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8 Cards in this Set
- Front
- Back
Define shot seating |
The conical portion where the chamber diameter is reduced to took the rifled portion. The rifling developes within the shot seating |
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Define shot travel |
Measured from the base of the projectile in its loaded position to the muzzle face |
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What is the main difference between AO and BO TYPES OF ORDNANCE |
AO cart case L118 BO breech loaded bag charge AS90 |
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What are the components if ordnance |
Muzzle break I F Barrel Slipper and jacket I F Fume extractor I F Firing mech Breech mech |
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Define parameters of the following Length if chamber Length of rifling Calibre length |
From C.F. to Commencment of shot seating Length of rifling at full depth Length if bore in mm ÷ by the calibre |
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Define the term series |
The number of EFCs a gun may fire before requiring examination |
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Efine Quarter of life |
An arbitrary division into 4 parts of either the permissible maximum wear or life if an ordnance |
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Take a?? |
Break |