PLUMBING SCHOOL YEAR 4 MODULE 11 QUESTIONS & ANSWERS
Medical gas a vacuum system that are not permitted to have brief periods of downtime are
considered
Correct answer: Category 1 systems
Knowledge of the requirements in CGA M-!, Guide for Medical Supply Systems at
Consumer Sites, is required of
Correct answer: medical gas systems veriers
Category 3 medical vacuum systems are classied as either
Correct answer: wet or dry systems
Alarms that continually monitor medical gas and vacuum systems that are located in a
specic area are called
Correct answer: area alarms
NFPA 99 requires that zone valves be installed so that the valve and the outlets or inlets
that it controls are separated by
Correct answer: a wall
The tint valve of eye protection used for brazing should be at least
Correct answer: 3
The four classes of fuels that can be involved in res are liquids, gases, combustible
metals, and
Correct answer: ordinary combustibles
, On behalf of the contractor, shutdown permits must be signed and dated by
Correct answer: the general contractor and the personnel performing the work
The National Fire Protection Association species the requirements for medical gases,
patient alarms, ventilation systems, and vacuum pumps that aect the safety of patients in
Correct answer: NFPA 101, Life Safety Code
Codes require that the diameter of medical gas and vacuum system tubing should be at
least
Correct answer: 1/2 inch
The minimum number of labels that each system must have per room is
Correct answer: one
Copper tube used in medical gas and vacuum systems is lled with oil-free, dry nitrogen to
prevent the insides of joints from being contaminated with
Correct answer: copper oxide
The last connecting joint on a medical gas or vacuum system is commonly called a
Correct answer: dirty joint
The tests that the AHJ is required by code to witness are the installer's
Correct answer: standing pressure and standing vacuum tests
In an operational pressure test, the maximum allowable pressure drop of a gas outlet with a
pressure of 50 psi is
Medical gas a vacuum system that are not permitted to have brief periods of downtime are
considered
Correct answer: Category 1 systems
Knowledge of the requirements in CGA M-!, Guide for Medical Supply Systems at
Consumer Sites, is required of
Correct answer: medical gas systems veriers
Category 3 medical vacuum systems are classied as either
Correct answer: wet or dry systems
Alarms that continually monitor medical gas and vacuum systems that are located in a
specic area are called
Correct answer: area alarms
NFPA 99 requires that zone valves be installed so that the valve and the outlets or inlets
that it controls are separated by
Correct answer: a wall
The tint valve of eye protection used for brazing should be at least
Correct answer: 3
The four classes of fuels that can be involved in res are liquids, gases, combustible
metals, and
Correct answer: ordinary combustibles
, On behalf of the contractor, shutdown permits must be signed and dated by
Correct answer: the general contractor and the personnel performing the work
The National Fire Protection Association species the requirements for medical gases,
patient alarms, ventilation systems, and vacuum pumps that aect the safety of patients in
Correct answer: NFPA 101, Life Safety Code
Codes require that the diameter of medical gas and vacuum system tubing should be at
least
Correct answer: 1/2 inch
The minimum number of labels that each system must have per room is
Correct answer: one
Copper tube used in medical gas and vacuum systems is lled with oil-free, dry nitrogen to
prevent the insides of joints from being contaminated with
Correct answer: copper oxide
The last connecting joint on a medical gas or vacuum system is commonly called a
Correct answer: dirty joint
The tests that the AHJ is required by code to witness are the installer's
Correct answer: standing pressure and standing vacuum tests
In an operational pressure test, the maximum allowable pressure drop of a gas outlet with a
pressure of 50 psi is