Navedtra 14313A, AO, chapter 2,9

Question 0

A misfire that later fires from delayed ignition

Answer 0

Hang fire

Question 1

Initiating device that ignites the propellant grain.

Answer 1

Igniter

Question 2

The result when a rocket does not fire when the firing circuit is energized

Answer 2

Misfire

Question 3

The propulsive component of a rocket . It consists of the propellant , the igniter and the nozzle

Answer 3

Motor

Question 4

The solid fuel used in a rocket motor , which upon burning , generates a volume of hot gases , that stream from the nozzle and propel the rocket

Answer 4

Propellant grain

Question 5

A weapon propelled by the sustained reaction of a discharging jet of gas against the container of gas

Answer 5

Rocket

Question 6

The term applied when internal parts react to the acceleration of the rocket

Answer 6

Setback

Question 7

The force exerted by the gases produced by the burning of the rocket motor propellant

Answer 7

Thrust

Question 8

The Venturi-type nozzle does what

Answer 8

Decrease the turbulence of escaping gases and increases the thrust

Question 9

Gas pressure provides about ____ percent of the force , and the escaping gases provide about ____ percent of the force necessary to move the container forward

Answer 9

Gas pressure (70%) and escaping gas (30%)

Question 10

What are the three major components of a rocket

Answer 10

The motor , warhead , fuze

Question 11

What rocket motor is used with the 2.75” and 5.0” rockets

Answer 11

2.75” -MK 66 and 5.0” -MK 71

Question 12

What is an internal burning , star perforation , double base solid propellant

Answer 12

The propellant grain

Question 13

What restricts or controls burning of the propellant surface

Answer 13

Inhibitor

Question 14

What component is salt coated to prevent unstable burning of the propellant

Answer 14

Stabilizing rod

Question 15

What hears the propellant grain to ignition temperature

Answer 15

Igniter (contains black powder and magnesium)

Question 16

What is ALWAYS required to cover the ignition contact band until the rocket is actually loaded into the launcher

Answer 16

Metal shielding band

Question 17

What prevents fins from closing on rockets

Answer 17

The cross head

Question 18

What causes the rocket to spin during free flight

Answer 18

Flutes

Question 19

What permits rockets from being launched from high speed aircraft

Answer 19

Flutes that cause the rocket to spin

Question 20

When not installed in the launcher , what holds the fins in place

Answer 20

Fin retainer band (not interchangeable with shielding band)

Question 21

For specific component information on rockets , you should refer to what publication

Answer 21

Aircraft Rocket System 2.75” and 5.0” , NAVAIR 11-75A-92

Question 22

High explosive warheads contain what high explosive material

Answer 22

Comp-B

Question 23

Base fuzes are installed at the factory and should be removed when

Answer 23

NEVER

Question 24

What type of warhead is used against personnel and light material targets such as trucks and parked aircraft

Answer 24

High explosive fragmentation (HE-FRAG) warheads

Question 25

What warhead combines the effectiveness of the HE-FRAG and high explosive antitank (HEAT) warhead

Answer 25

Antitank/antitank warhead

Question 26

What warhead is a compromise between the armor piercing and the fragmentation designs

Answer 26

General purpose(GP) warhead (max penetration is obtained by using solid nose plug)

Question 27

What is the only GP warhead currently in use

Answer 27

The MK 24 Mods 0 and 1

Question 28

What warhead contains a large number of small arrow shaped projectiles

Answer 28

Flechette warhead , WDU-4A/A

Question 29

Rocket fuzes are classified

Answer 29

There location in the warhead . (They are further classified by mode of operation , such as impact-firing; mechanical-time; acceleration and deceleration; or proximity

Question 30

What is the only Mechanical time rocket fuze in use

Answer 30

MK 193 Mod 0

Question 31

What is the only acceleration -deceleration fuze currently in use by the navy p

Answer 31

The Model 113A

Question 32

Some rocket fuzes designed for use with the 2.75" warheads can be used with the 5.0" warhead what adapter

Answer 32

BDU-15/B adapter booster

Question 33

The Wrap-Around Folding Fin Aircraft Rocket(WAFFAR) is fired in large numbers to produce a shotgun pattern and are carried and launched from what launch packages

Answer 33

7 or 19 round tube launcher packages

Question 34

How many shots does the 2.75@ LAU 68 fire

Answer 34

7 shot

Question 35

How many shots does the 2.75" LAU 61 fire

Answer 35

19 shots

Question 36

How many shots does the 5.0" LAU 10 fire

Answer 36

4 shot

Question 37

What is the suspension of the 2.74" and 5.0" rocket launchers

Answer 37

2.75"=14" suspension only / 5.0"=14-30" suspension

Question 38

What is a multipurpose arrangement that consists of a shockpan assembly , a shockpan cover assembly and or locking ring assembly

Answer 38

Shipping ends

Question 39

What are the rocket launchers made of and are they reusable

Answer 39

Made of aluminum and they are resusable

Question 40

What save arm device prevents loaded rockets from firing

Answer 40

The breaker switch

Question 41

If the mode selector switch is in the RIPPLE fire position , the intervalometer converts the firing pulse into a ripple purse and successively fire all rockets at what intervals

Answer 41

95-milliseconds interval

Question 42

The intervalometer should NOT be manually rotated through the numbered positions except when

Answer 42

When checking empty pod

Question 43

What is the weight of the LAU-19 rocket launcher

Answer 43

500-550 lbs

Question 44

What adapter is used to test rockets

Answer 44

W2 adapter

Question 45

The rockets are retained in the 5'0" launcher tubes during shipping , handling and flight by engagement of what

Answer 45

Spring loaded detent pawl in the rocket detent groove

Question 46

What rocket launcher tester is currently in use

Answer 46

MK III rocket launcher tester

Question 47

Rockets produce what type of hazard

Answer 47

Fire hazard

Question 48

Rocket motors should be stowed in the same manner as what

Answer 48

Smokeless powder

Question 49

If rocket motor is dropped at any distance what must be done

Answer 49

It should not be used , notify EOD if needed

Question 50

What can happen if the rocket motor is dropped

Answer 50

Cracks or breaks in the grain increase the carefully calculated burning are and will cause excessive internal pressure buildup , which can cause the motor to blow up after ignition

Question 51

Smoking is not permitted in the loading area within how many feet of rockets

Answer 51

200 feet

Question 52

Fuzes and warheads dropped more than how many feet must not be used

Answer 52

If dropped more than 5 feet don't use

Question 53

To prevent possible explosion , airborne rockets or loaded launchers should NOT be exposed to the exhaust from jet engine started pods or gas turbine compressors within how many feet

Answer 53

10 feet