Gas Physics

Question 1 of 132

1

Underwater objects appear larger and closer

Select one of the following:

True
False

Explanation

Question 2 of 132

1

How much faster does sound travel and water as compared to its speed and air.

Select one of the following:

100
50
4
10

Explanation

Question 3 of 132

1

FSW to ATA. ❌. ❌

Drag and drop to complete the text.

FSW / 33

FSW • 33

FSW + 14.7

FSW. • .445

+ 1

-1

none

Explanation

Question 4 of 132

1

What are the units of measure used in diving to express pressure

Select one of the following:

PSIG PSIA. ATA ATM FSW
USAF CIA FBI ATT MMA LDS

Explanation

Question 5 of 132

1

What concentration of oxygen is required or necessary to support life

Select one of the following:

16
5

Explanation

Question 6 of 132

1

A cubic foot of Sea water weighs 62.4 pounds

Select one of the following:

True
False

Explanation

Question 7 of 132

1

The most common pollutant found in air.

Select one of the following:

Carbon monoxide
Carbon dioxide

Explanation

Question 8 of 132

1

What are three Interrelated factors that affect a divers breathing gas

Select one or more of the following:

Temperature
Pressure
Volume
Defusion
Re-fraction

Explanation

Question 9 of 132

1

What are the two factors affecting the amount of pressure acting on a diver

Select one of the following:

Weight of water weight of Atmosphere
Weight of suit
Weight of the world
Weight of last meal

Explanation

Question 10 of 132

1

What three laws represent components of the general gas law

Select one or more of the following:

Fisk law
Henry’s law
Boyles law
Charles and gay Loussac’s law

Explanation

Question 11 of 132

1

Click on the orange point and select the correct answer.

What is the mathematical expression of a general gas law

Explanation

Question 12 of 132

1

Boyles law defines the interrelationship of a gas at a constant temperature where is the volume inversely relates to pressure

Select one of the following:

True
False

Explanation

Question 13 of 132

1

Internal pressure affects the volume in Boyles law.

Select one of the following:

True
False

Explanation

Question 14 of 132

1

What diving related injury can be explained by Boyles law

Select one of the following:

POIS
PAWS
Squeezes

Explanation

Question 15 of 132

1

Any gas at a constant pressure the volume will very proportionally with the temperature as described in Henry’s law

Select one of the following:

True
False

Explanation

Question 16 of 132

1

What formula is used to represent Charles law

Select one of the following:

V2= V1•T2/T1
V1/T1 = V2/T2
V2/T1=V1/T2
V1= V2•T1/T1

Explanation

Question 17 of 132

1

Fill the blank spaces to complete the text.

Gay Loussac law expresses the relationship between what two properties of diving gases? Any gas at a constant volume the very proportionately with the absolute

Explanation

Question 18 of 132

1

Fill the blank spaces to complete the text.

Convert Fahrenheit to Celsius F=• ÷+

Explanation

Question 19 of 132

1

What concentration of oxygen is required to support combustion

Select one of the following:

12
16

Explanation

Question 20 of 132

1

Click on each orange point and select the correct answer.

Check

Explanation

Question 21 of 132

1

Fill the blank spaces to complete the text.

Convert Celsius to Fahrenheit. C = ( - ) /

Explanation

Question 22 of 132

1

Fill the blank spaces to complete the text.

Using Charles law what happens to a flexible balloon if we double the absolute temperature of the air inside? If the is and is the will .

Explanation

Question 23 of 132

1

Fill the blank spaces to complete the text.

What is the formula used to represent Gay-Lussac’s Law. P2 = P1 • /

Explanation

Question 24 of 132

1

PSIG to ATA= ❌ ❌

Drag and drop to complete the text.

/14.7

•14.7

PSIG. +14.7

PSIG. -14.7

Explanation

Question 25 of 132

1

It is easier for divers to determine the direction to a sound source under water.

Select one of the following:

True
False

Explanation

Question 26 of 132

1

PSIG to ATA= ❌ ❌

Drag and drop to complete the text.

PSIG. +14.7

PSIG. -14.7

/14.7

•14.7

Explanation

Question 27 of 132

1

Select from the dropdown lists to complete the text.

ATA to FSW. ( ATA -1, ATA + 1 ). ( •33, /33, /14.7 )

Explanation

Question 28 of 132

1

PSIG to ATA= ❌ ❌

Drag and drop to complete the text.

/14.7

•14.7

PSIG. +14.7

PSIG. -14.7

Explanation

Question 29 of 132

1

PSIG to ATA= ❌ ❌

Drag and drop to complete the text.

/14.7

•14.7

PSIG. +14.7

PSIG. -14.7

Explanation

Question 30 of 132

1

Select from the dropdown list to complete the text.

PSIG to ATM PSIG. ( /14.7, • 14.7, •33 )

Explanation

Question 31 of 132

1

Archimedes principle deals with the concept of

Select one of the following:

Pressure
Volume
Buoyancy
Temperature

Explanation

Question 32 of 132

1

And object will displace a amount of fluid equal to the volume of fluid required to completely fill or flood that object floatable volume.

Select one of the following:

True
False

Explanation

Question 33 of 132

1

MMP stands for minimum manifold pressure.

Select one of the following:

True
False

Explanation

Question 34 of 132

1

Select from the dropdown list to complete the text.

ATM to ATA ( +1, -1 )

Explanation

Question 35 of 132

1

Applying the principles of Henry’s law what is the primary factor that directly influences how much of breathing gas components gets absorbed by the divers body tissues.

Select one of the following:

Partial pressure of an inert gas in breathing media
The water temperature

Explanation

Question 36 of 132

1

Fill the blank space to complete the text.

What is the formula we used for Henry’s law calculations.

Explanation

Question 37 of 132

1

Fill the blank spaces to complete the text.

is the first color to be filtered out in water and penetrates the deepest.

Explanation

Question 38 of 132

1

What changes in a diverse environment will trigger a change and gases absorbed in her body tissues.

Select one of the following:

Depth and pressure
What they guy across the street thinks about politics and women.
The weather outside
Changes in the amount of inert gas in the breathing media

Explanation

Question 39 of 132

1

If a diver on the surface is breathing a mixture of 80% helium and 20% oxygen what happens to her body. Is the N2 replaced by the He she’s breathing?

Select one of the following:

True
False

Explanation

Question 40 of 132

1

Name two ways a diver can change her buoyancy.

Select one of the following:

Add weight
Add volume
Skip breakfast
Drink five sodas.

Explanation

Question 41 of 132

1

Boyle’s law (pressure/ volume) plays a major factor in the measurement of adequate gas and volume supplies provided from the surface to the diver

Select one of the following:

True
False

Explanation

Question 42 of 132

1

Defending an open circuit man type or free flow helmet or mask requires increasing pressure supplied to the umbilical to the units for proper function At depth.

Select one of the following:

True
False

Explanation

Question 43 of 132

1

Select from the dropdown list to complete the text.

The minimum operating pressure these regulators are sent to is called the over bottom pressure. The ( OBP, EGS, MMP ) required varies with depth.

Explanation

Question 44 of 132

1

An object will displace an amount of fluid equal to the volume of fluid required to completely fill ( flood) that object. Floodable volume

Select one of the following:

True
False

Explanation

Question 45 of 132

1

If the weight of a body is equal to that of the displaced liquid, the buoyancy is ❌.

Drag and drop to complete the text.

neutral

positive

negative

Explanation

Question 46 of 132

1

Underwater objects appear larger and closer.

Select one of the following:

True
False

Explanation

Question 47 of 132

1

The visual distortion that is due to the bending of light energy is known as ❌.

Drag and drop to complete the text.

refraction

Defraction

Hue

reflection

Explanation

Question 48 of 132

1

Select from the dropdown list to complete the text.

Sound travels ( four, five, equally ) times faster in water as compared to its speed in air.

Explanation

Question 49 of 132

1

An object will displace an amount place of fluid equal to the volume of fluid required to completely fill (flood)that object.

Select one of the following:

True
False

Explanation

Question 50 of 132

1

When the water temperate reaches 70 degrees Fahrenheit, the ambient temperature surrounding the diver are to cold for the body to generate enough heat to compensate.

Select one of the following:

True
False

Explanation

Question 51 of 132

1

At what temperature is a dry suit recommended over a wetsuit?

Select one of the following:

60
70

Explanation

Question 52 of 132

1

At what temperature it is a hot water suit recommended over a dry suit or a wetsuit?

Select one of the following:

40
30

Explanation

Question 53 of 132

1

What are the two data plate specifications that determine the usable air output of an LP compressor?

Select one of the following:

Max pressure
Input volume

Explanation

Question 54 of 132

1

The volume of breathing media in storage and the adequacy of breathing media in diving system must be able to support the following:

Select one of the following:

The pressure requirement to maintain external work load and supply structural equipment with back up system.
Conservative and minimal fuel requirements not to exceed more than 55 gallons of Diesel fuel for a 72 hour operation.
Need the consumption rate for the full duration of the plan dive including max depth bottom time decompression and designated number of divers including standby divers.
Air or gas flow and pressure requirements for the designated equipment during heavy and emergency flow requirements no cubic feet per minute and psi and calculations.

Explanation

Question 55 of 132

1

Boyles law applies most directly to the discussion of a divers air supply requirements.

Select one of the following:

True
False

Explanation

Question 56 of 132

1

What is the unit used to express the output of an LP air compressor.

Select one of the following:

ACFM
SCFM
MMP

Explanation

Question 57 of 132

1

What does the number 18 represent on a data plate as an LP air compressor which reads 18 CFM @ 100 PSIG?

Select one of the following:

Volume and take that passes through the inlet
Gallons of fuel required

Explanation

Question 58 of 132

1

In any LP diving system the compressor is always the component that determines how much breathing media it is possible to deliver to the diver

Select one of the following:

True
False

Explanation

Question 59 of 132

1

As a diver descendants will the SCF required to support him to go up or down.

Select one of the following:

Down
Up

Explanation

Question 60 of 132

1

What is the SCFM requirement for a driver to work at 99FSW using a helmet that requires 1.480 CFM of air.

Select one of the following:

6×4.5×2 = 54
4×1.4×1 = 5.6

Explanation

Question 61 of 132

1

How much air in SCFM does a compressor have to provide to support diving operations for two diapers working in 165FSW assume that the equipment being used is free flow hats .

Select one of the following:

6×4.5×2 = 54
4×1.4×1 = 5.6

Explanation

Question 62 of 132

1

How many SCF of air will a diver use in 21 minutes wearing a super light 17 in demand mode and working and 132 feet of seawater?

Select one of the following:

SCF equals ATAx ACFMx Nx T= 5×1.4×1×21 = 147 SCF
SCF equals ATAx ACFMx Nx T=. 6×4.5×2 = 54

Explanation

Question 63 of 132

1

Name two connections that each diver umbilical will have in amanifold box.

Select one of the following:

Communication box, pnneumofathometer, main and secondary air.
EGS, regulator, bailout bottle.

Explanation

Question 64 of 132

1

What is the minimum number of connections in a manifold console rack box for air supply air coming into the box from sources like compressors or banks.

Select one of the following:

Two- primary and backup
One main intake
Main back up and power line

Explanation

Question 65 of 132

1

Does MMP change if you increase the number of divers supplied from a manifold box.

Select one of the following:

Yes, Each diver pulls pressure from the system while using up the volume.
No, The more the number of divers the more volume is needed not pressure.

Explanation

Question 66 of 132

1

What is the formula for computing stowage/ total volume of air in a storage bank

Select one of the following:

PSI +14.7÷14.7x V x N
psi-MMP/14.7 x V x N

Explanation

Question 67 of 132

1

What is the formula for computing the available volume of air in a flask cylinder.

Select one of the following:

Psi+ 14.7/14.4xVxN
PSI- MMP/14.7xVxN

Explanation

Question 68 of 132

1

When computing available volume of air in a flask we do not use absolute pressure.

Select one of the following:

True
False

Explanation

Question 69 of 132

1

When computing stowage and total volume of air in a flask cylinder we do not use absolute pressure’s.

Select one of the following:

True
False

Explanation

Question 70 of 132

1

Of the following components of air are we most concerned with when discussing decompression?

Select one of the following:

N2
CO2
CO

Explanation

Question 71 of 132

1

What is the rate of a sent from the bottom to the first in water decompression stop?

Select one of the following:

30ft/min
40ft/min
10ft/min

Explanation

Question 72 of 132

1

What two factors govern inert gas absorption and the selection of a decompression schedule.

Select one of the following:

Bottom time and depth
Weight and sobriety
Age and gender

Explanation

Question 73 of 132

1

What is the maximum descent rate?

Select one of the following:

75ft/min
55ft/min
65ft/min

Explanation

Question 74 of 132

1

Define bottom time.

Select one of the following:

The time you spent on the bottom.
The time you leave the surface to the time you start to leave for the surface.
The time you leave the bottom till the time you reach the surface.

Explanation

Question 75 of 132

1

Decompression schedules are in 5/10 foot increments and 5/10 minute bottom time increments.

Select one of the following:

True
False

Explanation

Question 76 of 132

1

Fill the blank spaces to complete the text.

Air decompression tables combine three modes of decompression into one table: decompression on and water decompression on and and surface decompression on .

Explanation

Question 77 of 132

1

What is the rate of ascent from the bottom to the first in water decompression stop?

Select one of the following:

20ft/min
30ft/min
45ft/min

Explanation

Question 78 of 132

1

Using the air decompression tables when does a divers time at a stop begin.

Select one of the following:

You reach and leave your first stop only you leave all other stops and the start time starts when you leave.
When the total time elapses from when the driver left the surface to when they left bottom.

Explanation

Question 79 of 132

1

When you’re keeping record of a dive when does bottom time BT begin?

Select one of the following:

When the driver leaves the bottom
When the driver leaves the surface.
When the diver leaves their first decompression stop.

Explanation

Question 80 of 132

1

When does bottom time (BT) end.

Select one of the following:

When the diver leaves the surface.
When the diver leaves their first decompression stop.
When the diver leaves bottom.

Explanation

Question 81 of 132

1

Deepest depth of dive is defined as the deepest depth the diver obtained.

Select one of the following:

True
False

Explanation

Question 82 of 132

1

What is meant by the term maximum depth ?

Select one of the following:

Deepest depth of dive plus Pneumo correction factor.
Gas consumption calculations beyond 4.5 ACFM.

Explanation

Question 83 of 132

1

Total DECO time.

Select one of the following:

TDT
TTD
DDT

Explanation

Question 84 of 132

1

Left surface

Select one or more of the following:

LS
LB

Explanation

Question 85 of 132

1

TBT

Select one or more of the following:

Total time dive
Total deco time
Total bottom time

Explanation

Question 86 of 132

1

RNT

Select one or more of the following:

Residual nitrogen time
Reached bottom time
Reach surface time

Explanation

Question 87 of 132

1

What does the term surface interval?

Select one of the following:

The time between two dives. Think RNT designator.
The time corresponding between two different diverse
The depth difference between the two divers.

Explanation

Question 88 of 132

1

As the diver decisions and salt water how does this affect the nitrogen and her body?

Select one of the following:

Her equilibrium.
Her heart rate.
Her on gassing.

Explanation

Question 89 of 132

1

❌ is the rate of ascent from the bottom to the first in water decompression stop.

Drag and drop to complete the text.

30 ft./m

40 ft./m

25 ft./m

Explanation

Question 90 of 132

1

Using the air decompression tables when does a diverse time at stop and.

Select one of the following:

When the Diver leaves the bottom heading towards the decompression stop
When the diver actually leaves the decompression stop
The time between the first decompression stop to the surface.

Explanation

Question 91 of 132

1

What is the deepest depth and maximum time for air decompression?

Select one of the following:

500/10
300/25
250/30

Explanation

Question 92 of 132

1

30 ft./m using the decompression tables is the rate of travel between stops.

Select one of the following:

True
False

Explanation

Question 93 of 132

1

A repetitive dive is any dive I’ve conducted less than 10 minutes (SI). This is where the diver still has residual nitrogen in her tissue from the prior dive.

Select one of the following:

True
False

Explanation

Question 94 of 132

1

.The time given at the intersection of the RNT timetable (new designation) for repetitive air dives is the RN (residual nitrogen) time/number that needs to be added to the repet dive time on the no-deco dive table along with the new planned time.

Select one of the following:

True
False

Explanation

Question 95 of 132

1

Click on the orange point and select the correct answer.

At 60/39 what is the REPET group?

Explanation

Question 96 of 132

1

G Repet designation for 60 FSW with a SI of 3:31, what is the new Repet designation and time to be added?

Drag the answer into the correct orange point.

C:19

Explanation

Question 97 of 132

1

There is concern of fire/combustion when divers are breathing oxygen at an increased partial pressure in Deco Chambers.

Select one of the following:

True
False

Explanation

Question 98 of 132

1

Decompression time for a no decompression dive can be defined as left bottom to reach surface.

Select one of the following:

True
False

Explanation

Question 99 of 132

1

Maximum descent rate in the water column is 75 ft./m

Select one of the following:

True
False

Explanation

Question 100 of 132

1

Maximum ascent rate in the water column is 30ft/m which is actually between 40 ft/m and 20 ft/m.

Select one of the following:

True
False

Explanation

Question 101 of 132

1

What is the rate of ascent from the bottom to the first in water decompression stop?

Select one of the following:

40
30
50

Explanation

Question 102 of 132

1

Using the air decompression tables when does a diverse time at the first in water stop begin.

Select one or more of the following:

You reach and leave your first stop.
You leave all other stops and the start time starts when you leave.
When you reach the surface.

Explanation

Question 103 of 132

1

Using the air decompression tables when does a diverse time at other in water stops begin.

Select one or more of the following:

That time when the diver actually leaves the stop
When the diver reach surface.

Explanation

Question 104 of 132

1

The max depth and Max time for air decompression is 300/25

Select one of the following:

True
False

Explanation

Question 105 of 132

1

Using the air decompression tables what is the rate of travel between stops.

Select one or more of the following:

30 ft./m
20 ft./m
100 ft./m

Explanation

Question 106 of 132

1

In the air decompression tables travel time between stops is included in any of the decompression stop time.

Select one of the following:

True
False

Explanation

Question 107 of 132

1

Using and water air decompression how long does it take from leaving the last stop in the water to reach the surface.

Select one or more of the following:

40 seconds, at least record it as one minute.
15 seconds
Two minutes

Explanation

Question 108 of 132

1

Decompression stops on oxygen commence at what depths?

Select one of the following:

30 and 20 FSW
Bottom to midway

Explanation

Question 109 of 132

1

What is the maximum time is to take to travel Shift to O2 and ventilate all divers?

Select one of the following:

Three minutes
Two minutes
Five minutes

Explanation

Question 110 of 132

1

30 minutes to breathe 02 with a five minute air brake max is the amount of minutes a diver can continuously breath 02 without an air break at the 30 and 20 FSW stops.

Select one of the following:

True
False

Explanation

Question 111 of 132

1

Airbrakes count towards the required decompression time.

Select one of the following:

No
Yes

Explanation

Question 112 of 132

1

Is an air break required if the total oxygen stop time is 35 minutes or less?

Select one of the following:

No an air brake is not required at the 30 minute mark
Yes an air brake is required at the 30 minute mark

Explanation

Question 113 of 132

1

Is an air Brake required at the 30 minute mark if the final 02 period is 35 or less?

Select one of the following:

No
Yes

Explanation

Question 114 of 132

1

After completion of the O2 time the driver is serviced breathing ❌.

Drag and drop to complete the text.

02

Explanation

Question 115 of 132

1

Select from the dropdown list to complete the text.

And water decompression on air and oxygen is strongly recommended whenever the total decompression time in air exceeds ( 15, 20 ) minutes and service decompression on oxygen is not a viable alternative.

Explanation

Question 116 of 132

1

Oxygen toxicity is a concern when a diaper is breathing oxygen at an increased partial pressure

Select one of the following:

True
False

Explanation

Question 117 of 132

1

If a water stop is required during a cent what is the rate of travel from the bottom to that water stop.

Select one of the following:

30 FSW/min
20 FSW/ min

Explanation

Question 118 of 132

1

If you use surface decompression and no and water stops are required what is the rate of travel from the bottom to the surface.

Select one of the following:

LB two RS at 40 feet of seawater at 30 feet of seawater per. minute
100 feet of seawater per minute.

Explanation

Question 119 of 132

1

Select from the dropdown list to complete the text.

What is the maximum time it can take for the divergent go from the surface of the water RS to50 feet in the chamber. ( Four, five, six ) minutes

Explanation

Question 120 of 132

1

Utilizing surface decompression were there also in water stops it should take a diver one minute to travel from the last water stop to reach the surface.

Select one of the following:

True
False

Explanation

Question 121 of 132

1

It should take a diver four minutes to get undressed into the chamber decompressed to 50 feet in the chamber and ready to go on O2 assuming the driver has completed all in water stops and has traveled from the last water stop to the surface in the prescribed amount of time.

Select one of the following:

True
False

Explanation

Question 122 of 132

1

Utilizing surface decompression where there are in water stops what is the total I’m allowed time for the driver to go from the last water step stop at 50 feet in the chamber and ready to go on O2.

Select one of the following:

Five minutes
Three minutes

Explanation

Question 123 of 132

1

100 ft./m is the maximum rate of travel from the surface to 50 feet of seawater for surface decompression to the chamber.

Select one of the following:

True
False

Explanation

Question 124 of 132

1

When does oxygen time at 50 FSW in the chamber begin and what is the minimum amount of time the diver will breath O2 at 50 at FSW?

Select one or more of the following:

When the driver is on 02. 15 minutes on 02 at 50 feet of seawater 15 minutes on 02 at40 feet of seawater.
When the diver reaches the surface

Explanation

Question 125 of 132

1

30 minutes for surface decompression is the maximum amount of time for a divers O2 breathing period.

Select one of the following:

True
False

Explanation

Question 126 of 132

1

In surface decompression, air brakes are included in the required decompression time .

Select one of the following:

True
False

Explanation

Question 127 of 132

1

Select from the dropdown list to complete the text.

After a diver completes his required a two-time what is the rate of travel from 50 40 and 30 feet in the chamber to the surface. ( 30, 40 ).

Explanation

Question 128 of 132

1

A dive within a SI of >:10 is a repetitive dive.

Select one of the following:

True
False

Explanation

Question 129 of 132

1

If a diver has an SI of less than 10 minutes what is the RNT to be equal to?

Select one of the following:

A continuation of the dive it is the same dive
Total bottom time
total decompression time

Explanation

Question 130 of 132

1

What are the four pieces of information you need to determine a divers RNT on a repetitive dive.

Select one or more of the following:

Repair group from last dive
Time the diver reached bottom on last dive
Return to service from previous dive
Left service of previous dive
Left surface for current dive
Depth of last dive
Depth of current dive

Explanation

Question 131 of 132

1

	Created by Ve'Laura Bradshaw over 6 years ago

Quiz on Untitled, created by Ve'Laura Bradshaw on 06/27/2018.

Gas Physics

Question 1 of 132

Underwater objects appear larger and closer

Select one of the following:

Explanation

Question 2 of 132

How much faster does sound travel and water as compared to its speed and air.

Select one of the following:

Explanation

Question 3 of 132

FSW to ATA. ❌. ❌

Drag and drop to complete the text.

Explanation

Question 4 of 132

What are the units of measure used in diving to express pressure

Select one of the following:

Explanation

Question 5 of 132

What concentration of oxygen is required or necessary to support life

Select one of the following:

Explanation

Question 6 of 132

A cubic foot of Sea water weighs 62.4 pounds

Select one of the following:

Explanation

Question 7 of 132

The most common pollutant found in air.

Select one of the following:

Explanation

Question 8 of 132

What are three Interrelated factors that affect a divers breathing gas

Select one or more of the following:

Explanation

Question 9 of 132

What are the two factors affecting the amount of pressure acting on a diver

Select one of the following:

Explanation

Question 10 of 132

What three laws represent components of the general gas law

Select one or more of the following:

Explanation

Question 11 of 132

Click on the orange point and select the correct answer.

What is the mathematical expression of a general gas law

Explanation

Question 12 of 132

Boyles law defines the interrelationship of a gas at a constant temperature where is the volume inversely relates to pressure

Select one of the following:

Explanation

Question 13 of 132

Internal pressure affects the volume in Boyles law.

Select one of the following:

Explanation

Question 14 of 132

What diving related injury can be explained by Boyles law

Select one of the following:

Explanation

Question 15 of 132

Any gas at a constant pressure the volume will very proportionally with the temperature as described in Henry’s law

Select one of the following:

Explanation

Question 16 of 132

What formula is used to represent Charles law

Select one of the following:

Explanation

Question 17 of 132

Fill the blank spaces to complete the text.

Gay Loussac law expresses the relationship between what two properties of diving gases? Any gas at a constant volume the very proportionately with the absolute

Explanation

Question 18 of 132

Fill the blank spaces to complete the text.

Convert Fahrenheit to Celsius F=• ÷+

Explanation

Question 19 of 132

What concentration of oxygen is required to support combustion

Select one of the following:

Explanation

Question 20 of 132

Click on each orange point and select the correct answer.

ATA to FSW. ( ATA -1, ATA + 1 ). ( •33, /33, /14.7 )

PSIG to ATM PSIG. ( /14.7, • 14.7, •33 )

ATM to ATA ( +1, -1 )