AO CORE UNIT 5 EXAM QUESTIONS AND ANSWERS
How many barrels does the M61A1 have? - CORRECT ANSWER✅✅6 barrels
Where is M61A1 located? - CORRECT ANSWER✅✅Located on the F/A 18 nose
What is the M61A2? - CORRECT ANSWER✅✅Same as the M61A1 except it weighs less.
What is the GAU-12/U? - CORRECT ANSWER✅✅Improved 5 barrel version of the M61A1
How much does the M61A1 weigh? - CORRECT ANSWER✅✅252 lbs
How much does the M61A2 weigh? - CORRECT ANSWER✅✅106 lbs
The __________ is Hydraulically driven &
Electrically controlled. - CORRECT ANSWER✅✅M61A1
What is the Encoder-decoder? - CORRECT ANSWER✅✅Computer of M61A1, controls gun operation.
What does the Rounds limiter switch do? - CORRECT ANSWER✅✅It limits # of rounds fired per burst
What does the GAU-12/U operate on? - CORRECT ANSWER✅✅28 VDC & 125 PSI AIR
AV-8B Harrier - CORRECT ANSWER✅✅
How many barrels does the M197 20mm have? - CORRECT ANSWER✅✅3 barrels
Describe the M197 20mm - CORRECT ANSWER✅✅It has a fire rate of 300-1500 RPM
, Controlled by GCA (Gun Control Assembly)
AH-1 Cobra
M89E1 Series Feeder - CORRECT ANSWER✅✅Gear driven, held by 2 quick release pins, has 3 sprockets
To accelerate your time feed the stripper - CORRECT ANSWER✅✅Accelerator, Stripper, feeder
Acceleratir - CORRECT ANSWER✅✅Is timed with the gun rotor
Stripper - CORRECT ANSWER✅✅Strips rounds away from the ammo belt
Feeder - CORRECT ANSWER✅✅Feeds rounds into gun
Describe the M240 - CORRECT ANSWER✅✅Left hand feed, gas operated, air-cooled, fixed head space
weapon.
The M240 has ________ basic configurations. - CORRECT ANSWER✅✅2
What are the 2 basic configuration for the M240 - CORRECT ANSWER✅✅Aircraft: 2 hands
Egress: pistol grip & battle stock (1 hand)
*used by ground forces.
*11-12 rounds per second
GAU-16/A & XM-218 .50 caliber machine guns - CORRECT ANSWER✅✅-Crew served, recoil operated
-750-800 RPM
-Used on V-22 aircraft, H-53, UH-1 (GAU-16/A only) and H-60 series helicopter.
What are the differences between the GAU-16/A and the XM-218 - CORRECT ANSWER✅✅GAU-16/A:
front and backplate assembly
How many barrels does the M61A1 have? - CORRECT ANSWER✅✅6 barrels
Where is M61A1 located? - CORRECT ANSWER✅✅Located on the F/A 18 nose
What is the M61A2? - CORRECT ANSWER✅✅Same as the M61A1 except it weighs less.
What is the GAU-12/U? - CORRECT ANSWER✅✅Improved 5 barrel version of the M61A1
How much does the M61A1 weigh? - CORRECT ANSWER✅✅252 lbs
How much does the M61A2 weigh? - CORRECT ANSWER✅✅106 lbs
The __________ is Hydraulically driven &
Electrically controlled. - CORRECT ANSWER✅✅M61A1
What is the Encoder-decoder? - CORRECT ANSWER✅✅Computer of M61A1, controls gun operation.
What does the Rounds limiter switch do? - CORRECT ANSWER✅✅It limits # of rounds fired per burst
What does the GAU-12/U operate on? - CORRECT ANSWER✅✅28 VDC & 125 PSI AIR
AV-8B Harrier - CORRECT ANSWER✅✅
How many barrels does the M197 20mm have? - CORRECT ANSWER✅✅3 barrels
Describe the M197 20mm - CORRECT ANSWER✅✅It has a fire rate of 300-1500 RPM
, Controlled by GCA (Gun Control Assembly)
AH-1 Cobra
M89E1 Series Feeder - CORRECT ANSWER✅✅Gear driven, held by 2 quick release pins, has 3 sprockets
To accelerate your time feed the stripper - CORRECT ANSWER✅✅Accelerator, Stripper, feeder
Acceleratir - CORRECT ANSWER✅✅Is timed with the gun rotor
Stripper - CORRECT ANSWER✅✅Strips rounds away from the ammo belt
Feeder - CORRECT ANSWER✅✅Feeds rounds into gun
Describe the M240 - CORRECT ANSWER✅✅Left hand feed, gas operated, air-cooled, fixed head space
weapon.
The M240 has ________ basic configurations. - CORRECT ANSWER✅✅2
What are the 2 basic configuration for the M240 - CORRECT ANSWER✅✅Aircraft: 2 hands
Egress: pistol grip & battle stock (1 hand)
*used by ground forces.
*11-12 rounds per second
GAU-16/A & XM-218 .50 caliber machine guns - CORRECT ANSWER✅✅-Crew served, recoil operated
-750-800 RPM
-Used on V-22 aircraft, H-53, UH-1 (GAU-16/A only) and H-60 series helicopter.
What are the differences between the GAU-16/A and the XM-218 - CORRECT ANSWER✅✅GAU-16/A:
front and backplate assembly
