introduction to power tool

ow much of a gap should there should be between the top guard and the wheel on a bench​ grinder?

1/4 inch

The maximum operating pressure of a pneumatic nailer is typically​ ____ psi.

120psi

Some hydraulic cylinders can lift more than​ ___

500 Tons

The most popular circular saw blade size is​ _____ inches.

7 and 1/4

Dull thud

A _____ ______ means the wheel is in poor condition and should be disposed of.

Kerf

A ________ is created by a saw blade as it cuts through the material.

Masonry Bit

A ________ is used to bore holes in brick, block, and similar materials.

Arbor

A circular saw blade is attached to the ________ of the saw.

reversing switch

A device on a power drill that enables a user to back out a drill bit that is stuck in the work material is called a(n) _____. chuck key reversing switch whip check auger switch

number of drill blows per minute

A hammer drill has an adjustable ring that can be turned to adjust the _____. voltage reaching the drill motor depth of the hole being drilled magnetic force applied to the base number of drill blows per minute

Porta Power

A lever-operated pump is referred to as a ______________.

pneumatic impact wrench

A pneumatic power tool that is best suited for fastening, tightening, and loosening nuts and bolts is a _____.

Grit

A sand-like material used to make a surface rough, graded by its size, is called ________.

Abrasive

A(n) ________ is a substance, such as sandpaper, that is used to wear away material.

Chuck Key

A(n) ________ is used to open and close the chuck on a power drill.

Countersink

A(n) ________ is used to set the head of a screw at or below the surface of the material.

Ground Fault Circuit Interrupter (GFCI)

A(n) ________ protects people from electric shock and protects equipment from damage by interrupting the flow of electricity if an electrical fault occurs.

Reciprocating

A(n) ________ saw's straight blades move backward and forward along a straight line.

Trigger Lock

Activating the ________ will make the trigger stay in the operating mode even when it is released.

Full, forward

After the saw has been started and is up to _____ speed, it is moved _______ to start cutting.

Pneumatic tools

Air hammers and pneumatic nailers are examples of this type of power tool.

Solid, even, and leveled

Always make sure the base of the jack can be placed on ________, _______, and ______ surface.

Read the manufacturer's instructions

Before using any pneumatically powered nailers always ____________.

Shapes and sizes; steady hands

Burr bits come in various ____ and ____. Workers should be aware that using a grinder with burr bits requires ______ hands.

High rpm

Burr bits operate at _____ ______ and can catch on burrs and cause the grinder to shift around a bit.

saws that cut by friction

Chop

two

Circular saw blades are protected by _____ guards.

Thin materials and smooth cuts

Fine-toothed blades are used for what?

Forstner Bit

If a flat-bottomed hole is needed in a piece of lumber, use a ________.

Do not use

If a power tool is equipped with a trigger lock, ___________ (do or do not use) the lock?

Carbide

Masonry bits and nail-cutter saw blades have a(n) ________ tip.

Will not

Most hammer drills _________ (will or will not) hammer until pressure is applied to the drill bit against a surface.

Ring Test

Perform a(n) ________ to check the condition of a grinding wheel.

Hydraulic tools

Pipe benders, jack hammers, and Porta-Powers are examples of these tools.

is not a safe practice when using a hydraulic​ jack?

Placing a pipe on the handle to increase pumping leverage.

type of saw is used to make curved cuts in​ plywood?

Saber

Trigger lock

Small lever or switch on tool used to keep tool powered on even after switch has been released, keeping the tool on.

Shank

The ________ is the smooth part of a drill bit that fits into the chuck.

Chuck

The ________ of the drill holds the drill bit.

Why is it unacceptable to use a​ powder-actuated tool to fasten a plywood sheet to a wall​ stud?

The fastener can easily pass through both​ materials, causing an injury.

Internal pumps and level-operated pumps

There are various types of hydraulic jacks including through with _________ pumps and those that use a ________________ pump.

Pavement breakers, clay spades, rock drills, and core borers

These are large scale demolition tools are frequently used in construction.

Pneumatic impact wrenches

These are power tools that are used to fasten, tighten, and loosen nuts and bolts.

Pneumatic nailers

These nailers are designed to fire when the trigger is pressed and the tool is pressed against the material being fastened.

1/8

These should be a distance of only ____ inch between the tool rest and the wheel.

Pneumatic tools

These tools are powered by air. Electric or gas compressors produce air pressure.

Electric tools

These tools are powered by electricity. They are operated from either an alternating current (AC) source such as a wall receptable or a direct current (DC) sources such as a battery

Hydraulic tools

These tools are powered by fluid pressure.

Bench grinders

This grinder is electronically powered stationary grinding machines.

Bench grinders

This grinder usually has two grinding wheels that are used for grinding, rust removal, and metal buffing.

Powder- actuated tool

This tool is a low-velocity fastening system powered by gunpowder cartridges, or loads.

Pavement Breaker

This tool is used for large-scale demolition work, such as tearing down brick and concrete walls and breaking up concrete or pavement

Angle grinders

This type of grinder is used to grind away hard, heavy materials and to grind surfaces such as pipes, plates, or welds.

Ground Fault Protection

To prevent an electrical shock, do not operate electric power tools without proper ________.

Adjustable ring

Turned to adjust the number of blows per minute

Auger Bit

Use a(n) ________ to bore holes in wood and other materials.

Special training and certification

Using a powder-actuated fastening tool requires ________ _________ and ____________.

Used to drive steel pins or treaded steel studs directly into masonry and steel.

What are powder-actuated tools used for?

Delicate and intricate work, such as cutting out patterns or irregular shapes from wood or thin, soft metals.

What are saber saws (jig saws) used for?

Removing rough edges and burrs from the inside and outside of pipes and other objects.

What are special bits on grinders used for?

Pistol grip, with a trigger switch or controlling power, reversing switches that enable drill to spin backwards, use replaceable bits for different drilling tasks.

What are the common features of basic power drills?

Allowing it to make straight and miter cuts

What does combining a power miter saw with a miter box and a circular saw allow it to do?

Flying debris and from accidentally touching the spinning blade

What does the guard on the top of the circular saw protect you from?

The method of testing the condition of a grinding wheel. The wheel is mounted on a rod and tapped.

What is a ring test and how is it performed?

Disconnect the air hose before attempting any repairs

What is the first thing you do is a pneumatic nailer is not firing?

Make sure that the tool has been disconnected from its source of energy before parts such as bits, blades, or discs are replaced and before any type of maintenance is performed.

What is the most important power tool safety rule?

Make sure that the switch is in the OFF position

What should you check for before plugging a saw into a power source?

Bare soil or any other surface that could compact or shift under the load

What should you never place the base of the jack on?

Miter box with a circular saw

What two things are combined to make a power miter saw?

Clear ring

When completing a ring test a _____ ______ means the wheel is in good condition.

Clear ring , dull thud

When completing a ring test a _____ ring means the wheel is in good condition and a _____ ______ means the wheel is in poor condition and should be disposed of.

When there is no available source of electricity or when a high rate of production is desired.

When is a pneumatic drill used?

Revolutions Per Minute (Rpm)

______ is the value used to report the rotational speed of a motor or shaft.

Direct Current (DC)

_______ flows in one direction, from the negative to the positive terminal of the source, such as a battery.

Alternating Current (AC)

________ reverses its direction at regularly recurring intervals; this type of current is delivered through wall plugs.

the following grinders is used to grind away​ hard, heavy​ material?

angle

True or False The blade on a power miter saw can be tilted vertically.

false

On a job​ site, a portable bandsaw is almost exclusively used for cutting​ _____ .

heavy metal

Twist drills are not used to drill holes in ​ _____.

masonry

what tools are pneumatic​ toosl?

nailer

what saw is typically used in demolition​ work?

reciprocating

Before loading a bit in an electric​ drill, make sure​ _____.

the drill is unplugged

True or False Use the​ low-speed setting on a reciprocating saw when cutting a steel pipe.

true

true or false It is mandatory to remove the power source before repairing any​ electric, pneumatic, or hydraulic tool.

true

true or false Most hammer drills will not hammer until a pushing pressure is put on the drill bit.

true

true or flase Wheels used on bench grinders must not be operated in excess of their rated speed.

true

Tmeterials

wood metal & plastic