess flexibility and a certain level of compressibility, which allows them to create a tight seal under relatively low stress conditions. They are effective at preventing leaks in applications where extreme temperatures and pressures are not involved, as rubber can degrade or lose its sealing ability when exposed to high temperatures or harsh chemical environments.

In low pressure and low temperature systems, the material properties of rubber ensure a reliable seal without the risk of deformation or failure that might occur at higher pressures or temperatures. This makes rubber gaskets a common choice in plumbing, HVAC systems, and other similar applications where the operating conditions do not exceed these limits.

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Hot water / steam systems

Low pressure / high temperature systems

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