C-2 Flashcards by Dallas Brienen

What is the difference between a portable power tool and a stationary one

Stationary power tools are stationed in place and aren’t often moved

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What is a pneumatic tool

A tool that is powered by compressed air

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How does a jigsaw differ from a reciprocating saw

Jigsaw is smaller and has a blade under, the reciprocating saw has the blade in the front

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Should a power mitre saw be used to rip lumber

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What is a rotary hammer used for

Drilling in concrete or rock

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What is a demolition hammer used for

Punching a hole through or breaking concrete, rock or asphalt

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Name three types of routers

Standard, plunge and laminate trimmer

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What are belt sanders used for

To smooth and shape wooden pieces. They are used when a lot of material needs to be removed also to fit countertops to uneven wall surfaces

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What are the advantages of a coil nailer compared to a strip nailer

Coil nailers hold more nails, are more compact for tight nailing situations, and shoot round head nails. Most have aggressive toenailing teeth to grip lumber

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What type of portable power tool does not need to be grounded

Double insulated

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What is the purpose of a ground-fault circuit interrupter

The breaker will trip before injury occurs

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What are the 3 major causes of injury when using power tools

Lack of experience/knowledge, unexpected events, lack of attention

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What maintenance is required if there is excessive sparking at the brushes

Replace the brushes

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Why should heavy gauge wire be used for extension cords

To ensure adequate amperage supply

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What is the minimum wire size for 100 foot long extension cords connected to a tool that draws 14 amps

12 gauge

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Is a 14 gauge AWG wire thicker than an 18 gauge wire

Yes

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What identifies the size of a portable circular saw and what is the most common size for a corded saw

Diameter of the largest blade the saw can use. And 7 1/4”

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What is another name for the base plate

Shoe (foot)

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What should the saw blade depth be set to

1/4” deeper than the thickness of wood being cut

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What should be done if the saw blade vibrates when running

Do not use

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Explain the term hook angle

The angle formed between a radial line extending to the tip of the tooth and the gullet of the tooth

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Explain how to keep the face of a door from chipping when trimming it with a portable circular saw

Score the cut line with a sharp knife

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Should the good side be up or down when cutting for finishing work

Good side down

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What causes kickback

The saw kerf closing (pinching) on a spinning blade

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Should the rated blade speed be less or greater than the rated non load speed of the saw

Greater

After making a pocket (plunge) cut is it safe to cut backwards to finish the cut

Can having someone catch the off cut contribute to kickback

Yes

What is the name for a cut with two angles

Compound mitre

What type of blade will reduce waste

Thin rim blade

Why are 12” mitre saws limited in how powerful they can be made

The maximum power source for portable tools in Canada is 120 volts

What is the purpose of the mitre detent override

Allows detent action to be locked out allowing for micro adjustments to any mitre angle

How are the tool mount pads secured

By clamping, bolting, or nailing the saw to a flat work surface

What is the microfine mitre adjustment system used for

Allows for fine adjustment of the detent angles

Where are the adjustment and blade changing tools stored

The rear cover tool storage

How is the size of a portable electric drill designated

The maximum diameter drill the chick will accept

What type of drill is suitable for use as an electric screwdriver

Drills with variable speed, and forward/reverse modes

What are hammer drills used for

Drilling concrete, masonry, or natural stones

What’s the difference between a hammer drill and a rotary hammer drill

A rotary hammer can drill larger diameter holes, it hammers about 10 times harder, and it has a hammer only mode

When using a drywall screwgun to fasten gypsumboard to a stud, where should the screw sit when screwing is complete

Just below the face of the board, but it must not tear the paper cover

When using a drywall screwgun, when does the screwdriver bit start to turn

When pressure is applied to its tip

Screws must be positioned at an angle that is ___________ to the face of gypsumboard

Perpendicular (to the face of the wallboard)

Can an electric screwdriver withdraw a screw as well as install it

Yes

Why is it advantageous to work with a screwdriver with a magnetic tip

Magnetic heads hold the screws onto the bit

What device supplies power to a pneumatic portable tool

A compressor

If a compressed air system contains an inline lubricator, the lubricator must be no more than _______ metres from the air tool

If the portable system feeding compressed air to a nailer or stapler does not contain a lubricator, what rule about lubrication should you follow

2-3 drops of air tool oil every 2 hours of operation, unless designed for oil free operation

List the problems to look for when inspecting the air supply hose to a portable power tool

Fraying, kinks, loose fittings, air leaks, dirt in the fittings and corrosion of fittings

Must an air hose to a portable power tool be free of water

Yes

How should you store the hose for a portable air supply system

With the ends connected

What two tool parts must be depressed before a nailer or stapler will set a fastener

Work contacting element and trigger

What protective equipment must you wear when you operate an air powered nailer or a stapler

Eye protection, hearing protection and steel toes

Why is it necessary to use air connectors (not couplers) with an air powered stapler or nailer

A coupling may hold air in the tool keeping it live for an unexpected short

Before you load a nailer, what two things must you be sure to do to the tool

Disconnect the air supply and make sure nailer is set for desired length of nails

How is the depth of drive set

By adjusting the work contacting element up or down

Which stroke does the jigsaw normally cut on (up or down)

Upstroke

What is the purpose of a plastic shoe cover

To protect the workpiece finish from the vibration of the saw

Should the good side of the workpiece be up or down

Down

What is the advantage of an orbital action stroke

More aggressive and quicker cuts

In relation to blades, what does TPI stand for

Teeth per inch

How do you steer a jigsaw when cutting a curve

By moving the rear of the saw in the opposite direction

With a jigsaw, you can make a plunge cut without having to drill a hole first ( T or F)

True

In which direction does the blade of a jigsaw move, in relation to the horizontal saw base

Up and down

In which direction does the blade of a reciprocating saw move, in relation to the saw body

In and out

What is another common term for battery powered tools

Cordless tools

Describe the difference between a battery powered screwdriver and an impact driver

Impact drivers have more torque and speed

What is the clutch system used for on a battery powered drill

To prevent overdriving of screws and to prevent breaking smaller diameter screws

Will overworking a tool damage it

Yes

How is the power of a battery powered tool rated

By battery voltage and amperage

Do battery powered tools have to be grounded

What should be done before changing a blade in a battery powered saw

Remove the battery

Are battery powered tools less dangerous than 120 volt tools

How many watts of electrical energy can a heavy duty generator provide

2 million watts

What type of fuel do light duty generators usually use

Gas

What alternative feuls can be used

LP gas (propane), and natural gas

How many watts of power does a 120 volt 8 amp electric drill require

8 x 120 = 960 watts

Which parts of the generator controls the fuel supply

Fuel valve

What is the roll cage used for

To protect the generator from damage and to provide a carry handle

Which parts of the generator must be turned on to allow the engine to start

Fuel valve and the on/off switch

Why are the DC terminals not insulated

DC current is only 12v

When are the air and fuel filters inspected on generators

When replacing the crankcase oil

What must be done when storing a portable generator for four months

Drain the fuel from the tank and carburetor bowl, store in a dry place

C-2 Flashcards

(81 cards)