Self Test Questions

Front 1

Type L and Type K

Back 1

2 types of copper that can be used for medical gas piping

Front 2

1/2" pipe

Back 2

Minimum size of copper tube permitted for medical gas distribution pipe

Front 3

Oil or Grease

Back 3

Medical gas piping must be free of these

Front 4

Threaded Fittings

Back 4

Small diameter piping under 1/2" may be joined

Front 5

Silver Brazing

Back 5

Approved method of joining copper tube and fittings

Front 6

Dissimilar metals

Back 6

You should use flux when joining

Front 7

Nitrogen

Back 7

Gas that must be present in the piping system while joints are being brazed

Front 8

1.8 M (6')

Back 8

Maximum horizontal support spacing for 1/2"

Front 9

2.4 M (8')

Back 9

Maximum horizontal support spacing for 3/4"

Front 10

Green lettering/ white background

Back 10

Colour coding for oxygen piping should be

Front 11

White or silver lettering/ black background

Back 11

Colour coding for nitrogen piping should be

Front 12

Trisodium phosphate and sodium carbonate

Back 12

Approved cleaning materials for degreasing copper tube and fittings

Front 13

1030 kPa (150 psi)

Back 13

Minimum test pressure for a medical gas distribution system

Front 14

415 kPa (60 psi)

Back 14

Maximum test pressure for a medical vacuum system

Front 15

827 kPa ( 120 psi)

Back 15

Minimum test pressure for a nitrogen system designed to operate at 120 psi

Front 16

Ambient pressure

Back 16

During a 24 hour test, is any pressure fluctuation permitted in a medical gas piping system

Front 17

Oil free air or oil free nitrogen

Back 17

A cross connection test on each medical gas piping systems use

Front 18

Back up system

Back 18

All medical gas piping systems and medical vacuum systems must have one in case of power failure or low supply in the primary system

Front 19

Reciprocating Compressor

Back 19

The most common compressor

Front 20

Water, Air, Dirt

Back 20

Compressed air may have impurities such as

Front 21

Pneumatic systems

Back 21

Another name for compressed air system

Front 22

Intercoolers

Back 22

Coolers the air between stages of a two staged compressor 10 degrees

Front 23

Amount of water in atmosphere

Back 23

What is relative humidity

Front 24

multi stage compressor

Back 24

Has more then one Cylinder

Front 25

Dew point

Back 25

When air reaches 100% humidity

Front 26

Down stream of receiver tank

Back 26

Where are air dryers installed

Front 27

5 PSI

Back 27

Pressure drop in a compressed air system should not exceed

Front 28

Dirt pockets for automatic drains

Back 28

what component is an air outlet installed with

Front 29

Receiver, relief valve, drain, pressure guage

Back 29

Air receiver tanks should be equipped with

Front 30

Decrease pressure

Back 30

Unloaders for compressors are used to

Front 31

Belt driven

Back 31

Most compressors are

Front 32

Black iron pipe

Back 32

Materials (pipe) used for compressed air systems

Front 33

15 PSI

Back 33

Pressure switches usually have a differential pressure of

Front 34

Reciprocating compressor

Back 34

Piston type compressors are also known as

Front 35

Suction inlet to the compressor

Back 35

Pre filters are installed at the

Front 36

Compressor and recevier

Back 36

Aftercoolers are installed between