2w151 URE V2 (a)

1.

1 point

What does the numerical rating of fire extinguishers serve as a guide for?

Amount of fire the extinguisher can extinguish.

Material safety data sheet (MSDS) of the fire fighting agent.

Type of fire the extinguisher is effective against.

Type of extinguishing agent.

2.

1 point

Each type of explosive must be handled according to its specific

physical size.

sensitivity.

toxicity.

fragmentation.

3.

1 point

Which fire classification covers flammable liquids?

Class B.

Class D.

Class C.

Class A.

4.

1 point

What colors should be used to indicate permanent aisles on shop floors?

Orange or orange and black.

Yellow or yellow and black.

Green or blue and green.

Yellow or yellow and red.

5.

1 point

Where can information on the hazards of chemicals be found?

Material Safety Data Sheet.

AFI 91–202, The US Air Force Mishap Prevention Program.

AFMAN 91–201, Explosives Safety Standards.

AFI 91–101, Air Force Nuclear Weapons Surety Program.

6.

1 point

What effect do burns have on current flow through the skin?

Marginally increase the skins resistance to current flow.

Greatly reduce the skins resistance to current flow.

Greatly increase the skins resistance to current flow.

Have no effect on the skins resistance to current flow.

7.

1 point

What amount of current flow causes a shock strong enough to be felt, but is normally
harmless?

.01 amp.

.1 amp.

.001 amp.

.0001 amp.

8.

1 point

What fire classification can be effectively extinguished by water?

Class C.

Class D.

Class A.

Class B.

9.

1 point

A face shield usually replaces goggles when

a hard hat is worn.

drilling holes.

vision is critical.

there is a danger of falling objects.

10.

1 point

What is the primary factor to consider when dealing with the potential harm caused by an
electrical shock?

Potential difference or electro-motive force.

Resistance or ohms.

Current flow or amperage.

Electrical pressure or volts.

11.

1 point

The temperature where a flammable liquid produces enough vapors to produce a flame is
the

fire point.

flash point.

spark point.

hot point.

12.

1 point

When voltage is applied to equipment being repaired,

tools should not be used.

nonessential tools should be removed.

essential tools should be removed from the equipment.

all tools need to be on hand next to the equipment.

13.

1 point

What agency should you contact if you suspect your lighting is inadequate in a work area?

Wing safety office.

Base bioenvironmental engineering office.

Air Force office of safety and health.

Occupational safety and health administration.

14.

1 point

What effect does bonding have on static electrical charges?

Dissipates them.

Equalizes them.

Increases them.

Rounds them.

15.

1 point

How are the contents of compressed gas cylinders identified?

Both stenciling and color coding.

Color coding.

Bar coded labels or tags.

Stenciling.

16.

1 point

Which agency is responsible for determining what kind of protective equipment to use for a
particular task if specific guidance is not provided from a technical manual?

Air Force office of safety and health.

Wing safety office.

Base bioenvironmental engineering office.

Occupational safety and health administration.

17.

1 point

What is the most common hazard associated with electricity?

Secondary explosions.

Sparks.

Fires.

Electrical shocks.

18.

1 point

What accident prevention sign has white lettering on a green background?

Caution.

Directional.

Danger.

General safety.

19.

1 point

What electrical safety measure is required in maintenance operations involving flammable
liquids, flammable gasses, and explosives?

Bonding.

Grounding.

Rounding.

Static testing.

20.

1 point

Which of the following fire fighting agents may clog filters in air-handling systems and
leave a residue?

Dry powder.

Carbon dioxide.

Halon 1211.

Halon 1301.

21.

1 point

Particles of wood and metal are classified as what type of skin contaminants?

Chemical.

Mechanical.

Physical.

Material.

22.

1 point

When do you use compressed air for cleaning electrical equipment?

Only when oil is applied.

Only as a last resort.

After using chemical cleaners.

After using dry cleaners.

23.

1 point

What are the preferred metal clamps used for grounding and bonding?

Gold.

Copper.

Aluminum.

Zinc.

24.

1 point

Bonding is simply the placement of a

high-resistance wire between a metal object and the ground.

low-resistance wire between two metal objects.

low-resistance wire between a metal object and the ground.

high-resistance wire between two metal objects.

25.

1 point

What governs the size, style, and design of the shadow boards and toolboxes?

AFI 33–2210, Composite Tool Program management.

AFI 33–2210, Tool control and maintenance.

The needs of your section and the materials it has at its disposal.

AFOSHSTD 91–501, chapter 12, Hand tools and portable power tools.

26.

1 point

What information is contained on a material safety data sheet (MSDS)?

All hazards involved with handling the material and safety measures to follow while handling the material.

Safety measures to follow while handling the material.

All hazards involved with handling the material.

All hazards involved with handling the material, safety measures to follow while handling the material, and proper methods of disposing of the chemical.

27.

1 point

When may first-aid kits be kept in maintenance shop?

When authorized by the base surgeon.

When authorized by the squadron commander.

When the shop contains electrical equipment.

When the shop contains flammable material.

28.

1 point

What procedure should be used when grounding test equipment?

Connect a ground wire from the test set’s ground lug to the building grounding conductor.

Connect a ground wire from the building ground lug to the test set’s electrical connector.

Route a ground wire from the test set’s ground lug to a two-prong plug.

Route a ground wire from the two-prong plug to the test set’s ground conductor.

29.

1 point

What type of arm and hand protection is needed when working around jagged objects,
rough wood, or similar hazards?

Plastic gloves.

Leather gloves.

Vinyl gloves.

Kevlar gloves.

30.

1 point

Which of the following is not a goal of the Hazard Communication Standard?

Ensuring Environmental Protection Agency (EPA) approved methods of disposal for hazardous materials.

Establishing uniform requirements for communicating information about chemical hazards to both management and workers.

Identifying and evaluating chemical hazards.

Reducing the incidence of injury and illness caused by hazardous chemicals in the workplace.

31.

1 point

What term defines a measure of how severe symptoms a given chemical produces or how
long they persist?

Toxicity.

Dosage.

Exposure.

Duration.

32.

1 point

Why do you inspect equipment before testing and following repair actions?

Check for obvious defects

Establish a maintenance record.

Ensure the job was completed on time.

Document actions taken.

33.

1 point

The flash point of a liquid can be most easily avoided by

diluting the liquid and controlling the liquid temperature above the flash point.

controlling the liquid temperature above the flash point.

good ventilation or elimination of spark devices.

less ventilation and elimination of spark devices.

34.

1 point

Who is responsible for adding new information to the material safety data sheet (MSDS) on
the hazards of a chemical and appropriate control measures within three months after becoming

Federal bureau of mines, chemical, and hazard abatement.

The chemicals manufacturer or importer.

Air Force office of safety and health.

Occupational safety and health administration.

35.

1 point

When cleaning electrical equipment, you should use

only approved cleaning solvents.

a dry chemical cleaner.

fast-dry alcohol solution.

only approved dry chemical cleaners.

36.

1 point

What type of accident prevention sign has yellow lettering on a black background?

Directional.

Danger.

Caution.

General safety.

37.

1 point

The ruptured metal case of an explosive or munitions presents what type of hazard?

Fragmentation.

Sensitivity.

Secondary cascade initiation.

Incendiary.

38.

1 point

What type of equipment is required to protect the feet when working around heavy, rolling,
or falling objects?

Safety-toe shoes.

Conductive shoes.

Reinforced structure shoes.

Engineer’s boots.

39.

1 point

One of the purposes of electrical safety is to prevent

normal voltage from shorting out equipment.

you from electrocuting yourself.

wasted resources.

static electricity.

40.

1 point

The effects of electrical shock are dependent on the circumstances and

are stopped by the amount of oxygen in the body.

the blood pressure of the person.

are regulated by the lack of contact with the electrical source.

what parts of the body the current flows through .

41.

1 point

What type of accident prevention sign will generally have black letters on a white
background on the lower panel?

General safety.

Danger.

Directional.

Caution.

42.

1 point

What is considered the secondary hazard involved with working around fiber optics?

Needle like structures that can easily be embedded into the skin or eyes.

Inhalation from damaged insulation.

Thermal burns.

Fire hazard from energized laser diodes.

43.

1 point

Where do class C fires occur?

Wooden structures.

Flammable metals.

Flammable liquids.

Electrical equipment.

44.

1 point

Personal protective equipment greatly

decreases accidents.

increases accidents.

increases the cost of protection.

decreases the cost of protection.

45.

1 point

How are pipes transporting hazardous chemicals labeled?

Pipes carrying chemicals do not have to be labeled, but you must be informed about the hazards of any chemicals carried through your work area in unlabeled pipes.

Placards where they enter a room larger than ten feet by ten feet.

They are stenciled with their contents on the outward side within ten feet of where they emerge into an occupied room.

Placards at the location where they enter the facility.

46.

1 point

When performing measurements on energized circuits, meters should

be placed on the equipment under test.

not be held in your hand.

not be used.

be held by a helper.

47.

1 point

Dust, gas, vapor, fumes, and mist are examples of what type of contaminants?

Skin.

Physical.

Chemical.

Atmospheric.

48.

1 point

What hazard does carbon dioxide present to the user when used as a fire fighting agent in
concentrations sufficient to extinguish a fire?

Presents a shock and electrocution hazards if used on fires involving energized electric equipment.

May clog filters in air-handling systems and leave a residue.

Is toxic when exposed to heat and produces toxic by-products of combustion that can be hazardous.

Will displace oxygen and make the area incapable of supporting life.

49.

1 point

What should you refer to when checklists do not cover local variations?

Career development courses.

Operations engineering.

Maintenance operating instructions.

Safety engineering.

50.

1 point

Bonding wires are attached to what type of metal surfaces?

Painted.

Plated.

Bare.

Soiled.