NFPA99 Medical Gas Exam Questions With Complete Solutions |Updated 2025/2026

NFPA99 Medical Gas Exam Questions With Complete Solutions |Updated 2025/2026 A manual reset local alarm that indicates when the capacity of the instrument air central supply system not in use is less than the equivalent capacity of - answer-One compressor After a final tie - In on an active vacuum system , each vacuum joints shall be tested with a leak detector or other means that will allow detectant on an active vacuum system . - answer-Ultrasonic After the final tie-in each joint shall be leak tested by the source gas. New work and the existing system at the normal operating pressure shall be leak checked with a leak detectant that is safe for use with oxygen and does NOT contain _______________ - answer-Ammonia After the piping system, the blow down test shall be done. Then the installer must perform which of the following test? - answer-Initial pressure test Alarm panels and shutoff valves labeling shall be ____________ when modifications are made, changing the areas serviced - answer-Updated All gas outlets with gauge pressure of 345 kPa (50 psi), including, but not limited to, oxygen, nitrous oxide, medical air, and carbon dioxide, shall deliver 100 SLPM (3.5 SCFM) with a pressure drop of not more than 35 kPa (______) and static pressure of 345 kPa to 380 kPa (50psi to 55 psi) - answer-5 psi Area alarms shall be tested to verify the warning signals for all vital life support and critical care areas if the pressure in the piping system increases or decreases by _______ - answer-20% At the sample port a demand of approximated 25% load shall be created to cause the compressors to cycle on and off continuously and the dryers to operate for the ______ period. - answer-12 hourBefore the piping system is put into use, who is responsible for the ascertaining that the gas delivered to the outlet/inlet has the proper labels and connecting fittings. - answer-Facility authority Breached portions of the systems subject to inspection and testing shall be confined to only the specific altered zone or area that is downstream for pressure gases at the point of intrusion. Where a system shall be declared breached? - answer-Physical separation of pipeline, system component removal, replacement or addition of system components Category 2 & 3 medical has and vacuum systems are allowed to be ________ on the amount of compressors and vacuum pumps - answer-Simplex Category 2 oxygen piping shall be at least 1 size larger than piping for _______? - answer-Nitrous oxide Category 3 gas-power device supply systems, vacuum systems and scavenging systems. The initial tests shall be performed before the final tests shall be conducted by ______. - answer-Installer, representative of the system manufacturer, medical gas system verifier 6030