NFPA-99 Practice Exam

Which type of connectors should be used to connect the medical air compressor with air intake and outlet piping?

1. Compression fitting

2. Dielectric

3. Flexible

4. Insulated

The correct answer is: Flexible

Using flexible connectors to connect the medical air compressor with air intake and outlet piping is important for several reasons. Flexible connectors are designed to accommodate movement and vibration that typically occur in mechanical systems. This flexibility helps in reducing the risk of damage to the piping and the compressor, accommodating any expansion or contraction due to temperature changes, and mitigating the potential for stress that could lead to leaks or system failure. Additionally, in medical settings, maintaining a continuous and uncontaminated supply of air is critical for patient safety and equipment performance. Flexible fittings can also facilitate installation and maintenance, allowing for easier adjustments without requiring extensive dismantling of the system. Other types of fittings, such as compression fittings or dielectric connectors, may not provide the necessary adaptability and could lead to more rigid connections that are susceptible to damage from operational vibration. Insulated connectors typically focus on electrical applications, which may not be applicable here as the primary focus is on airflow and pneumatic systems. Hence, the choice of flexible connectors is crucial in maintaining the integrity and functionality of the medical air system.