NFPA 99 MEDGAS FOR 6010 INSTALLER
Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
25 ppm - CORRECT ANSWER The ppm gaseous hydrocarbons in the medical air
system shall be less than?
32 degrees F - CORRECT ANSWER At any level of demand, the medical air dryers
shall provide air with a dew point below this temperature?
Medical air compressors - CORRECT ANSWER Which of the following is NOT
permitted to have the system supply source located outside?
A. Vacuum pumps
B. Manifolds for gas cylinders
C. Instrument air compressors
D. Medical air compressors
Duplexed - CORRECT ANSWER Regulators, filters, and dryers shall be sized to meet
the peak calculated demand. The piping format for these items shall be at a minimum?
Authority Having Jurisdiction (AHJ) - CORRECT ANSWER They can allow an
existing system, which is not in compliance with the NFPA 99 Code to remain in service.
Pressure regulator - CORRECT ANSWER Medical air supply systems operating at
different pressures shall be provided with?
Unusable - CORRECT ANSWER The removal of the outlet connection on a cryogenic
liquid container will cause the container to become?
,Laboratory - CORRECT ANSWER A building, space, room, or group of rooms
intended to serve activities involving procedures for investigation, diagnosis, or treatment in
which flammable, combustible, or oxidizing materials are to be used.
20 degrees F - CORRECT ANSWER Carbon dioxide and nitrous oxide cylinders shall
be kept from reaching temperatures below _____.
-22 degrees F - CORRECT ANSWER The master alarm shall activate when the
instrument air compressor dew point temperature exceeds _____.
Category 1 - CORRECT ANSWER In this space, alarm sensors shall be installed on
the patient's side of each individual zone valve box.
Patient care vicinity - CORRECT ANSWER The locations within 6' of the patient's bed
and 7'-6" from the ceiling, where examinations take place?
High water level - CORRECT ANSWER Where liquid ring compressors for medical
air are used, the air receiver shall have a local alarm which will shut down the system due to?
Category 4 Space - CORRECT ANSWER An area where failure of a system is not
likely to cause any physical impact on a patient.
Hyperbaric facility - CORRECT ANSWER Building or structure, used to house
hyperbaric chambers for medical applications and procedures at pressures above normal
atmospheric pressure.
Area alarm - CORRECT ANSWER The warning system that provides a continuous
visible and audible vigilant watch on Category 1 & Category 2 piping systems.
500 - CORRECT ANSWER Moisture concentration of the outlet testing during the
verifier purity test shall not exceed how many ppm?
,Local alarm - CORRECT ANSWER This alarm shall be triggered once the backup
instrument air compressor is energized.
1000 degrees F - CORRECT ANSWER The components which make up surface
mounted medical gas rails shall have a melting point of no less than _____.
10 - CORRECT ANSWER When the carbon monoxide level in a medical air system
exceeds this ppm level, the local alarm is triggered.
5 ppm - CORRECT ANSWER The most remote outlet & the source gas undergo the
verifiers piping purity test. The ppm non-methane variation between the two shall not
exceed?
Hospital - CORRECT ANSWER Building used on a 24-hour basis for medical,
psychiatric, or surgical care of 4 or more patients.
35 degrees F - CORRECT ANSWER The master alarm shall activate when the medical
air dew point goes above this temperature.
Patient care space - CORRECT ANSWER The location where a person would undergo
medical care or treatment in a health care facility.
Hypobaric facility - CORRECT ANSWER Building or structure used to house
hypobaric chambers for medical applications and procedures at pressures below atmospheric
pressure.
8 hours - CORRECT ANSWER Copper joints that have been cleaned for brazing shall
be used within this time frame?
Category 3 - CORRECT ANSWER The activities, systems, or equipment whose failure
is not likely to cause injury to patients, staff, or visitors, but can cause discomfort is _____.
, Reserve supply - CORRECT ANSWER The default supply of the central supply piping
system is the _____.
Category 1 - CORRECT ANSWER The activities, systems, or equipment whose faliure
is likely to cause major injury or death to patients, staff, or visitors.
23.5% - CORRECT ANSWER Maximum oxygen percentage in a medical air
proportioning system shall be no higher than?
4 hours - CORRECT ANSWER Orbital welded test coupons shall be inspected at the
start of work and at a minimum of how many hours thereafter?
20% - CORRECT ANSWER The master alarm will activate when the medical gas line
normal pressure increases/decreases by this percentage.
Supply source - CORRECT ANSWER The section of the central supply system that
acts as a self-contained supply.
1 hour - CORRECT ANSWER The number of cylinders in an instrument air standby
header shall be adequate for this amount of time?
20 degrees F - CORRECT ANSWER Carbon dioxide cylinders shall be prevented from
reaching temperatures below _____.
125 degrees F - CORRECT ANSWER The nitrous oxide cylinders shall be prevented
from reaching temperatures of more than _____.
0.01 - CORRECT ANSWER The quality of instrument air shall be filtered to this
micron level.
21% - CORRECT ANSWER This is the approximate percentage of the Earth's
atmosphere that is oxygen.
Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
25 ppm - CORRECT ANSWER The ppm gaseous hydrocarbons in the medical air
system shall be less than?
32 degrees F - CORRECT ANSWER At any level of demand, the medical air dryers
shall provide air with a dew point below this temperature?
Medical air compressors - CORRECT ANSWER Which of the following is NOT
permitted to have the system supply source located outside?
A. Vacuum pumps
B. Manifolds for gas cylinders
C. Instrument air compressors
D. Medical air compressors
Duplexed - CORRECT ANSWER Regulators, filters, and dryers shall be sized to meet
the peak calculated demand. The piping format for these items shall be at a minimum?
Authority Having Jurisdiction (AHJ) - CORRECT ANSWER They can allow an
existing system, which is not in compliance with the NFPA 99 Code to remain in service.
Pressure regulator - CORRECT ANSWER Medical air supply systems operating at
different pressures shall be provided with?
Unusable - CORRECT ANSWER The removal of the outlet connection on a cryogenic
liquid container will cause the container to become?
,Laboratory - CORRECT ANSWER A building, space, room, or group of rooms
intended to serve activities involving procedures for investigation, diagnosis, or treatment in
which flammable, combustible, or oxidizing materials are to be used.
20 degrees F - CORRECT ANSWER Carbon dioxide and nitrous oxide cylinders shall
be kept from reaching temperatures below _____.
-22 degrees F - CORRECT ANSWER The master alarm shall activate when the
instrument air compressor dew point temperature exceeds _____.
Category 1 - CORRECT ANSWER In this space, alarm sensors shall be installed on
the patient's side of each individual zone valve box.
Patient care vicinity - CORRECT ANSWER The locations within 6' of the patient's bed
and 7'-6" from the ceiling, where examinations take place?
High water level - CORRECT ANSWER Where liquid ring compressors for medical
air are used, the air receiver shall have a local alarm which will shut down the system due to?
Category 4 Space - CORRECT ANSWER An area where failure of a system is not
likely to cause any physical impact on a patient.
Hyperbaric facility - CORRECT ANSWER Building or structure, used to house
hyperbaric chambers for medical applications and procedures at pressures above normal
atmospheric pressure.
Area alarm - CORRECT ANSWER The warning system that provides a continuous
visible and audible vigilant watch on Category 1 & Category 2 piping systems.
500 - CORRECT ANSWER Moisture concentration of the outlet testing during the
verifier purity test shall not exceed how many ppm?
,Local alarm - CORRECT ANSWER This alarm shall be triggered once the backup
instrument air compressor is energized.
1000 degrees F - CORRECT ANSWER The components which make up surface
mounted medical gas rails shall have a melting point of no less than _____.
10 - CORRECT ANSWER When the carbon monoxide level in a medical air system
exceeds this ppm level, the local alarm is triggered.
5 ppm - CORRECT ANSWER The most remote outlet & the source gas undergo the
verifiers piping purity test. The ppm non-methane variation between the two shall not
exceed?
Hospital - CORRECT ANSWER Building used on a 24-hour basis for medical,
psychiatric, or surgical care of 4 or more patients.
35 degrees F - CORRECT ANSWER The master alarm shall activate when the medical
air dew point goes above this temperature.
Patient care space - CORRECT ANSWER The location where a person would undergo
medical care or treatment in a health care facility.
Hypobaric facility - CORRECT ANSWER Building or structure used to house
hypobaric chambers for medical applications and procedures at pressures below atmospheric
pressure.
8 hours - CORRECT ANSWER Copper joints that have been cleaned for brazing shall
be used within this time frame?
Category 3 - CORRECT ANSWER The activities, systems, or equipment whose failure
is not likely to cause injury to patients, staff, or visitors, but can cause discomfort is _____.
, Reserve supply - CORRECT ANSWER The default supply of the central supply piping
system is the _____.
Category 1 - CORRECT ANSWER The activities, systems, or equipment whose faliure
is likely to cause major injury or death to patients, staff, or visitors.
23.5% - CORRECT ANSWER Maximum oxygen percentage in a medical air
proportioning system shall be no higher than?
4 hours - CORRECT ANSWER Orbital welded test coupons shall be inspected at the
start of work and at a minimum of how many hours thereafter?
20% - CORRECT ANSWER The master alarm will activate when the medical gas line
normal pressure increases/decreases by this percentage.
Supply source - CORRECT ANSWER The section of the central supply system that
acts as a self-contained supply.
1 hour - CORRECT ANSWER The number of cylinders in an instrument air standby
header shall be adequate for this amount of time?
20 degrees F - CORRECT ANSWER Carbon dioxide cylinders shall be prevented from
reaching temperatures below _____.
125 degrees F - CORRECT ANSWER The nitrous oxide cylinders shall be prevented
from reaching temperatures of more than _____.
0.01 - CORRECT ANSWER The quality of instrument air shall be filtered to this
micron level.
21% - CORRECT ANSWER This is the approximate percentage of the Earth's
atmosphere that is oxygen.
