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Medical Gas 2021 Worksheet 4 Flashcards | StudBud
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Medical Gas 2021 Worksheet 4
Medical Gas 2021 Worksheet 4
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1
The vacuum exhaust shall not discharge ____
on a roof
above ground
in a place of public assembly
outside
2
Piping between the vacuum pump and the source shutoff valve shall be permitted to be _______.
All of these
Stainless steel pipe
Galvanized steel pipe
Black steel pipe
3
WAGD vacuum producers designed for operation at vacuums below _____ HgV
12"
5"
30"
All of these
4
A WAGD source system shall activate the ___ when the capacity of the off cycle producers is below equivalent capacity.
area alarm
Local alarm
master alarm
All of these
5
If the medical-surgical vacuum source produces WAGD, the total concentration of oxidizers shall be maintained below ___%
30
23.5
23.6
19.5
6
If a liquid ring pumps are used in a WAGD system, the seal water shall be ______.
tested by the verifier
None of these
of a quality recommended by the pump manufacturer
treated to control pathogens
7
The medical-surgical vacuum receiver shall be made serviceable without shutting down the system by _____
An isolation valve where connected with a tee
A three-way valve bypass
All of these
A three valve bypass
8
Category 1 medical-surgical vacuum sources shall consist of an automatic means to prevent __ through any off-cycle pump.
back pressure
None of these
backflow
vacuum
9
Cat 1 dedicated WAGD source shall consist of __ producers, each shall be sufficient to serve the peak calculated demand.
1 or more
4 or more
3 or more
2 or more
10
Central Supply systems for vacuum shall be provided with inlet filtration with which of the following characteristics?
Sized for 100% of the peak calculated demand
Shall be at least duplexed
All of these
Located on the patient side of the vacuum producer
11
The med. vacuum exhaust shall be turned down and screened the screening shall be fabricated using what type of material?
Any of these
steel mesh
steel wire
any non-corroding material
12
Vacuum exhausts from multiple pumps joined together to one exhaust shall be permitted provided each pump can be isolated
any of these
by a manual valve
by a blind flange
by a Check valve
13
Vacuum receivers shall be capable of withstanding a gauge pressure of __ psi & a vacuum of __ in HgV.
30, 60
150, 24
300, 12
60, 30
14
Multiple vacuum pumps shall be permitted to be joined together to 1 common exhaust provided the common exhaust is sized
to prevent backflow
to minimize back pressure
to manufacturer’s design
to peak calculated demand
15
Category 1 medical-surgical vacuum central supply systems shall, at a minimum, consist of ____ or more vacuum pumps.
Three
Four
Two
One
16
When the capacity of the medical vacuum supply system not in use is less than the equivalent capacity of one pump, a
All of these
Area alarm shall activate, this signal shall require Manual reset.
Master alarm shall activate, this signal shall require automatic reset.
Local alarm shall activate, this signal shall require Manual reset.
17
A venturi used to produce the WAGD system shall be prohibited from using ______ as the power source.
instrument air
medical air
any inert gas
water
