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Manuals > PG 85-00-3070-A Aviators Breathing Oxygen > Flashcards

PG 85-00-3070-A Aviators Breathing Oxygen Flashcards

1
Q

The pressure required to liquefy oxygen at its critical temperature is known as

A

Critical pressure 736.5 psig

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2
Q

What is the primary source of contamination of LOX

A

Atmospheric air

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3
Q

How often is a LOX odor test performed on each active RFI TMU-27 carts

A

7 days

3-1

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4
Q

How often are LOX quality tests performed from bulk storage containers

A

45 days

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5
Q

LOX quality samples will be submitted for analysis to closest ABO Correlation Program laboratory using what form

A

AFTO form 176

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6
Q

How are base sample numbers for LOX quality tests recorded

A

recorded numerically as four-digit year and two-digit reference corresponding to the chronological sample number for the given year

If sample drawn is third sample taken in 2017, BSN will be 201703

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7
Q

LOX quality samples shall be shipped within ____ days of sample retrieval

A

3

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8
Q

How shall LOX quality samples be shipped

A

Overnight priority 2

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9
Q

Who must be contacted if a unit indentifies a reason to ship a LOX quality sample other than overnight priority 2

A

ALC, ALSE, Technical ServicesABO Program Manager (PM).

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10
Q

All LOX quality samples shall be shipped as what

A

HAZMAT under code UN 272 with coordination from HAZMAT certifier

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11
Q

LOX quality sample records and reports are kept for a period of

A

36 months

3-1

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12
Q

Who is responsible for all servicing operations, airframe system maintenance, and syllabus training.

A

AST shop supervisor

3-2

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13
Q

Who designates a qualified LOX technician

A

CO

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14
Q

How deep is the LOX overflow drip pan

A

8 inches stainless steel or aluminum material

3-3

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15
Q

Who recommends personnel to be a LOX technician

A

AST shop chief

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16
Q

How often must you perform LOX evolutions to maintain proficiency

A

3 months

3-3

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17
Q

How big is the designated LOX disposal area

A

12 in deep sand, minimum volume 200 cubic ft

3-4

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18
Q

How big are the coast guard approved bulk storage tanks

A

500 or 700 gallon

3-4

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19
Q

LOX bulk storage tanks shall not fall under what percent of max amount of tank

A

15 % and an order shall be placed at 20%

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20
Q

There shall be no smoking, open flame, spark-producing items (to includeelectric internal combustion vehicles), radios, or PEDs within what distance of LOX process

A

50 ft

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21
Q

How long shall the Aviation Department Quality Assurance Office shall retain the delivery documentation for

A

1 year

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22
Q

What are the requirements for becoming a LOX instructor

A

Active duty graduate of AST A school, qualified technician for 6 months, recommended by AST shop chief, annual stan check and must instruct once every 12 months.

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23
Q

What are the ranges for high pressure and low pressure gaseous oxygen systems

A

High-500-1800 psi 1800 is full
Low- 0-500 psi 300 is full

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24
Q

What are some properties of LOX

A

1.14 lbs heavier than water
1 gallon weighs 9.527
Expands 860 times it size when converted to gas

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25
Q

Under what psi should a cylinder be removed from service and heat vacuum treated

A

15 psi

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26
Q

What are 3 references for LOX for safety precautions

A

M13520.1C
AFTO 15X-1-1
AFTO 00-25-172

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27
Q

If LOX spills on petroleum based product stop operations requirements are what

A

20 ft radius for 30 minutes not walking or rolling over area

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28
Q

The pressures in oxygen supply cylinders which service/replenish aircraft oxygen cylinders should not fall below what PSIG

A

50 psi(considered empty)

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29
Q

Ensure a serviceable 125- to 150-lb wheeled PKP fire extinguisher or equivalent is placed within how many feet of the LOX servicing operation.

A

50 ft

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30
Q

Persons not directly involved in oxygen sampling operations shall be kept outside a _____ radius of the LOX sampling.

A

20 ft radius

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31
Q

How do you keep valves from freezing in the open position

A

Initially open fully then close 1/4 turn

5-4

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32
Q

Servicing control valve shall not be opened more than ____ turn so it can be shut off quickly inan emergency.

A

3/4 turn

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33
Q

Should a control valve become clogged with ice, thaw with what

A

Water

5-5

34
Q

ALLOW THE LOX SYSTEM TO STABILIZE (VENT) FOR ATLEAST ____ MINUTES AFTER SERVICING PRIOR TO USE,BUILDUP, OR READING ANY GAUGES.

A

30

5-5

35
Q

It should be noted that the Coast Guard LOX PPE standard is different from the U.S. Air Force and U.S. Navy listed standard. What is the CG standard

A

When transferring LOX, personnel shall wear:

a. Locally purchased white adjustable hardhat with integrated ear protection and faceshield.
b. Heavy-duty blue cryogenic protective mid-arm or gauntlet-style gloves with internal waterproof film.
c. Heavy-duty blue cryogenic protective apron with internal waterproof film and adjustable neck and waist buckles.
d. White cotton coveralls (mandatory) (NSN 8405-00-037-9274).
e. Cuff-less trousers and long-sleeve shirt.
f. Black turnout boots (firefighter) certified to NFPA 1971 and NFPA 1992 standards

5-5, 5-6

36
Q

When parking or storing carts with containers of LOX or gaseous oxygen, carts shall be parked or stored how far from structures having fire-resistant or noncombustible exterior walls or with automatic fire extinguishing systems.

A

25 ft

5-6

37
Q

When parking or storing carts with containers of LOX or gaseous oxygen, carts shall be parked or stored how far from combustible structures or sources of ignition, including heavy traffic areas where equipment is in operation, or smoking areas.

A

50 ft

5-6

38
Q

When parking or storing carts with containers of LOX or gaseous oxygen, carts shall be parked or stored how far from airplane parking, fueling, or defueling areas.

A

75 ft

5-6

39
Q

Perform a leak check on the female filler valve (aircraft lox servicing connections) in accordance with

A

TO 37C2-4-6-13 or TO 37C2-4-6-21

5-7

40
Q

Excessive leaking during LOX servicing will be determined at the discretion of the

A

AST shop supervisor

5-7

41
Q

A tail wind (in relation to the aircraft) over _____ knots should not be accepted during LOX servicing

A

5-10

5-7

42
Q

When should you not service LOX during rain

A

When servicing during a rainstorm, servicing should cease if water begins sheeting on the skin of the aircraft.

5-8

43
Q

An aircraft can be serviced in what type of precipitation

A

Snow, light drizzle, or light sleet

5-8

44
Q

What does ambient air temperature do to servicing time and GSE

A

Colder temp-faster servicing time, increased gse malfunction
Warmer temp-slower servicing time, reduced gse malfunctions

5-7

45
Q

LOX servicing shall not be performed if known convective activity is within ____ miles of servicing point. This includes the movement of vessels containing LOX

A

5

5-8

46
Q

Cylinder Removal, Replacement Instructions for removal of empty cylinders and installation of full cylinders are provided in Oxygen Servicing Trailer Manual,

A

AFTO 35D3-6-48-1

6-1

47
Q

The Liquid Oxygen Servicing Cart is a complete, self-contained, mobile unit. Approximate weight when full is _____ pounds. It is designed to store ____ gallons of LOX

A

1200 lbs
50 g

6-2

48
Q

An HC-130J and a full TMU-27/M cart can operate for how long without formal LOX facilities

A

3 weeks

6-3

49
Q

What type of tow adaptor should the GSE LOX tow vehicle be equipped with

A

Pointless type 1000 lb tow capacity

6-3

50
Q

How long is the static reel cable on the 500 pound lox storage trailer

A

100 ft

6-5

51
Q

Procedures for Coast Guard air transport of LOX ground support equipment can be found in the HC-130J Special Equipment Loading Guide,

A

CGTO 1C-130J-1-B

7-1

52
Q

The C-130J availability of oxygen is based on the 25-liter LOX converter furnishing ____ cubic feet of oxygen for crew use.

A

670

7-1

53
Q

The C-27J is a two independent system (crew member/passenger) with a ____ liter LOX converter corresponding to a capacity of ____ liters

A

10 liter
8600 liters

7-2

54
Q

The C-27J has how many oxygen converters for crewmember and passenger

A

Crew member-1
Passenger-2

10 liters corresponding to 8600 liter capacity

7-2

55
Q

What is an example of a LOX deployment grounding kit

A

36-inch stainless steel rod, sledgehammer, and 300 feet of insulated grounding cable with dual aluminum hand clamps on each end.

7-7

56
Q

If no adequate grounding points are available, the metal rod should be driven into the ground a minimum of ____ inches to facilitate a grounding point.

A

18 in

7-7

57
Q

If there is no suitable storage facility for the TMU/27 cart during deployment when is it acceptable to store it in the aircraft

A

Only when the approved overboard discharge hose system is installed and the vent valve is open during the dual action of storage.

7-8

58
Q

Who approves the DCAT Defense Compressed Air testing program

A

It is a government program maintained by the department of Naval Surface Warfare Center Panama City Division (NSWCPCD), FL

8-1

59
Q

Who funds the DCAT program

A

ALC

Annual funding is allotted via Military Interagency Procurement Request (MIPR) to NSWC PCD.

8-1

60
Q

What are the PPM for carbon monoxide for the SEAS -1

A

10 ppm

8-1

61
Q

What is the PPM for carbon dioxide in the SEAS-1

A

500 ppm

8-1

62
Q

What is the ppm for water vapor in the SEAS-1

A

67

8-1

63
Q

What is the PPM methane for the SEAS-1

A

25 PM

8-1

64
Q

The air quality for SEAS-1 shall meet modified

A

GCA Grade E (ANSI/CGA G-7.1)

8-1

65
Q

What is the access code for the DCAT program website

A

mission (all lowercase)

8-2

66
Q

Air stations with SEAS-1 breathing air compressors lubricated with oil shall be tested how often

A

Quarterly

8-2

67
Q

Compressors lubricated with non-oil lubricants (water, etc.) shall be tested how often

A

Semi annually

8-2

68
Q

A reminder e-mail is sent to each unit DCAT representative _____ days prior to the sample end limit.

A

15 days

8-2

69
Q

How long should each operating unit maintain a DCAT Sample/Maintenance Record Logbook….for trending analysis.

(Compressor type, serial number, tests results, failures, etc)

A

12 months

8-2

70
Q

Air sampling kits are normally sent ___ day delivery (ground), and any retests due to failed samples are shipped ___ day delivery. Kits must be returned (in their entirety)within ___ days of receipt.

A

3 days
2 days
5 days

8-2

71
Q

LOX shall contain no particles with any dimension larger than ____ microns

A

1000

Enclosure 1

72
Q

LOX shall contain no fiber longer than ____ microns

A

6000

Enclosure 1

73
Q

Total solids in LOX shall not exceed ___ mg per liter.

A

1.0

ENCLOSURE 1

74
Q

How often shall LOX storage tanks be sampled

A

45 days

Enclosure 3

75
Q

What tag is used for the LOX quality sample submission

A

AFTO FORM 176

ENCLOSURE 5

76
Q

What shall All non-AST LOX qualified technicians complete prior to deploying on their first deployment each year?

A
  1. LOX refresher training to include an overview of equipment, PPE, servicing procedures,and maintenance troubleshooting.
    • A minimum of two servicing evolutions with a qualified AST.

Enclosure 6

77
Q

At home station when the HC-130J reaches how many liters must it be serviced

A

10 liters

Enclosure 6 p. 2

78
Q

At home station when the HC-27J reaches how many liters must it be serviced

A

4 liters

Enclosure 6 p. 2

79
Q

When the LOX servicing cart falls below ____ gallons, it shall be serviced to full capacity

A

25

Enclosure 6 p. 3

80
Q

How big is the concrete slab used for lox deliveries

A

12 ft x 12 ft

3-4

Manuals (30 decks)

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