CHAPTER VIII

ORDNANCE SERVICE

The Ordnance promotional exams is taken from the Basic and Advance

NCO Career Course.

Emphasis is on the duties and responsibilities of ordnance personnel and their role in support to operations.

May this reviewer enlighten the OS personnel.

MAJ JOSE C CLET (QMS) PACareer Adviser for Ordnance Service

INDORSEMENT

The Promotional Examinations (PROMEX) Reviewer is a pioneer reference guide in preparing the soldier for evaluation. It does not only prepare him for the upcoming exams but also guides him on what he ought to learn and do.

I am indorsing the PROMEX for Ordnance so that the Ordnance personnel be guided in their military growth.

May the Ordnance keep the battle going by continuously learning through this reviewer.

NOEL B MIANOCOLONEL (MNSA) OS PAChief of Ordnance Service

AFPOS: OrdnanceRank: Corporal

Topics for Review

1. Fundamentals of Armaments2. Supply Procedures3. Grenades4. Landmines5. Rockets6. Ammo, Explosives and FAs7. Intro to Military Vehicle8. Fundamentals of Ballistics9. Fundamentals of Welding Operation10. Intro to Ammunition11. Bombs

Sample Questions A. FUNDAMENTALS OF ARMAMENTS

1. Small arms weapons are those weapons which have a bore diameter of 37 mm and below.

a. True b. False

2. The interior of the barrel through which the projectile passes.

a. bore c. muzzleb. chamber d. groove

B. SUPPLY PROCEDURES

3. Under what General Classification of Supplies do food and subsistence/ ration belong?

a. Class I c. Class IIIb. Class II d. Class IV

4. A fire truck is a supply.

a. True b. False

C. GRENADES

5. The type of grenade used for riot control which may be incendiary or smoke.

a. Fragment c. Chemicalb. Offensive d. Practice training

6. This type of grenade is used to provide illumination to the terrain and target.

a. Offensive c. Illuminatingb. Fragmentation d. Chemical

D. LANDMINES

7. This type of mine is secretly placed on the ground or attached to an obstacle, such as tree or pole, in the expected path of the enemy.

a. Bobby trap c. Fixed directional typeb. Bounding type d. None of the above

8. Is designed primarily to kill, wound and incapacitate enemy personnel.

a. Anti-tank Mine c. APERS Mineb. Landmine d. Mine

E. ROCKETS

9. A ____ is a missile propelled by a discharging jet of gas.

a. Landmine c. Grenadesb. Bomb d. Rocket

10. Typically a/an _______ is used once and discarded.

a. Igniter c. Expendable launcherb. Tube d. Rail

F. AMMO, EXPLOSIVES AND FA’S

11. Confiscated firearms, explosive, and ammunition are those seized by virtue of law enforcement operation from the person who are unauthorized to carry said items.

a. True b. False

12. All confiscated and recovered explosives and ammunitions shall be turned-in at FSSUs.

a. True b. False

G. INTRO TO MILITARY VEHICLE

13. The distance between level ground and the lowest point on the undercarriage of the vehicle.

a. Ground vehicle c. Flotationb. Ground clearance d. NOTA

14. The weight of cargo or passenger including crew which maybe imposed on a vehicle.

a. Pay load c. Net weightb. Passenger capacity d. NOTA

H. FUNDAMENTAL OF BALLISTICS

15. According to Newton’s third law of motion, the forward push on the projectile is equal to the rearward push of the gun carriage or of the wider base plate upon

the ground.

a. True b. False

16. It is desirable that the projectile travel nose - first at all times, otherwise, the streamline shape cannot reduce air resistance.

a. True b. False

I. FUNDAMENTAL OF WELDING OPERATION

17. The joining of metal parts by fusing the material together when it is in molten state.

a. Welding c. Oxy-acetylene weldingb. Electric welding d. Flame welding

18. Are made of woven hair-like strands of copper wire covered with insulated rubber.

a. Electrode c. Cablesb. Electric welding d. Flame welding

J. INTRO TO AMMUNITION

19. Any high explosive, chemical, pyrotechnic, or practice munitions designed for aerial delivery.

a. Guided missile c. Rocketsb. Bomb d. None of these

20. Designed for use in guns, howitzer, mortars and recoilless rifles ranging from 37 mm through 280 mm.

a. Small arms ammo c. Grenade ammob. Artillery ammo d. Service ammo

K. BOMBS

21. The fragmentation bomb is designed to kill personnel by fragments only.

a. True b. False

22. ______ is a type of bomb used for underwater targets.

a. Fragmentation bomb c. Fire bombb. Depth charge d. Incendiary bomb

---GOOD LUCK---

AFPOS: OrdnanceRank: Sergeant

Topics for Review

1. Fundamentals of Armaments2. Grenades3. Landmines4. Rockets5. Supply Procedures6. Fundamentals of Welding Operation7. Fundamentals of Ballistics8. Intro to Ammunition9. Intro to Military Vehicle10. Bombs11. Ammo, Explosive and Firearms

Sample Questions

A. FUNDAMENTALS OF ARMAMENTS

1. Rifling is the helical or spiral grooves and ridges along the bore surface imparting rotation to the bullet.

a. True b. False

2. The firing device that has no spring on the pin, and the pin is free from the force of another body.

a. percussion c. firing mechanismb. free floating d. fixed

3. Firearms whose barrel moves back and forth during firing and uses recoil energy to operate.

a. gas operated c. recoil operated b. manually operated d. direct gas action

B. GRENADES

4. The word “GRENADE” was derived from the latin word_________.

a. granada c. granatesb. grenades d. granatus

5. Fragmentation grenade is used to produce casualty through high velocity explosion to through fragments.

a. true b. false

6. A small bomb filled with HE or chemical designed to be thrown by individual soldier.

a. hand grenade c. rifle grenadeb. grenade cartridge d. special grenade

7. A type of grenade that is usually used for riot control.

a. fragmentation c. chemicalb. pillbox d. practice/training

C. LANDMINES

8. Landmine is a device filled with explosive or chemicals intended for placement on the ground or beneath the surface.

a. true b. false

9. It is designed primarily to destroy or damage the enemy’s vehicle.

a. anti-tank mine c. mineb. landmine d. APERS mine

10. Fragmentation mine that explodes approximately 3 to 6 feet above the ground. What is this type of fragmentation mine?

a. fixed directional type c. blast typeb. bounding type d. all of these

D. ROCKETS

11. _______holds the rockets, and provides initial guidance and electric contact for firing.

a. igniter c. rocket launcherb. nozzle d. propelling charge

12. Rockets are identified by standard nomenclature and lot number.

a. painting c. markingb. drawing d. label

13. A venturi is the shape of the tail of a rocket.

a. true b. false

E. SUPPLY PROCEDURES

14. It includes all kinds of property for public use except real state.

a. supplies c. supply economyb. products d. all of these

15. These are properties which are unserviceable and beyond economical repair.

a. captured enemy property c. responsibilityb. Beyond economical repair d. none of these

16. An ammunition of all types is a supply.

a. true b. false

F. FUNDAMENTALS OF WELDING OPERATION

17. A welding process in which the welding heat is obtained from an arc either between the metal and the electrode.

a. electric welding c. electric arc weldingb. flame welding d. All of these

18. In arc welding, the arc to be joined becomes part of an _______.

a. electric charge c. electric currentb. electric circuit d. electric energy

19. Is an insulated clamping device used for holding the electrode for welding.

a. ground clamp c. electrode cableb. electric holder d. plier

G. FUNDAMENTAL OF BALLISTICS

20. A pointed projectile encounters less resistance than a blunt-nosed projectile.

a. true b. false

21. The prevailing weather will have a significant effect on the flight of the projectile.

a. true b. false

H. INTRO TO AMMUNITION

22. Type of artillery ammo which consists of a sealed cartridge case containing non-adjustable amounts of propellant within specific cases, one can thus adjust distance by choosing a certain case.

a. fixed c. semi-fixedb. separated d. separated loading

23. Any HE, chemical pyrotechnics or munitions designed for aerial delivery.

a. artillery c. rocketb. missiles d. bomb

24. A rocket with a guidance and control system incorporated therein that guides to the target after launch using heat seekers, radar, laser, etc.

a. angle approach c. guided missileb. rockets d. none of these

I. INTRO TO MILITARY VEHICLE

25. A drive in which all wheels receive power for propelling the vehicle.

a. angle approach c. NOTAb. all wheel drive d. convertible

26. The total mileage a vehicle can operate based on the contents of its fuel tank.

a. cruising range c. cross countryb. angle of departure d. all of these

J. BOMBS

27. Is used to incur casualties among personnel and for the purposes of area contamination.

a. fire bomb c. chemical bombb. fragmentation bomb d. incendiary bomb

28. Usually used in all bombing purposes, and 50% of its weight is explosive.

a. fire bomb c. GP bombb. smoke bomb d. incendiary bomb

K. AMMO, EXPLOSIVE AND FIREARMS

29. The FSSU is the designated collecting units of all CCs firearms, explosive and ammunition in the Philippine Army.

a. true b. false

30. Organic firearms, explosives and ammunition are those which are Government-issued and licensed to any private individual.

a. true b. false

---GOOD LUCK---

AFPOS: OrdnanceRank: Staff Sergeant

Topics for Review

1. Fundamentals of Armaments2. Artillery Ammunition3. Intro to Ammunition4. Artillery Weapons5. Maintenance System6. AFP Procurement System7. Motor Transport Operation8. Materiel Development

Sample Questions

A. FUNDAMENTALS OF ARMAMENTS

1. Recoile-operated firearms are those firearms whose barrel moves back and forth during firing.

a. True b. False

2. The interior of the barrel through which the projectile passes.

a. bore c. chamberb. muzzle d. cartridge

3. The unintentional interruption in the cycle of operation, causing the break in the cycle of operation.

a. malfunction c. cook-offb. stoppage d. hang fire

B. ARTILLERY AMMUNITION

4. Designed for use in guns, howitzers, mortars and recoilless rifles ranging from 37 mm through 280 mm.

a. artillery ammo c. small arms ammob. grenade ammo d. service ammo

5. Separate loading projectile is generally issued unfuzed, with an eyebolt lifting plug threaded in the fuze well.

a. True b. False

6. It comprises all necessary components to fire weapons at once.

a. projectile c. complete roundb. cartridge case d. rotating band

7. Component in a propelling charge explosive train which produces flame that ignites the propellant.

a. ignition charge c. propelling chargeb. cartridge case d. primer

C. INTRO TO AMMUNITION

8. Type of artillery ammo in which the primer, adjustable propelling charges and the projectile come unassembled and are loaded separately into the weapon.

a. fixed c. semi-fixedb. separated d. separate loading

9. Type of artillery ammo in which the cartridge case is loosely fitted over the base of the projectile. The propelling charge is separately bagged in the cartridge case and is adjustable to the desired range.

a. fixed c. separate loadingb. separated d. semi fixed

10. This ammunition is used for many purposes such as anti-tank system signaling. This ammunition is easily identified because it is normally constructed with fins for stabilization in flight and has rocket motor nozzle (vinturi) at the end.

a. bomb c. guided missile b. rockets d. none of the above

D. ARTILLERY WEAPONS

11. Low muzzle velocity and high angle fire, with elevation of approximately 40 degrees to 85 degrees.

a. mortar c. gunb. howitzer d. recoilless rifle

12. Non-recoiling, no recoil mechanism.

a. mortar c. gungb. recoilless rifle d. howitzer

13. Interior tapered portion, causing projectile to engage firing.

a. forcing cone b. centering slopeb. bore d. check seat

E. MAINTENANCE SYSTEM

14. ________is the first to detect, correct or report equipment failures, and the key man for the preventive maintenance.

a. mechanic c. dispatcherb. operator d. mechanic

15. The function to complete rebuilding pertains only to __________.

a. depot maintenance c. general support maintenanceb. direct support maintenance d. organz’l support maintenance

16. Technical inspection will be conducted prior to repair, overhaul or rebuild of an equipment.

a. true b. false

F. AFP PROCUREMENT SYSTEM

17. It is an Act providing for the modernization, standardization and regulation of the procurement activities of the government and for other purposes.

a. Republic Act No 9184 c. Standardization Actb. Modernization Act d. All of these

18. It refers to the acquisition of goods, consulting services and the contracting for infrastructure projects by the procuring entity.

a. rent to own c. leaseb. procurement d. none of these

19. Goods refer to all items, supplies, materials and general support projects except consulting services and infrastructure projects.

a. true b. false

G. MOTOR TRANSPORT OPERATION

20. It is the foundation of the maintenance system.

a. direct support maintenance c. depot maintenanceb. general support maintenance d. unit level maintenance

21. What is distance traveled over time lapsed?

a. speed c. distanceb. ratio d. time

H. MATERIEL DEVELOPMENT

22. A working model used to test the effectiveness of a materiel.

a. end user c. producersb. prototype d. researcher

23. Equipment and supplies used in military operation.

a. Characteristic c. Class IIb. Defense materiel d. none of the above

---GOOD LUCK---

AFPOS: OrdnanceRank: Technical Sergeant

Topics for Review

1. Methods of Research 2. Fundamentals of Ballistics3. AFP Logistics Organization4. Unit Organizational Supply Procedures5. Storage and Warehousing6. Sources of Information7. Ammunition Surveillance8. Intro to Ammunition9. Fundamentals of Artillery Weapons10. Ammunition, Basic Load and Issuances

Sample Questions

A. METHODS OF RESEARCH

1. Gathering of data directly through face to face interaction is called ________.

a. primary course c. secondary courseb. interview d. analysis

2. It is something taken for granted.

a. abstract of a thesis c. theoryb. fact d. opinion

3. Is a hypothesis proven to be true.

a. opinion c. theoryb. assumption d. fact

B. FUNDAMENTALS OF BALLISTICS

4. It is the study of projectile motion inside the barrel of a gun.

a. spin c. rearward motionb. interior ballistic d. none of the above

5. It is a science which deals with the motion of the projectiles and the condition that affect its motion.

a. interior ballistic c. spinb. exterior ballistic d. ballistic

6. The main purpose of a gun is to deliver a projectile at high speed. This speed is measured as ____of the gun.

a. muzzle velocity c. forward motionb. ballistics d. rearward motion

C. AFP LOGISTICS ORGANIZATION

7. The President, as head of the executive branch, determines national policies and objectives.

a. true b. false

8. The Army’s logistics manager is headed by G4, PA

a. true b. false

9. A staff officer who advises the commander on ordnance matters.

a. ordnance man c. mobility officerb. ordnance officer d. ordnance specialist

D. UNIT ORGANIZATIONAL SUPPLY PROCEDURE

10. Supplies that are locally purchased are called_____.

a. non-expendable supplies c. republic suppliesb. non-republic supplies d. expendable supplies

11. Supplies which are consumable or perishable in nature and loose their identities when placed in or attached to a major item or property.

a. republic supplies c. expendable supplies b. non-republic supplies d. non-expendable supplies

12. Bayonet and sling are accessory of firearms. What technical service does bayonet and sling belong?

a. ordnance c. signalb. engineer d. quartermaster

E. STORAGE AND WAREHOUSING

13. It is the place where we hold or keep the readiness of supplies for future use.

a. supply room c. warehouseb. storing d. all of these

14. These are supplies that are not expected to be issued within three (3) years.

a. standby/short term c. limited/temporaryb. long term d. all of these

15. It is the activity which is concerned with the orderly arrangement of storage, and the issuing of finished goods or products.

a. storage c. long termb. warehousing operations d. short term

F. SOURCES OF INFORMATION

16. These are printed materials that give info guidance to our daily tasks.

a. verbal instruction c. publicationb. field manual d. directive

17. What technical service does TM-9-1300-206 belong?

a. signal c. quartermasterb. engineer d. ordnance

18. It is a publication exclusively for ammunition.

a. TB Ord 657 c. TB 9-1300-203b. TB 9-AMM-03 d. TB 9-380-2

G. AMMUNITION SURVEILLANCE

19. Type of inspection done which is periodically on all ammunition to assess its deterioration and non-standard conditions.

a. periodic inspection c. acceptance inspectionb. initial rcpt inspection d. receipt inspection

20. A defect that is not critical and is likely to result in failure in its tactical use or which precludes or reduces the usability of the item.

a. major c. criticalb. minor d. incidental

21. Inspection performed on stocks of munitions to include training security and contingent stocks maintained by a military unit and/or civilian security force.

a. basic load inspection c. annual inspectionb. special inspection d. all of these

H. INTRO TO AMMUNITION

22. Material that consists of explosive or chemical agents with their mechanical devices characteristics, designed for use of military objectives.

a. gun c. cannonb. military ammunition d. mortar

23. Small arms ammunitions are ammunitions normally fired by rifles, pistols and machine guns with a bore diameter of 9mm up to 37mm.

a. true b. false

24. Munitions that are used for signaling, illuminating and simulating, that include flares, smoke, light signal and flash and noise simulators.

a. pyrotechnics c. grenadesb. rockets d. all of these

I. FUNDAMENTALS OF ARTILLERY WEAPONS

25. Type of artillery weapon that is permanently installed on land and sea frontier for the protection of important areas.

a. fixed artillery c. railway artilleryb. mobile artillery d. towed artillery

26. A category of artillery weapon that depends on outside mobile power, such as truck or tractors.

a. towed artillery c. self-propelledb. railway artillery d. mobile artillery

J. AMMUNITION, BASIC LOAD AND ISSUANCES

27. The specific quantity of ammunition authorized for each weapon that is required to be in the possession of a unit.

a. bulk load c. basic loadb. individual load d. all of these

28. Is an installation that provides general support (GS) requirement of combat operating forces.

a. bulk load c. FSSUb. ammo dump d. warehouse

---GOOD LUCK---

ANSWER KEY

CHAPTER VIII – ORDNANCE SERVICE

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