EXAMINATION PREP 2026 TEST
QUESTIONS AND ANSWERS TEST BANK
GRADED A+
●● Mains & branches in medical gas systems shall be no less than ____.
Answer: 1/2 inch
●● Drops to station outlets and inlets shall be no less than ____ NPS.
Answer: 1/2 inch
●● Copper outlet tubes on station inlets shall be no less than ____ O.D..
Answer: 1/2 inch
●● Connecting tubing for gauges and alarm devices shall be permitted to
be ____ NPS.
Answer: 1/4 inch
●● Category 1 Dental.
Answer: Facilities utilizing General anesthesia & Deep sedation
,●● Instrument air standby headers shall be sufficient for ____ of normal
operation from attached cylinder.
Answer: 1 hour
●● Reserves cylinders for Liquid Ring compressors shall be sufficient
for ____ normal operation, when installed.
Answer: 1-hour
●● Quality of medical air shall not have permanent particulates sized
____ or larger in the air.
Answer: 1 Micron
●● Defective joints are allowed to be reheated ____ time before it must
be replaced.
Answer: one
●● Manufactured assemblies are subject to a standing pressure test to
ensure a less than ____ loss in pressure.
Answer: 1%
●● Oxygen analyzers shall read that there is less than ____
concentration in the system before any brazing can begin.
Answer: 1% oxygen
,●● Fittings may be re-cleaned on-site using a solution of ____ pound of
sodium carbonate to 3 gallons of water.
Answer: 1
●● Category ____ space is one in which failure of equipment or a
system is likely to cause major injury or death of patients, staff, or
visitors.
Answer: 1
●● Only ____ service valve is required off the riser for each branch.
Answer: one
●● The installation of cryogenic fluid central supply systems shall be
compliant with CGA ____.
Answer: M-1
●● The outdoor location of bulk cryogenic liquid central systems shall
be compliant with CGA ____.
Answer: M-1
●● Reciprocating compressors shall provide an inspection opening no
smaller than ____ shaft diameter in size.
Answer: 1.5
, ●● Category dental 2 initial pressure test for oxygen and nitrous oxide
shall ____ times operating pressure.
Answer: 1.5
●● Instrument air filters shall be sized to allow for ____ of system
design peak demand.
Answer: 100%
●● Flammable liquid has a flash point below ____ degrees Fahrenheit.
Answer: 100
●● Final line pressure regulators shall be sized for ____ of peak
demand.
Answer: 100%
●● EOSC shall have an inlet that allows for ____ of the system demand.
Answer: 100%
●● Medical air filters shall be sized for ____ system peak demand.
Answer: 100%
●● Medical aid dryers used in medical air compressors shall be sized for
____ of peak demand.