1
MED
MEDICAL GAS CERTIFICATION PRE-TEST EXAM
QUESTIONS AND ANSWERS UPDATED
(2024/2025) (VERIFIED ANSWERS)
The medical air intake shall be minimum _________ ft from all doors,
windows, or other openings in a building.
A. 10
B. 15
C. 20
D. 25 - ANS ✓A. 10
Vacuum receivers shall be capable of withstanding a gauge vacuum of
________ in. of HgV.
A. 12
B. 20
C. 30
D. 32 - ANS ✓C. 30
A medical-surgical vacuum receiver shall be made serviceable by
A. A three-valve bypass
B. Any method to ensure continual service
C. Being valved at the end of the main line
D. Shutting down the system - ANS ✓B. Any method to ensure continual service
A medical-surgical vacuum exhaust shall be turned down and screened. The
screening shall be fabricated using ____________ material.
A. Any non-corroding
MEDICAL GAS
, 2
MED
B. Chicken wire
C. Steel mesh
D. Steel wire - ANS ✓A. Any non-corroding
Vacuum exhaust from multiple pumps joined together to one common
exhaust shall be permitted provided each pump can be isolated. The pumps
can be isolated by all of the following except a
A. blind flange
B. check valve
C. grooved joint
D. manual valve - ANS ✓C. Except Grooved joint
With the approval f the authority having jurisdiction, a zone valve shall be
permitted o be secured to prevent inappropriate access in ____________ areas
A. anesthetizing
B. critical care
C. meternity
D. psychiatric or pediatric - ANS ✓D. Psychiatric or pediatric
New or replacement valves are not required to
A. be ball type
B. have copper tube braze extensions
C. permit in line serviceability
D. use a quarter turn to off - ANS ✓A. Be ball type
A __________ shutoff valve shall be provided int he main supply line when the
source valve is not accessible from within the building being served.
A. main
B. supply
C. service
MEDICAL GAS
MED
MEDICAL GAS CERTIFICATION PRE-TEST EXAM
QUESTIONS AND ANSWERS UPDATED
(2024/2025) (VERIFIED ANSWERS)
The medical air intake shall be minimum _________ ft from all doors,
windows, or other openings in a building.
A. 10
B. 15
C. 20
D. 25 - ANS ✓A. 10
Vacuum receivers shall be capable of withstanding a gauge vacuum of
________ in. of HgV.
A. 12
B. 20
C. 30
D. 32 - ANS ✓C. 30
A medical-surgical vacuum receiver shall be made serviceable by
A. A three-valve bypass
B. Any method to ensure continual service
C. Being valved at the end of the main line
D. Shutting down the system - ANS ✓B. Any method to ensure continual service
A medical-surgical vacuum exhaust shall be turned down and screened. The
screening shall be fabricated using ____________ material.
A. Any non-corroding
MEDICAL GAS
, 2
MED
B. Chicken wire
C. Steel mesh
D. Steel wire - ANS ✓A. Any non-corroding
Vacuum exhaust from multiple pumps joined together to one common
exhaust shall be permitted provided each pump can be isolated. The pumps
can be isolated by all of the following except a
A. blind flange
B. check valve
C. grooved joint
D. manual valve - ANS ✓C. Except Grooved joint
With the approval f the authority having jurisdiction, a zone valve shall be
permitted o be secured to prevent inappropriate access in ____________ areas
A. anesthetizing
B. critical care
C. meternity
D. psychiatric or pediatric - ANS ✓D. Psychiatric or pediatric
New or replacement valves are not required to
A. be ball type
B. have copper tube braze extensions
C. permit in line serviceability
D. use a quarter turn to off - ANS ✓A. Be ball type
A __________ shutoff valve shall be provided int he main supply line when the
source valve is not accessible from within the building being served.
A. main
B. supply
C. service
MEDICAL GAS
