Medgas100number2

100 Questions | By Pbarton | Updated: Mar 21, 2022 | Attempts: 1586

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Questions from 6010 installer course

Questions and Answers

1.

Runouts from horizontal mains or branches shall be taken off ________ the centerline of the pipeline.
- A.
  
  Above
- B.
  
  Below
- C.
  
  At
- D.
  
  Any of the above
2.

While brazing medical-gas copper joints, a purge gas shall flow continuously to prevent the formation of copper oxide on the inside surface of the joint. What shall be used as a purge gas?
- A.
  
  Oil-free, dry Argon MD
- B.
  
  Oil-free, dry Helium NF
- C.
  
  Oil-free, dry Nitrogen NF
- D.
  
  Any inert gas
3.

Which of the following filler metals shall be used to braze copper-to-copper joints in medical gas/vacuum distribution piping?
- A.
  
  BAg series
- B.
  
  BAu series
- C.
  
  BCuP series
- D.
  
  BNi series
4.

Tubing for positive pressure medical gas systems delivered from the manufacturer shall be__________________.
- A.
  
  Plugged or capped
- B.
  
  Harddrawn seamless
- C.
  
  Identified as “oxy” or “med”
- D.
  
  All of the above
5.

In positive pressure systems, area alarm sensors for vital life support and critical care areas shall be located on which side of the zone valve box assemblies?
- A.
  
  Patient room side
- B.
  
  Outlet/inlet side
- C.
  
  Downstream side
- D.
  
  All of the above
6.

The master alarm system shall activate when the pressure in the main supply lines increase or decrease by __________ percent.
- A.
  
  10
- B.
  
  20
- C.
  
  40
- D.
  
  50
7.

All medical gas alarm systems shall have a ____________ audible indication for each condition monitored.
- A.
  
  Adjustable
- B.
  
  Cancelable
- C.
  
  Optional
- D.
  
  All of the above
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.
- A.
  
  True
- B.
  
  False
9.

Since dew point and carbon monoxide monitors are located upstream of the source valve, demand check fittings are not required.
- A.
  
  True
- B.
  
  False
10.

Where shall pressure indicators be provided for medical gas systems?
- A.
  
  On the main supply line
- B.
  
  At the area alarm
- C.
  
  Outlet/inlet side of zone valve
- D.
  
  All of the above
11.

The scale range of positive pressure analog indicators shall have the normal reading fall within the_________ percentage of the gage scale.
- A.
  
  25
- B.
  
  50
- C.
  
  75
- D.
  
  100
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.
- A.
  
  True
- B.
  
  False
13.

The factory installed tubing on station outlets/inlets shall extend no further than ______ from the body of the terminal.
- A.
  
  6"
- B.
  
  8"
- C.
  
  10"
- D.
  
  12"
14.

Each station outlet/inlet for medical gas or vacuum shall be ____________.
- A.
  
  Interchangeable
- B.
  
  Gas-specific
- C.
  
  Threaded
- D.
  
  Quick-coupler
15.

What is the name given to the shutoff valve installed on all lateral branch piping from a main or riser?
- A.
  
  Riser
- B.
  
  Service
- C.
  
  Zone
- D.
  
  Main
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.
  
  Main
- B.
  
  Supply
- C.
  
  Source
- D.
  
  Isolation
17.

All valves except zone valve box assemblies shall be ________________.
- A.
  
  In a secured area
- B.
  
  Locked or latched
- C.
  
  Labeled appropriately
- D.
  
  All of the above
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.
- A.
  
  True
- B.
  
  False
19.

What is the minimum number of compressors required in an instrument air system that employs a standby header?
- A.
  
  0
- B.
  
  1
- C.
  
  2
- D.
  
  3
20.

Instrument air systems shall be permitted to interconnect with medical air systems that have at least two or more compressors.
- A.
  
  True
- B.
  
  False
21.

The quality of the instrument air shall be _________________.
- A.
  
  Filtered to .01 micron
- B.
  
  Free of liquids
- C.
  
  Free of hydrocarbon vapors
- D.
  
  All of the above
22.

A Level 1 dedicated WAGD source shall consist of _____ or more producers, each shall be sufficient to serve the peak calculated demand.
- A.
  
  One
- B.
  
  Two
- C.
  
  Three
- D.
  
  All of the above
23.

Vacuum receivers shall be capable of withstanding a gage vacuum of ________ inches of mercury.
- A.
  
  29
- B.
  
  29.9
- C.
  
  30
- D.
  
  All of the above
24.

Level 1 medical-surgical vacuum sources shall consist of an automatic means to prevent_____________ through any off-cycle vacuum pump.
- A.
  
  Pressure loss
- B.
  
  Back pressure
- C.
  
  Backflow
- D.
  
  All of the above
25.

Carbon monoxide shall activate the required alarms when the CO level exceeds ________.
- A.
  
  5 ppm
- B.
  
  10 ppm
- C.
  
  15 ppm
- D.
  
  20 ppm