Chapter 3 In respiratoy care equipment. Manufacture, storage and transport of medical gases.

Question 1

Air

Answer 1

A colorless orderless gas mixture that contains approximatley 78% nitrogen and 21% oxygen , 1% of other gases.

Question 1

CGA

Answer 1

Compressed Gas Association

Question 2

What is the denisty of air?

Answer 2

1.29 kg/m3 at 21 degress celcius and 760 mm Hg.

Question 3

How much of the earths atmosphere is oxygen.

Answer 3

20.9%

Question 4

Liquefaction

Answer 4

Liquid air is air liquefied at -196°C at atmospheric pressure.

Question 5

Fractional distillation

Answer 5

the separation of a mixture into its component parts, or fractions. Relies on the Joule-Kelvin effect.

Question 6

Physical seperate of air

Answer 6

Accomplished with devices such as molecular sieves and semipermeable membranes to filter room air.

Question 7

What is the denisty of CO2

Answer 7

1.833 kg/m3 at 21.1 degree celcuis and 1 atm.

Question 8

At what temperature can CO2 Exist as a gas, solid and liquid

Answer 8

-56.6 degree celcius and a pressure of 60.4 psig

Question 9

What is the name for CO2 if i goes below its tripple point.

Answer 9

Dry ice

Question 10

What are the percentages in Carbon diociode - oxygen mixtures

Answer 10

5-10 % carbon dioide and 90-95% oxygen.

Question 11

What is the density for Helium?

Answer 11

0.165 kg/m3 at 21.1 degree celcius at 1 atm

Question 12

What is the maxium amount of Helium that can be obtained from natural gasses?

Answer 12

2%

Question 13

What is the alternative way to produce Helium?

Answer 13

By heating urannium ore.

Question 14

What is the percentages of heliox gas?

Answer 14

80% helium and 20% oxygen or 70;30 and 60;40

Question 15

Nitric oxide

Answer 15

A colorless gas that has a slight mettalic order at room temperature. Powerful pulmonary vasodialotor

Question 16

What is the density of nitiric oxide

Answer 16

1.245 kg/m3

Question 17

Nitrous oxide

Answer 17

A potent anesthetic when aminstered in high concentrations.

Question 18

What is the other name for nitrous oxide

Answer 18

Laughing gas.

Question 19

What are compressed gas cylinders made out of?

Answer 19

Seamless high quality steel, chrome-molybdenum or aluminum.

Question 20

Type 3AA cylingders

Answer 20

produced by heat treated high stenght steel.T

Question 21

Type 3AL cylinders

Answer 21

Are constructed with specially prescribed seamless aluminum alloys.

Question 22

Type 3 Cylinders

Answer 22

made of low carbon steel

Question 23

The process of filling and refilling gas cyliders involves 4 steps

Answer 23

• Cylinder prefill inspection
• Cylinder filling
• Post fill procedures
• Appropraite documentation.

Question 24

Respiratory Mainly use what kinds of cylinders

Answer 24

E and H types

Question 25

When ae E cylinders typically used?

Answer 25

A source of oxygen in an emergency situtation. Found in Crash Carts

Question 26

When are H cylinders typically used?

Answer 26

Primary method of storing oxygen and other medical gases.

Question 27

What color are oxygen cylinders

Answer 27

White

Question 28

What color are compressed air cylinders painted

Answer 28

Yellow or black and white

Question 29

What is the color for oxygen tanks in the UNITED STATES

Answer 29

Green

Question 30

What color is compressed air cylinfers in the United States?

Answer 30

Yellow.

Question 31

What color are the CO2 cylinders in the United States

Answer 31

Grey

Question 32

What are cylinder valves?

Answer 32

A control device that seals the contents of a compression cylinder

Question 33

What are the parts of a cylinder valve

Answer 33

A chrome plated brass body A thread inlet connector for attachment to the cylinder. A stem that open and closes the cylinder An outlet connection that allows for attachment of regulartors and pressure reducing valves. A pressure relief valve

Question 34

What is a direct acting valve.

Answer 34

contains two fiber washer amd teflon packaging to prevent gas leakage around the threads. can withstand over 1500 psi

Question 35

What are diaphragm valves

Answer 35

Valves that use a threaded stem in place of packaging found on direct valves. Preferably better to use when pressure is lower that 1500 psi

Question 36

What are the 3 pressure release valves called?

Answer 36

Rupture disk fusible plugs spring loaded devices

Question 37

What is a rupture/ frangible disk?

Answer 37

A thin metal disk that ruptures or buckles when the pressure inside the pressure cylinder exceeds a certain limit.

Question 38

What is a fusible plug?

Answer 38

Made of a metal alloy that melts when the temperature of the gas in the tank exceed the predetermined temperature.

Question 39

What is a spring loaded device

Answer 39

Designed to release excessive cylinder pressure and reseal preventing further releas of gas from the cylinder.

Question 40

THE ASSS

Answer 40

The American Standard Safety System

Question 41

PISS

Answer 41

Pin Index Safety System

Question 42

What is the formual used to estimate the duration of oxygen supply in a gas cylinder

Answer 42

Clyinder Pressure (psi) x Cylinder factor ------------------------------------------------------- Flow rate of gas (L/M) = Duration of flow in minutes

Question 43

What is the threshold for a bulk oxygen system?

Answer 43

20,000 Cu ft

Question 44

Thrope tube flowmeter

Answer 44

A Thorpe tube flowmeter, a type of variable-area flowmeter, or a rotameter, is an instrument used to directly measure the flow rate of a gas in medical instrument

Question 45

Piston Compressors

Answer 45

Use the action of a motor driven piston to compress atmospheric air.

Question 46

What is the volume pressure constant for the E tank

Answer 46

0.28

Question 47

What is the volume pressure constant or the G tank

Answer 47

2.41

Question 48

What is the volume pressure constant on the H and K tank

Answer 48

3.14