Medical Gas Certification pre-test Questions and Answers| Latest Update

Medical Gas Certification pre-test Questions
and Answers| Latest Update

The minimum backfilled cover above the top of the pipe or its enclosure shall be 36 in. except
that the minimum cover shall be permitted to be reduced to ________ in. where there is not
potential damage from surface loads or surface conditions.

A. 16

B. 18

C. 20

D. 24 B. 18



Performance qualification of brazers shall remain in effect indefinitely unless the brazer does not
braze with the qualified procedure for a period exceeding ________ months.

A. 6

B. 12

C. 18

D. 24 A. 6



Inspection and testing shall be performed on all new piped gas systems, additions, renovations,
temporary installations, or repaired systems to ensure, by a, that all applicable provisions have
been adhered to and system integrity has been achieved or maintained.

A. authority having jurisdiction

B. documented procedure

C. installer

, D. verifier B. Documented procedure



The initial pressure test for positive pressure gases and vacuum systems shall have a test pressure
1.5 times the system working pressure, but not lesson than _______ psig

A. 75

B. 100

C. 150

D. 200 C. 150



The standing pressure test for positive pressure medical gas piping shall be conducted with the
source valve closed and the piping system subjected to a test pressure ________ for 24 hours.

A. of 50 psi

B. 20% above normal system operating pressure

C. of 150 psi

D. 1.5 times the system operating pressure B. 20% above normal system operating
pressure



A 24- hour standing pressure test shall be witnessed by the authority having jurisdiction or its
_______

A. installers

B. Doctors

C. Designee

D. Verifier C. Designee