Chapter 1 Flashcards
When using bolt cutters, what two types of metal should you avoid cutting?
Spring wire and tempered metal
What pliers are designed for cutting?
Diagonal Pliers
How would prevent rust from building up on a tool?
By applying a light coat of oil
What are the two types of portable sanders used in the navy?
Electric and pneumatic
What do you use to scale out a corner?
A needle impact scaler
What is the most common measuring tool?
Steel rule tape
When recoiling a spring loaded tape measure you should prevent against?
Tape snapback
What is the purpose of a dynamometer?
A dynamometer is used to measure energy or force
What should you do before plugging in a tool?
Make sure it is turned off
What is required on portable grinders?
A safety lock off device
What are the 5 types of personal protective equipment?
- Foot
- Eye
- Hand
- Hearing
- Head
What type of protection is required when with a portable grinder?
Eye protection
What are the three common types of tackle?
- Gun
- Single Luff
- Two-fold purchas
What is the mechanical advantage of a two fold purchase?
Four
The guiding principle of equipment stowage is…
“A place for everything and everything in its place.”
What is the most commonly used hammer by the ABH?
Ball peen
How should the blade be installed on a hacksaw?
The blade should be installed with teeth facing away from the handle.
Hacksaws cut on the push or
Pull?
They cut on the push stroke only
Which screw driver has 45 degree flukes and blunt end?
Reed and Prince
Which screw drive has 30 degree flukes and a blunt end?
Phillips
What tool is considered the all purpose tool?
Wrecking bars
Wrecking bars are designed for?
- Prying broads from crates
- Pulling spikes or heavy nails
- A lever use to move heavy objects a short distance
What is the most common adjustable pipe wrench?
Stillson
Adjustable pipe wrenches are primarily use for?
Rotating round stock and/or various pipes and piping
You are guilty of misusing a screw driver when you use it for what?
Prying, chiseling and testing electrical circuit
Which part of the standard screw driver is damaged if it does not fill 75% of the screw slot?
The blade
It’s flukes are angled at 30 degrees and it had a blunt end, what is being described?
A Philips screwdriver
Reed and Prince screwdrivers are usually used for what structural application?
Airframes
A Philips screwdriver should fill what capacity of a Philips screw head?
100%
Diagonal pliers are used for what?
Cutting
What type of wrench is referred to as the “knuckle buster” to due improper use?
Adjustable
When using a stillson wrench to rotate a pipe you should apply the wrench so that the twisting force will be provided by its fixed jaws. True or False?
True
Which type of wrench should you use on a chromium plated pipe?
Strap
Which type of torque wrench emits an audible click when you reach the desired torque value?
Micrometer
Since a hacksaw cuts on the ______ stroke, the blade should e installed with the teeth facing _______ from the handle.
Push
Away
A wrecking bar can be used for what?
Moving heavy objects a short distance
Pulling spikes Or heavy nails
Prying boards from a crate
Before you plug in a power tool you should make sure that power outlet is the same voltage as that specified for the tool and that the tool is properly grounded.
True or False?
True
What can you use a portable electric drill for?
Mixing paint
Drilling holes in metal in metal or wood
Buffering small items
How would you compare the cutting power and speed of a 1/2 inch drill to a 1/4 inch drill?
The 1/2 inch drill has more power and fewer rpms
Portable power sanders, pneumatics or electric may be used for what?
Smoothing flight deck prior to laying no skid
Removing paint
Scaling rust
What authority determines the recommended air supply pressure when a pneumatic tool is being used?
Manufacturer
Which tool is commonly referred to as the jitter bug?
Rotary impact scaler
What is the advantage when using a needle impact scaler to chip the deck?
It can scale (chip) corners
A dynamometer is an apparatus used for what?
Energy and force
What are some important precautions when using tools and equipment?
Inventory tools after use
Apply a light film of oil on tools after cleaning
Clean all tools after each use
There are many variations of common rule and steel tapes. Give some info on tapes and rules?
Metal tapes and rules should be kept lightly oiled
When not in use tapes and rules should be kept in a wooden box
You should always turn crank clockwise on windup type of tape
You must where googles when using cutting tools. True or
False?
True
Electric extension cords use with portable power tools should, in general, be no longer than?
25ft, with no more than two cords connected together
For info on hearing conservation, you should to what?
OPNAVINST 6260.2
When referring to the parts of a block and tackle what is the sheave?
The wheel over which the rope runs
When referring to the parts of a block and tackle what is the swallow?
The opening through which the rope passes
When referring to the parts of a block and tackle what is the strap?
The frame work that holds block together and supports the pin on which the sheave rotates
What is the mechanical advantage of a two fold purchase tackle?
4
How do determine the mechanical advantage of a block and tackle?
Count the number ropes on the moveable block
What is the mechanical advantage of a single luff tackle when inverted?
4, adds one to mechanical
Advantage
What is the rope called on a block and tackle?
Fall
A gun tackle is made up of how many blocks?
Two single sheave blocks
Describe line in increasing order if size?
Fibers, yarns, strands
Right laid line must be coiled down in a clockwise direction?
True
What is line called that is 6 inches in circumference and is used for towing or mooring?
Hawser
Two strand left laid stuff, roughly made up, tarred a dark brown
Marlin
Small stuff laid up right handed by machine?
Seizing stuff
Lines less than 1 3/4 inches in circumference
Small stuff
How should line be stowed when It is wet?
Long flakes over a grate
The inner part of the strands changing color is a sign of what?
The line has deteriorated
What condition indicate the line has deteriorated as a result of overstrain?
Decreased diameter
How does a 6X37 rope differ from a 6X19 rope?
A 6X37 rope has more wires in each strand
Aboard a ship, wire rope is unsuitable for general use when it is made from what?
Cast steel
Describe nonperformed wire compared to preformed wire rope.
Nonperformed wire rope is rigid and more likely to untwist!
How does spring lay compare with all steel wire of corresponding size?
It is weaker but more flexible!
What lubricant is recommend for use on wire rope used for exposed running rigging?
Graphite grease
When you handle wire ripe you should wear a pair of gloves to protect from what?
Fishhooks
What is the best way to uncoil wire rope?
Unwind it by rotating the entire coil
The critical length to which a 200 ft nylon line can be stretched is how
Many feet?
280ft, 40% it’s length
The elasticity of nylon line requires that a back tuck be taken in each strand when it is to be splice for use in a towing line.
True
How should you uncoil a new nylon rope?
Unreel it like wire rope
What tool is being described?
Can be used to raise and lower loads
Has a max working load
Comes in multiple sizes
Chain ratchet
What would be used to determine the breaking strength of pad eyes?
Dynamometer
Where should you look for safety precautions?
OPNAVINST 5100.19
What is another name for the chain ratchet?
Come-along
What is a stabilizing line?
A line 50ft in length attached between the aircraft and the crane to prevent oscillations on way to salvage site
What are tag lines?
100ft in length, hand held stabilizing line
What are securing lines?
They are random in length, used to secure equipment such as aircraft to the dolly and the dolly to the flight deck in jettison operations
What are tending lines?
100ft in length
Used for personnel safety when a crew member is operating in area requiring a safety harness
