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march 2016 exam > Pyrotechnics > Flashcards

Pyrotechnics Flashcards

1
Q

Pyrotechnic pistols includes all EXCEPT which of the following features

A

Double-barreled

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2
Q

A MK 124 Mod 0 marine smoke and illumination signal emits what color smoke/flame for (1) day use and (2) night use

A

(1)orange smoke (2) red flame

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3
Q

The day or night end of a MK 124 Mod 0 signal is marked in which of the following ways

A

The case has two raised beads around its circumference on the flare(night) end and a label adhered to outer surface of the case identifies the smoke(day) and flare(night) end

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4
Q

A MK 79 Mod 0 illumination signal kit consists of a __________ signal projector and a total of ________ MK 80 Mod 0 signals

A

MK 31 Mod 0, seven

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5
Q

When fired , the star ejected from a MK 80 Mod 0 signal burns for what minimum amount of time

A

4.5 seconds

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6
Q

Before loading a signal into MK 31 Mod 0 signal projector , you should first take what action

A

Make sure the signal projector is cocked

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7
Q

The illuminating candle in the LUU-2B/B aircraft parachute flare is made from what material

A

Magnesium , sodium nitrate , and a polymer binder

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8
Q

Approximately how many pounds of force is required to pull the timer knob from the timer of an LUU 2B/B aircrafts parachute flare

A

30 pounds

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9
Q

When a MK 25 marine location market is handled , what component physically prevents the base plugs from being accidentally pushed in

A

The arming plate

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10
Q

When a MK 25 Mod 2 marker is in the water , what liquid serves as an electrolyte to produce a current in the battery

A

Seawater

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11
Q

What is the average burn time of a MK 25 Mod 2 marine location marker

A

13.5 to 18.5 minutes

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12
Q

A MK 25 will provide smoke and flame for approximately how long

A

10 to 20 minutes

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13
Q

IR decoys generate heat and infrared energy which is used to distract what type of missile

A

Infrared heat seeking

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14
Q

Passive expendable a are filled with chaff , which is dispensed by aircraft to mask or screen other aircraft or to cause tracking radar to do what

A

Break lock

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15
Q

What signal cartridge produces a flash of light and a white puff of smoke

A

MK 4 Mod 3

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16
Q

What color smoke is produced by a CXU-3 signal cartridge

A

White

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17
Q

To extinguish an aircraft parachute flare that is burning in the open , which of the following methods should be used

A

Flooding quantities of water at low pressure

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18
Q

Pyrotechnic hazards are gregge toy increased by what factor(s)

A

All answers are correct
A. Age of pyrotechnic
B. Improper storage conditions
C. Excessive temperatures

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19
Q

A hand-manipulated signaling device is used for all EXCEPT which of the signaling purposes

A

Countermeasure

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20
Q

pyrotechnics are used for which of the following purposes

A

flame , flash , smoke , sound or infrared radiation

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21
Q

dye markers are what type of devices

A

pyrotechnics and screening devices

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22
Q

dye markers are used for what primary purpose

A

to establish a reference point on the surface of the water

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23
Q

to get information on pyrotechnics, screening , marking and countermeasure devices , you should refer to which of the following publications

A

NAVSEA SW050-AB-MMA-010

NAVAIR 11-15-7

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24
Q

where can you find precise instructions for using a MK 124 Mod 0 signal

A

on a label on the outer surface of the signal

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25
Q

a MK 31 signal projector propels the signal what prescribed height

A

250 to 650 ft

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26
Q

what is the prescribed weight of an LUU-2B/B flare

A

30 pounds

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27
Q

the LUU-2B/B flare consists of what total number of components

A

4

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28
Q

to initiate ignition of the candle in the LUU-2B/B aircraft parachute flare . what minimum amount of force must be exerted by the parachute lanyard

A

91 pounds

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29
Q

what is the prescribed diameter of an LUU-2B/B parachute

A

18 feet

30
Q

to establish an initial contact point for a continued submarine search , which of the following means should be used

A

smoke and flame

31
Q

to make night time use easier , how is the armed position of the base plate on a MK 25 marine location marker identified

A

it is machined-notched at the armed position

32
Q

a MK 25 marine location marker can be launched by which of the following methods

A

manually or sonobuoy launcher

33
Q

when it is going to be sonobuoy launched , what component should be installed around the base of a MK 25 marine location marker

A

a MK 34 Mod 0 adapter kit

34
Q

to eject a MK 25 marine location marker from the SLC and the sonobuoy launch tube , what device is used

A

a JAU-22 cartridge

35
Q

a MK 25 uses what type of seawater battery

A

MK 72

36
Q

what electric squid is used in a MK 58 MLM

A

MK 13

37
Q

a MK 58 Mod 1 marine location marker will produce smoke and flame for what minimum to maximum number of minutes

A

40 to 60 minutes

38
Q

a MK 58 marine location marker can be launched by which of the following methods

A

hand
bomb rack
sonobuoy

39
Q

when carried externally on a bomb rack , the pull ring and reinforced adhesive foil strip are removed from a MK 58 marine location marker by what means

A

an arming wire

40
Q

as the first candle nears burnout in a MK 58 marine location marker , the second candle is ignited by what means

A

the heat from the first candle

41
Q

what force ejects a MJU-8 decoy flare from the dispenser

A

a CCU-136A/A impulse cartridge

42
Q

what are two different forms of composition material used for IR decoys

A

pyrotechnics and pyrophoric metal

43
Q

what are characteristic of pyrophoric metal when used in decoy flares

A

shaped like thin wafers that reacts with oxygen in the air once it is dispensed

44
Q

what is a description of chaff

A

aluminum-coated glass fibers

45
Q

pyrotechnic flares can burn up to what maximum temperature

A

4500 degrees

46
Q

under what (1) condition and (2) authority may pyrotechnics be dumbed at sea

A

(1) emergency (2) commanding officer

47
Q

what are items that produce their effect by burning , and are consumed in the process

A

pyrotechnics

48
Q

what devices are used to establish reference points on the surface of the water

A

dye markers

49
Q

the MK 124 signal emits an orange smoke or red flare for approximately how many seconds

A

20 seconds

50
Q

the MK 108 Mod 1 illumination signal kit produce a single green star display at a minimum altitude of 250 feet for a minimum time of how many seconds

A

4.5

51
Q

the LUU-2B/B flare is 36 inches long , 4.9 inches in diameter , and weighs about how many pounds

A

30 lbs

52
Q

the MK 25 Mods 2 and 3 marine location markers (MLM) are suitable for any type of sea surface reference point marking that calls for both smoke and flame for a period of how many minutes

A

10-20 minutes

53
Q

currently , there are two methods of launching the MK 25 marker— by hand or by what

A

sonobuoy launcher

54
Q

the MK 58 Mod 1 MLM produces a yellow flame and white smoke for a minimum of 40 minutes and maximum of 60 minutes which is visible for at least how many miles under normal operating conditions

A

3 miles

55
Q

the MJU-57 A/B Decoy Flare consists of two major elements: the rocket motor assembly and what other assembly

A

igniter

56
Q

what are the aluminum-coated glass fibers which are dispensed by aircraft to mask or screen other aircraft or to cause tracking radar to break lock

A

chaff

57
Q

the chaff in the RR-129 is cut into three lengths , resonant at what

A

2.85 , 5.062 , and 9.294 GHz

58
Q

the chaff in the RR-144/AL is cut into a single length , resonant at what

A

8.590 GHz

59
Q

the chaff in the RR-144A/Al is cut into three lengths , resonant at what

A

7.00 , 9.32 , and 15.06 GHz

60
Q

what is a good visibility day time use , fire free signal cartridge designed for use with practice bombs

A

CXU-3A/B

61
Q

what type of ammunition is on the most widely used types of ammunition in naval aviation

A

pyrotechnics

62
Q

many pyrotechnic mixtures , particularly illuminating flare compositions , burn with intense heat (up to what temperature)

A

4500 degrees F

63
Q

under no circumstances, other than an extreme emergency, should ammunition , explosives , or other related hazardous material be dumped at sea by a navy vessel , aircraft , or activity without prior approval of whom

A

Chief of Naval Operations (CNO)

64
Q

what publication describes pyrotechnic , screening , marking , and countermeasure devices currently available for fleet use

A

NA 11-15-7.1 / NAVSEA SW020 AB-MMA-010

65
Q

what are the three classes of pyrotechnic ammunition

A

marking , screening , illumination

66
Q

navy pyrotechnic devices contain what type of material

A

combustible chemicals

67
Q

pyrotechnic devices generally are initiated by means of an “ignition train” which typically consists of what

A

an igniter , a delay element , and a starting mix

68
Q

by what means is the night end of the MK-13 distress signal identified

A

raised projections

69
Q

the MK-14 smoke and illumination marker emits _____ smoke for day use and _____ flame for night use

A

orange / red

70
Q

what is the method of ignition for the MK -13

A

flip pull ring , break seal , hold away from face , ignite pull ring

71
Q

what is the burn time for each end of the MK 13

A

20 seconds

72
Q

what is the intended use of the MK 124 signal

A

day and night signaling

march 2016 exam (30 decks)

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