lesson 1. Quick Rev Notes

Question 1

MKS

Answer 1

METER KILOGRAM SECOND

Question 2

F P S

Answer 2

FOOT POUND SECOND

Question 3

THE U.S TON

Answer 3

2000 POUNDS

Question 4

THE IMPERIAL TON

Answer 4

2240 LBS

Question 5

THE TONNE

Answer 5

1000 KG

Question 6

1 BAR = ?

Answer 6

14.504 PSI
10 MSW

Question 7

1 ATM= ?

Answer 7

14.696 PSI
33 FSW

Question 8

ABSOLUTE PRESSURE = ?

Answer 8

GAUGE PRESSURE + 1
IN MSW =DIVIDE BY 10 + 1
IN FSW = DIVIDE BY 33 + 1

Question 9

ABSOLUTE DEPTH (MSW)= ?

Answer 9

DEPTH (MSW) + 10(MSW)

Question 10

ABSOLUTE TEMPERATURE (K) = ?

Answer 10

TEMPERATURE IN DEGREES CELSIUS + 273

Question 11

ABSOLUTE TEMPERATURE IN RANKIN = ?

Answer 11

TEMPERATURE IN FAHRENHEIT + 460

Question 12

FREE GAS VOLUME = ?

Answer 12

FLOODABLE VOLUME X PRESSURE

Question 13

TIME AVAILABLE = ?

Answer 13

GAS AVAILABLE DIVIDED BY GAS CONSUMPTION

Question 14

FREE GAS VOLUME (PSI) = ?

Answer 14

VOLUME WHEN FULL BY AVAILABLE PRESSURE
DIVIDED BY PRESSURE WHEN FULL

Question 15

FINAL PRESSURE (TEMPERATURE CALCULATION)

Answer 15

FINAL PRESSURE = INITIAL PRESSURE X FINAL TEMPERATURE IN (KELVIN = C + 273) (RANKIN = F + 460)
DIVIDED BY THE INITIAL TEMPERATURE IN (KELVIN= C + 273) (RANKIN = F + 460)

Question 16

BUOYANCY
UPTHRUST = ?

Answer 16

Volume of water displaced x Density of water.

Question 17

PARTIAL PRESSURE = ?

Answer 17

ABSOLUTE PRESSURE X DECIMAL PERCENTAGE

Question 18

PARTIAL PRESSURE OF OXYGEN TOO LOW = ?

Answer 18

ANOXIA OR HYPOXIA

Question 19

PARTIAL PRESSURE OF OXYGEN TOO HIGH = ?

Answer 19

CHRONIC HYPEROXIA (LUNG DAMAGE)
ACUTE HYPEROXIA (VERRY UNPLEASANT AND CAN BE FATAL)

Question 20

METRIC SYSTEM PARTIAL PRESSURE

Answer 20

PATRIAL PRESSURE(mb) = ABSOLUTE DEPTH(MSW) x PERCENTAGE

Question 21

HOW TO FIND PARTIAL PRESSURE = ?

Answer 21

ABSOLUTE PRESSURE X DECIMAL PERCENTAGE

Question 22

HOW TO FIND ABSOLUTE PRESSURE = ?

Answer 22

PATRIAL PRESSURE DIVIDED BY DECIMAL PERCENTAGE

Question 23

HOW TO FIND DECIMAL PERCENTAGE =?

Answer 23

PARTIAL PRESSURE DIVIDED BY ABSOLUTE PRESSURE

Question 24

FINAL PRESSURE = ?

Answer 24

Initial Pressure x Final temperature (K)
Divided by Initial temperature (K)

Question 25

ABSOLUTE DEPTH (MSW) =?

Answer 25

DEPTH(MSW) + 10

Question 26

ABSOLUTE DEPTH (FSW) = ?

Answer 26

DEPTH (FSW) + 33

Question 27

GAUGE PRESSURE = ?

Answer 27

DEPTH (MSW) / 10 BAR DEPTH (FSW) / 33 ATM

Question 28

ABSOLUTE PRESSURE = ?

Answer 28

GAUGE PRESSURE + 1

Question 29

GAUGE PRESSURE = ?

Answer 29

ABSOLUTE PRESSURE - 1

Question 30

DEPTH = ?

Answer 30

MSW = GUAGE PRESSURE X 10 FSW = GAUGE PRESSURE X 33

Question 31

ABSOLUTE DEPTH = ?

Answer 31

MSW = ABSOLUTE PRESSURE ( BAR ) X 10 FSW = ABSOLUTE PRESSURE ( ATM ) X 33

Question 32

GAS CONSUMPTION = ?

Answer 32

ABSOLUTE PRESSURE ( BAR ) X 35 L/M ABSOLUTE PRESSURE ( ATM ) X 1.25 ft3/min.

Question 33

EAN = ?

Answer 33

ENRICHED AIR NITROGEN

Question 34

EAD = ?

Answer 34

EQUIVALENT AIR DEPTH EQUIVALENT AIR DECOMPRESSION

Question 35

EAD - MSW = ?

Answer 35

(Depth + 10) x nitrogen% - 10msw Divided by 79

Question 36

EAD - FSW = ?

Answer 36

(Depth + 33) x nitrogen% - 33 fsw Divided by 79