Rated A+
A ______ system is an assembly of equipment such as storage containers, pressure
regulators, pressure relief devices, vaporizers, manifolds, and interconnecting piping
that has a storage capacity of more than 20,000 cubic feet (at normal temperature and
pressure), including unconnected reserves on hand at the site.
a. Bulk oxygen
b. High pressure maniifold
c. Micro bulk
d. Vacuum - ANSWER-a
A bulk cryogenic supply contains parallel-piped duplex line regulators. Which of the
following is a requirement for the regulators?
a. A balanced design
b. Check valves on the source side of each regulator
c. Contains NO polymeric materials.
d. Each regulator sized for 110 percent of the peak calculated demand - ANSWER-a
A document in which the main text contains only mandatory provisions. Non-mandatory
provisions are located in the appendix or the annex. This is the NFPA 99 definition for
which of the following?
a. Code
b. Guide
c. Reference
d. Standard - ANSWER-d
A facility is in the planning stages of installing an emergency oxygen service connection
(EOSC). How many feet is the minimum amount of clearance required around this
connection?
a. 1 foot
b. 3 feet
c. 5 feet
d. Clearance must be 1-1/2 times the width of the auxiliary source for servicing the
system - ANSWER-b
A medical gas master or area alarm panel should be set to actuate a(an) _______
indicator when the communication with an alarm initiating device is disconnected.
a. Audible
b. Audible and visual
c. High and low
, d. Visual - ANSWER-b
A new bulk system is to be installed at a local hospital. New, in compliance with NFPA
70, wiring will be installed underground from the initiating device to a junction box
located where the wiring first enters the building. NFPA 99 permits what minimum
number of sets of wires to connect the initiating device with the junction box for each
signal?
a. 1
b. 2
c. 3
d. 4 - ANSWER-a
A patient care room is any room of a health care facility wherein patients are intended to
be _____.
a. Either admitted or discharged
b. Examined or treated
c. Interviewed
d. Sent for x-rays - ANSWER-b
A standard gauge pressure of 160-185 psi applies to which of the following?
a. Instrument air
b. Laboratory air
c. Laboratory vacuum
d. Non-medical air - ANSWER-a
A valve installed in each medical gas and vacuum piping system shall be tested to verify
which of the following?
a. Date of installation
b. Flow and pressure drops
c. Pressure range
d. Proper operation and rooms or areas of control - ANSWER-b
A wireless communication device is employed in a medical gas or vacuum warning
system. Which type of supervision is required for this device?
a. A visual indicator shall be located in the maintenance office or engineering
department
b. The device shall be installed at the medical gas or vacuum source
c. The device shall be located at a nurse's station
d. The device will be supervised such that failure of communications shall initiate an
alarm - ANSWER-d
All fittings for medical gas work shall be kept separate from other tools, and kept free of
grease or oil. If cleaned, only a degreaser such as _______ is permitted.
a. A natural citrus solvent cleaner-degreaser
b. Goop or GoJo hand cleaner
c. Trisodium phosphate or sodium carbonate