問題一覧
1
What is the purpose of a PEC?
Designed to couple and uncouple the aircrew services in a single action.
2
What’re the three main parts of a PEC?
Aircraft portion Seat portion Man portion
3
What closes when the man portion is separated from the seat portion. (To protect against water)?
The spring loaded valve in the oxygen connector.
4
What is this?
Mk12A Tornado
5
Describe the Mk12 A Tornado PEC
The oxygen hose connector is at the front of the man portion followed by the mic/tel cable and a anti G threaded bush. The man portion release handle has no trigger, operating trigger or pin.
6
What sizes do the Oxygen mask hose lengths come?
22 inches - Blue 24 inches - yellow 26 inches - red
7
What qualification is needed to fit and size aircrew assemblies?
Q-SE-AV-MED
8
What is this?
Mk 14 Hawk
9
Describe the Mk14 Hawk PEC?
The front of the man portion is fitted with the anti-g threaded bush connector, then the mic/tel assembly and finally the oxygen connector hose. The oxygen hose is fitted with a anti drowning valve. It also has a trigger on the handle
10
What mix cable does a Mk 14 Hawk have?
4 conductors on it and terminates in a type 62 socket
11
What Mic cable does a Mk12A Tornado use?
8 conductors and terminates in a 12 contact LEMO connector
12
What does ASP stand for?
Aircrew services package
13
Describe the Typhoon breathing gas hose assemblies (ASP).
installed on the left hand side of the ejection seat and controls the functions as follow supply the breathing gas to the crew member supply auxiliary breathing gas anti G supply
14
At what pressure does the PEC supply a safe breathing gas?
0.375kpa 0.75kpa when the auxiliary is used
15
Relief valve in the regulator ensure the oxygen hose pressure does not become more than?
9.95kpa or more then 4kpa when the FCSGT are not inflated
16
What pressure does the relief valve in the FCAGT ensure it doesn’t reach?
no more then 70kpa
17
What is this?
ASP Typhoon man portion
18
Where do you find information on Oxygen hose assemblies?
DAP 108F -0904-1
19
Where do you find information and guidance on Aircrew device package?
DAP101B-5400-1A
20
What’re the purposes of oxygen masks?
2 critical functions supply oxygen to the wearer contain a microphone for communication purposes
21
What is the pressure at sea level ?
760mmhg
22
What is the pressure at an altitude of 18,000ft?
360mmhg
23
What can hypoxia lead to?
incapacitation and death
24
What’re the causes of hypoxia?
ascent to altitude without supplementary oxygen failure of personal breathing equipment decompression of pressure cabins at high altitudes the presence of toxic fumes in the cabin
25
At what, altitude do you feel the affects of hypoxia?
8,000ft
26
What is MSOC? And what does it do?
Molecular Sieve Oxygen Concentrators An onboard oxygen generator
27
At what altitude does 100% oxygen pass to the mask
30,000ft
28
At what altitude does pressure breathing occur?
Above a cabin pressure of 40,000ft - 50,000ft delivering 30 mm hg positive pressure to the user.
29
How’re masks identified?
By letter and number which indicates the different sizes and aircraft type.
30
What is this?
Typhoon ADOM mask
31
What does ADOM stand for?
advanced dynamic oxygen mask
32
What’re the two types of oxygen mask?
Life support Emergency
33
Describe the ADOM
It has a dynamic face seal that automatically adjusts to the pilots face at forces more than 9Gz and is proven to assist in overcoming the effect of GLOC. Allows for single handed donning and doffing in flight.
34
What is this?
V12 Oxygen mask
35
Describe the V12 oxygen mask
This is designed to be worn in conjunction with a helmet for use of a miniature man mounted regulator. No inspiritory valve fitted
36
What is a P20/Q20 mask used for?
merely used for communication purposes, so no mask tube is supplied.
37
What is this?
Typical P &Q series oxygen mask
38
What is the purpose of a reflected edge?
Rising pressure in the mask, bearing on the inturned edge, increase the efficiency of the valve/mask seal
39
Explain how the anti suffocation valve works?
The anti suffocation valve is an inwards relief valve which lifts when the pressure within the mask falls to not less than 12.4 or more than 17.4 mbar (5-7 in wg) below ambient pressure.
40
Where do you find mask testing?
AP 108T-0109-1
41
What color will the flow regulator show when breathing in and out on the MK21B demand breathing regulator?
white on inhalation Black on expiration
42
What must leakage not exceed on the the MK21B?
5Ltrs/min
43
What is this?
PH3/QH3 oxygen mask
44
What is the PH3/QH3 oxygen mask used for?
merely for communication purposes and no oxygen supply will be provided
45
What is this?
Emergency Escape Breathjng Device (EEBD)
46
What is the EEBD designed to do?
designed to provide respiratory and eye protection for the user in oxygen deficient, smoke laden, or toxic atmosphere.
47
Name the components of the EEBD
4 major components solid state oxygen supply chemical scrubber for carbon dioxide and water vapor a loose fitting hood with a head harness and neck seal to enclose the head and provide a respirable environment. venture pumping powered by a oxygen generator, which recirculates the breathing gas within the system loop consisting of the scrubber and the hood.
48
What is the rated duration of the escape device EEBD?
15 minutes
49
What is this?
oxygen mask walk around
50
Describe the oxygen mask walk around
one size fits all. rubberized harness adjust to the wearer. oxygen supplied through portable O2 cylinders and only supplies oxygen, no comms. 31 fitted to each sentry
51
What is this?
oxygen mask firefighters
52
What is this?
oxygen mask quick don
53
Describe the oxygen mask firefighters
on size fits all rubberized harness that can adjust to the user. oxygen Is supplied through portable O2 cylinders and supplies both oxygen and comms. 6 fitted to every sentry
54
What is the service DAP for the Oxygen mask quick don?
DAP108F-0923-13, incorporating and covering technical order 15x5-4-8-1 (an American AP)
55
Describe the oxygen mask quick don
collapsible suspension harness is one size, but when donned needs to be fully open as there is a micro switch in it and turns the microphone on. oxygen supplied through the A/C system oxygen and voice comms only
56
What is a life support mask?
worn during all flights by aircrew
57
When is a emergency oxygen mask worn?
worn when cabin depressurises very light weight in construction one use only
58
Information and guidance on emergency oxygen masks can be found where?
DAP108A-0006-2(NAR)1
59
When maintaining an O2 mask what cleaning solution should not come into contact with mask/valves?
chlorhexidine gluconate
60
After BM p/q17 mask how should we clean brushes and bowls?
in a 1 to 30 solution of chlorhexidine gluconate
61
What’re the various marks if PEC/ASP these include the Mk12A, which aircraft was the Mk12 used on?
Tornado
62
The expiritory valve is compensated, non return valve in which the mask tube pressure is applied to the underside of a diaphragm through a compensated tube. What is the other side of the valve subject to?
ambient pressure
63
The walk around oxygen mask is a similar construction to what other mask?
general service respirator
64
Microphones are known as what items ?
service fit
65
How do aircrew using a quick don hear any communications?
aircrew supplied helmets
66
What type of aircraft are P17/Q17 used in?
high speed
67
Information and guidance on ASP can be found in what publication?
Trilogy view