AO Unit 4 (2025) EXAM QUESTIONS AND ALL CORRECT ANSWERS 100% SOLVED AND
GUARANTEED SUCCESS!!
4.1 - How are CADs actuated (fired)? - ✔✔ Percussion, Electrically, Sympathetically
4.1 - What are the three ways that gun ammunition can be assembled? - ✔✔ Fixed,
Separated, and Separate loading
4.1 - What are the two major categories of ammunition? - ✔✔ Service & Non-Service
4.1 - What is an Ammunition Lot Number - ✔✔ Quantity of Ammunition assembled from
uniform components under similar conditions.
4.1 - What is the definition of installed life? - ✔✔ Established around the time computed
from the time the hermetically sealed.
4.1 - What is the definition of shelf life? - ✔✔ An established amount of time beginning
from date of manufacture.
4.2 - State the distance between the lugs on a MK 83 bomb body. - ✔✔ 14 inches apart.
4.2 - State the purpose of thermal protection. - ✔✔ To greatly increase the "cook-off
time."
4.2 - The BLU-109A/B has the penetration capability of going through how many feet of
reinforced concrete? - ✔✔ 4 to 6 feet
4.2 - What color are the explosive-loaded BLU-100 series thermally protected bombs? -
✔✔ Olive drab or grey in color.
4.2 - What type of explosive filler is used with the MK 80 series bombs and what type is
used with the BLU-100 series? - ✔✔ MK-80: H-6
, BLU-100 series: PBXN-109 (insensitive explosive filler)
4.2 - What type of penetrator is the BLU-116A/B designated as? - ✔✔ Advanced Unitary
Penetrator (AUP)
4.2 - What type of targets are General Purpose Bombs used against? - ✔✔ Enemy targets.
(Installations, Armament, and personnel, and tactically to provide direct support of our
land, sea, and air forces engaged in offensive or defensive operations.
4.3 - How does the DSU-33 proximity sensor receive its thermal battery initiation signal? -
✔✔ From the aircraft through the MK 122 arming safety switch.
4.3 - What advantages do electrical fuses have as opposed to mechanical fuses? - ✔✔
Depending on the delivery mode (retarded/non-retarded) automatically selects the
arming time.
Functioning times are in-flight selectable by the pilot.
Gives the bomb on aircraft capability when used with a proximity sensing device.
4.3 - What is the definition of arming time? - ✔✔ The amount of time or revolutions
needed for the firing train to be aligned after the bomb is released, or from time of
release until the bomb is fully armed.
Also known as Safe Separation Time (SST)
4.3 - What is used with the ogive nose plug to provide a solid structure to the bomb? -
✔✔ A support cup.
4.3 - What should you do if the lanyard is removed from the MK 122 arming safety switch?
- ✔✔ Do NOT attempt to reinstall the lanyard; replace the entire switching unit.
GUARANTEED SUCCESS!!
4.1 - How are CADs actuated (fired)? - ✔✔ Percussion, Electrically, Sympathetically
4.1 - What are the three ways that gun ammunition can be assembled? - ✔✔ Fixed,
Separated, and Separate loading
4.1 - What are the two major categories of ammunition? - ✔✔ Service & Non-Service
4.1 - What is an Ammunition Lot Number - ✔✔ Quantity of Ammunition assembled from
uniform components under similar conditions.
4.1 - What is the definition of installed life? - ✔✔ Established around the time computed
from the time the hermetically sealed.
4.1 - What is the definition of shelf life? - ✔✔ An established amount of time beginning
from date of manufacture.
4.2 - State the distance between the lugs on a MK 83 bomb body. - ✔✔ 14 inches apart.
4.2 - State the purpose of thermal protection. - ✔✔ To greatly increase the "cook-off
time."
4.2 - The BLU-109A/B has the penetration capability of going through how many feet of
reinforced concrete? - ✔✔ 4 to 6 feet
4.2 - What color are the explosive-loaded BLU-100 series thermally protected bombs? -
✔✔ Olive drab or grey in color.
4.2 - What type of explosive filler is used with the MK 80 series bombs and what type is
used with the BLU-100 series? - ✔✔ MK-80: H-6
, BLU-100 series: PBXN-109 (insensitive explosive filler)
4.2 - What type of penetrator is the BLU-116A/B designated as? - ✔✔ Advanced Unitary
Penetrator (AUP)
4.2 - What type of targets are General Purpose Bombs used against? - ✔✔ Enemy targets.
(Installations, Armament, and personnel, and tactically to provide direct support of our
land, sea, and air forces engaged in offensive or defensive operations.
4.3 - How does the DSU-33 proximity sensor receive its thermal battery initiation signal? -
✔✔ From the aircraft through the MK 122 arming safety switch.
4.3 - What advantages do electrical fuses have as opposed to mechanical fuses? - ✔✔
Depending on the delivery mode (retarded/non-retarded) automatically selects the
arming time.
Functioning times are in-flight selectable by the pilot.
Gives the bomb on aircraft capability when used with a proximity sensing device.
4.3 - What is the definition of arming time? - ✔✔ The amount of time or revolutions
needed for the firing train to be aligned after the bomb is released, or from time of
release until the bomb is fully armed.
Also known as Safe Separation Time (SST)
4.3 - What is used with the ogive nose plug to provide a solid structure to the bomb? -
✔✔ A support cup.
4.3 - What should you do if the lanyard is removed from the MK 122 arming safety switch?
- ✔✔ Do NOT attempt to reinstall the lanyard; replace the entire switching unit.