WS 1

Question 1

An existing system that is not in strict compliance with the provisions of this code, shall be permitted to be continued in use, as long as the authority having jurisdiction has determined that duck use does not constitute a distinct hazard to life. True or false?

Answer 1

True

Question 2

Cylinder and cryogenic liquid containers outlet connections shall be so designed, as to render the attachment point unusable when removed. True or false?

Answer 2

True.

Question 3

Which system shall not be permitted to be located in an outdoor enclosure?

Answer 3

Medical air sources

Question 4

Acetylene cylinders are permitted to be stored in a medical gas manifold room as long as adequate mechanical ventilation is provided. True or false?

Answer 4

False.

Question 5

Cylinders in use and in storage shall be prevented from reaching temperatures in excess of what degree?

Answer 5

130 degrees Fahrenheit

Question 6

Locations for central supply systems shall have electrical outlets and devices located where?

Answer 6

Where they are protected from damage.

Question 7

Line pressure regulators, when used for bulk cryogenic liquid systems shall be of a ______ design?

Answer 7

Balanced

Question 8

All pressure relief valves shall be made of brass, bronze, or…

Answer 8

Stainless steel

Question 9

When vented to the outside, the relief valve vent lines shall be labeled in any manner that will distinguish them from the medical gas pipeline. True or false?

Answer 9

True.

Question 10

In central supply systems using gas or liquid cylinders, each header shall have a ____ to prevent debris from entering the manifold controls.

Answer 10

Filter.

Question 11

Manifolds for gas cylinders without reserve shall consist of ____ equal headers; each with an average day’s supply, but not fewer than _____ connections.

Answer 11

Two; two

Question 12

Manifolds for gas cylinders shall have a ____ sign that visibly indicates the operating status of the equipment, and shall activate an indicator at all ____ alarm panels when or at a predetermined set point before the secondary header begins to supply the system.

Answer 12

Local; master

Question 13

The reserve header in a cryogenic liquid cylinder system shall have sufficient gas cylinder connections for an average day’s supply, but never fee than ____ connections

Answer 13

3

Question 14

The gas produced by evaporation from the secondary header in a cryogenic liquid cylinder system, shall enter the supply system _____ of the final line regulator.

Answer 14

Upstream

Question 15

When multiple buildings are served from a single oxygen source, where is it required to place the emergency oxygen supply connection?

Answer 15

Each building served.

Question 16

An in-building emergency reserve system can never be substituted for the EOSC. True or false?

Answer 16

False.

Question 17

Materials used in those potions of the systems intended to handle oxygen at gauge pressures greater than 350 psi shall contain no _____ material

Answer 17

Polymeric

Question 18

Any inhalation agent used to produce sedation, analgesia, or general anesthesia is:

Answer 18

Anesthetic

Question 19

A bulk oxygen system is an assembly of equipment that has a storage capacity of more than ____ ft^3

Answer 19

20,000

Question 20

A cylinder is a supply tank containing high-pressure gases at pressures that can be in excess of ____ psi gauge

Answer 20

2,000

Question 21

Nitrous oxide and carbon dioxide using cylinders or portable containers shall be prevented from reaching temperatures lower than ____ degrees F

Answer 21

-20 degeees F

Question 22

Final line pressure regulators shall be provided with duplex line pressure regulators piped in parallel. True or false?

Answer 22

True.

Question 23

A variant on the cryogenic liquid container manifold shall be permitted to have three headers. Such a variant shall have a minimum of ___ connections required for each of the primary and secondary headers.

Answer 23

Two

Question 24

Bulk cryogenic liquid storage systems shall be in accordance with NFPA 55. True or false?

Answer 24

True.

Question 25

Levels 1,2,3 are retitled Categories 1,2,3 and are covered in chapter 4. Which category does a major injury or death to patients or caregivers result, due to loss of system?

Answer 25

Category 1

Question 26

When designing construction for central supply systems, the storage shall meet which requirements?

Answer 26

Shall have a minimum of two entry exits.

They shall secure all cylinders and containers

And if indoors, shall have a minimum of 1 hour fire resistance rating.

Question 27

The Emergency Oxygen Supply Connection (EOSC) is permitted to be obstructed as long as it is available 24/7. True or false?

Answer 27

False.

Question 28

Bulk cryogenic liquid systems require 3 feet or clearance around what?

Answer 28

Storage container
Vaporizer
And manifolds for maintenance

Question 29

Cylinder contents shall be identified in accordance with CGA C-7 with labels or stencils. True or false?

Answer 29

False.

Question 30

Control equipment such as final line regulators, relief valves and multiple pressure distribution, that is physically remote from the supply system, shall be installed with a secure enclosure. True or false?

Answer 30

True.

Question 31

Medical air pressure relief valve(s) shall be set at ____ percent above line pressure?

Answer 31

50%

Question 32

A main line valve is required if the source is remote from the building and over 20,000 cubic feet. True or false?

Answer 32

True.

Question 33

The NFPA 99 does not cover veterinary facilities or laboratories. It only covers medical gas and vacuum systems used for human patients. True or false?

Answer 33

True.

Question 34

Are all healthcare facilities including doctor’s and dentist’s offices covered by NFPA 99 as long as they have medical gases installed?

Answer 34

Yes.

Question 35

Per NFPA 99 the hospital facility director is now permitted to be the Authority Having Jurisdiction (AHJ). True or false?

Answer 35

True.