1.
A. 
B. 
C. 
D. 
2.
A. 
B. 
C. 
Oil-free, dry Nitrogen NF
D. 
3.
Which of the following filler metals shall be used to braze copper-to-copper joints in medical gas/vacuum distribution piping?
A. 
B. 
C. 
D. 
4.
A. 
B. 
C. 
Identified as “oxy” or “med”
D. 
5.
A. 
B. 
C. 
D. 
6.
The master alarm system shall activate when the pressure in the main supply lines increase or decrease by __________ percent.
A. 
B. 
C. 
D. 
7.
All medical gas alarm systems shall have a ____________ audible indication for each condition monitored.
A. 
B. 
C. 
D. 
8.
The master alarm system shall consist of two or more alarm panels, a centralized computer system shall not be permitted to be used as a substitute for one of the required master alarm panels.
9.
Since dew point and carbon monoxide monitors are located upstream of the source valve, demand check fittings are not required.
10.
Where shall pressure indicators be provided for medical gas systems?
A. 
B. 
C. 
Outlet/inlet side of zone valve
D. 
11.
The scale range of positive pressure analog indicators shall have the normal reading fall within the_________ percentage of the gage scale.
A. 
B. 
C. 
D. 
12.
Station inlets for WAGD service shall be legibly marked to identify them and shall be of a type appropriate for the flow and vacuum level required by the facility’s gas anesthetic machines.
13.
The factory installed tubing on station outlets/inlets shall extend no further than ______ from the body of the terminal.
A. 
B. 
C. 
D. 
14.
Each station outlet/inlet for medical gas or vacuum shall be ____________.
A. 
B. 
C. 
D. 
15.
What is the name given to the shutoff valve installed on all lateral branch piping from a main or riser?
A. 
B. 
C. 
D. 
16.
A shutoff valve shall be placed at the immediate connection of each source system to the distribution piping system. What is the name given to the valve?
A. 
B. 
C. 
D. 
17.
All valves except zone valve box assemblies shall be ________________.
A. 
B. 
C. 
D. 
18.
Where instrument air systems are provided with standby headers, in the event of a compressor failure, the standby header shall automatically serve the system.
19.
What is the minimum number of compressors required in an instrument air system that employs a standby header?
A. 
B. 
C. 
D. 
20.
21.
The quality of the instrument air shall be _________________.
A. 
B. 
C. 
Free of hydrocarbon vapors
D. 
22.
A Level 1 dedicated WAGD source shall consist of _____ or more producers, each shall be sufficient to serve the peak calculated demand.
A. 
B. 
C. 
D. 
23.
A. 
B. 
C. 
D. 
24.
Level 1 medical-surgical vacuum sources shall consist of an automatic means to prevent_____________ through any off-cycle vacuum pump.
A. 
B. 
C. 
D. 
25.
Carbon monoxide shall activate the required alarms when the CO level exceeds ________.
A. 
B. 
C. 
D. 
26.
Where charcoal filters are required, a colormetric hydrocarbon indicator shall be provided.
27.
Where liquid ring compressors are used, air receivers shall be equipped with a high water level sensor that activates a(n) ________________ alarm indicator.
A. 
B. 
C. 
D. 
28.
The compressor air intakes shall be located outdoors above roof level at a minimum distance of__________ above the ground.
A. 
B. 
C. 
D. 
29.
Where medical air piping systems at different operating pressures are required, the piping shall separate after the __________.
A. 
B. 
C. 
D. 
30.
If dryers, filters and regulators are sized to serve the peak calculated demand, they shall not be duplexed.
31.
Level 1 medical air compressors shall be sized to serve the peak calculated demand and in no case shall there be fewer than _____ compressors.
A. 
B. 
C. 
D. 
32.
Receivers for medical air shall be equipped with _____________.
A. 
B. 
Automatic and manual drains
C. 
D. 
33.
__________ connectors shall connect the air compressors with their intake and outlet piping.
A. 
B. 
C. 
D. 
34.
Compressors for medical air shall be designed to prevent the introduction of contaminants or liquid into the piping system.
35.
Medical air sources shall be used only for _________ and calibration of medical respiratory devices.
A. 
B. 
C. 
D. 
36.
Where the bulk cryogenic liquid oxygen supply system is outside of and remote from the building served, a _________ connection shall be installed.
A. 
B. 
C. 
D. 
37.
An in-building emergency reserve system can be substituted for the EOSC.
38.
Bulk cryogenic liquid system sites shall have allowance for at least ____ of clearance around the storage container, vaporizer and the pressure-regulating manifold.
A. 
B. 
C. 
D. 
39.
Installers of bulk cryogenic liquid systems shall be qualified to meet CGA M-1 Standard, Guide for Medical Gas Installations at Consumers Sites.
40.
Manifolds for cryogenic liquid cylinders shall indicate when or at a predetermined set point before the reserve contents fall to one day’s average supply, indicating _______.
A. 
B. 
C. 
D. 
41.
Manifolds for cryogenic liquid cylinders shall consist of __________ equal headers; each having sufficient number of liquid containers for an average day’s supply.
A. 
B. 
C. 
D. 
42.
Manifolds for gas cylinders without reserve shall consist of ___________ equal headers; each with an average day’s supply, but not fewer than _________ connections.
A. 
B. 
C. 
D. 
43.
Relief valves shall be vented to the ___________, except compressed air systems having less than 3000 cubic feet at STP.
A. 
B. 
C. 
D. 
44.
All pressure relief valves shall be made of brass, bronze or ____________.
A. 
B. 
C. 
D. 
45.
Louvered openings for natural ventilation shall have a minimum free area of __________.
A. 
B. 
C. 
D. 
46.
Locations for central supply systems and the storage of medical gases shall be secured with lockable doors or gates.
47.
A. 
B. 
C. 
D. 
48.
Which of the following systems shall not be permitted to be located in the same indoor enclosure?
A. 
Bulk cryogenic liquid system
B. 
Manifolds for cryogenic liquid cylinders
C. 
Manifolds for gas cylinders with or without reserve
D. 
Instrument air standby leader
49.
Liquid containers shall have additional product identification visible from all directions with a minimum of _____ inch high letters such as a 360 degree wrap-a-round tape for medical liquid containers.
A. 
B. 
C. 
D. 
50.
Which of the following hazards shall be considered in the design, installation, testing and maintenance of medical gas and vacuum piping systems?
A. 
B. 
C. 
D.