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27 Cards in this Set
- Front
- Back
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the amount of time or vane revolutions needed for the firing train to be aligned after a bomb is released is known as?
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arming time
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the action that causes a fuze to detonate before impact when any substantial object is detected at a predetermined distance from the fuze is known by what term?
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proximity
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the time required for a fuze to detonate after impact or a preset time is known by what term?
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functioning time
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what term applies when the functioning time is longer than 0.0005 second?
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delay
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in its simplest form what device is like the hammer and primer used to fire a rifle or pistol?
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mechanical fuze
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what term applies when the functioning time of a fuze is 0.0003 second or less?
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instantaneous
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the functioning delay of an electric fuze is initiated by what means?
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electromechanically
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what term applies when the functioning time of a fuze is 0.0003 to 0.0005 second?
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nondelay
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a fuze that does NOT have the elements of its firing train in the proper position for firing until the fuze is fully armed is known as what type of fuze?
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a detonator-safe fuze
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the distance along the trajectory that a bomb travels from the releasing aircraft in an unarmed condition is known by what abbreviation?
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SAT
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in reference to their primary operating principles, fuzes are normally divided into what two general classes?
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mechanical and electrical
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a bomb that is accidentally released during an aircrafts landing or takeoff will NOT normally have sufficent air travel, velocity, or time to fully arm the fuze because of what fuze feature?
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delay arming
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the two observation windows of an M904 series fuze are used for what purpose?
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to determine the safe/arm condition
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you can determine if a fuze is safe or armed by what means?
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by external evidence of arming
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the release speeds for arming an M904 fuze fall into what speed range?
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170 to 525 knots
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for information on the fuzes currently used by the navy, you should refer to what navair publications?
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11-1F-2 and 11-5A-17
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at impact, what component drives the striker body and firing pin down into the M9 delay element of M904 fuze?
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the forward part of the fuze body
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the M904 series fuze is designed to be used in what configuration?
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the nose of MK80 series LDGP bombs only
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an M904 fuze can be configured for WHAT ARMING DELAY TIMES IN WHAT INCREMENTS?
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2 to 18 secs
in 2 sec increments |
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other than nondelay, what functioning times (in seconds) are provided by the M( delay element?
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0.01,0.025,0.05,0.1 and 0.25
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what mechanical fuze should be used with the thermally protected MK 80 series gp bomb?
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M904E4
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to set the 2 and 4 second arming delay times in the m904 mechanical time fuze, you should take which of the following actions?
1.remove the stop screw 2. depress the index locking pin 3.rotate the knurled arming delay nob until the white line is aligned with the desired arming time 4. each of the above |
4. each of the above
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you should never try to reinstall the stop screw on a M904 mechanical time fuze in which of the delay settings?
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2 and 4 second
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which of the following conditions pertains to the M904 mechanical time fuse?
1. safe and fully armed only 2. partially armed and fully armed only 3. safe, partially armed, and fully armed 4. safe, armed, and unarmed |
3. safe, partially armed, and fully armed
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when the M904E4 mechanical time fuse is partially armed, what indication should you see in the upper observation window?
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a green back ground with no numbers visible
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at what point is the firing train in an M904 mechanical time fuze fully aligned?
1. when the fuze impacts the target 2. when the functioning delay time elapses 3.when the preselected arming delay period elapses 4.when the arming vane revolutions are completed |
3.when the preselected arming delay period elapses
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the MK 339 Mod 1 mechanical time fuze is used in which of the following types of ordnance?
1. fire bombs 2. dispenser weapons 3. general purpose bombs 4. underwater weapons |
2. dispenser weapons
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