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Carpentry Level 1 BC 2022 > C2 - Power Tools > Flashcards

C2 - Power Tools Flashcards

1
Q

The size of a Mitre saw is determined by the diameter of the blade size, which sizes of blade?

A

8” to 12”

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2
Q

A Mitre saw is mostly used for which cuts?

A

Cross cutting, compound mitres, ripping, rabbeting and dadoing plus many more.

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3
Q

Reciprocating saw blades move in which direction?

A

Back and forth

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4
Q

Jigsaw blades move in which direction?

A

Up and down.

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5
Q

What does Pneamatic mean?

A

Compressed air

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6
Q

Name the last kind of Router. There is Standard router, plunger router and

A

Light weight laminate trimmer, used for work with counter tops.

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7
Q

The size of the plane is based on the width of the blade, what is a common width?

A

3.25”

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8
Q

Angler grinders are most often used to do what tasks?

A

Smooth concrete surfaces, to cut off exposed rebar and bolts

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9
Q

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

A

Stationary are stationed in one area, portable tools are mobile.

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10
Q

What is a rotary hammer used for?

A

Drilling concrete and rock

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11
Q

What is a demolition hammer used for?

A

Punching holes into concrete and breaking concrete

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12
Q

True or false: Most powered wrenches are pneumatic?

A

True

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13
Q

What is a BELT sander used for?

A

Shaping and smoothing materials. They are more aggressive sanders and used when sanding lots of material is needed.

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14
Q

Advantages of a Coil Nailer compared to a Strip Nailer?

A

More nails, more compact, shoots round nails, aggressive toe nailing teeth.

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15
Q

Three major causes of injury when operating power tools are:

A

Lack of understanding how the tools workPoor job-planning skillsIncomplete knowledge of safety precautionsInadequate experience of how the tool performs.Unexpected eventsLack of attention

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16
Q

Most common Musculoskeletal Injuries are:

A

Tendinitis, Ganglion cysts, Bursitis, Carpal tunnel syndrome, Soft tissue injury, Thoracic outlet syndrome.

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17
Q

How to reduce vibration injuries?

A

Choose power tools that have anti-vibration controls and or handle coated with a material that suppresses vibration. Wear gloves designed to absorb or decrease vibration.Limit exposure to vibrating tools.

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18
Q

How can you minimize Electrical Hazards at a worksite?

A

1)Keep extension and power cords in good repair. 2)Keep power tools out of the rain. 3) Ensure tools are double-insulated or well grounded. 3) Use a power supply that’s protected by a ground-fault circuit interrupter (GFCI) 4) keep your feet dry when working with electric power tools in the rain.

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19
Q

What does a GFCI doe?

A

It trips the breaker when wet.

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20
Q

What is the purpose of grounding an electrical system?

A

To provide a direct path to the ground for electrical energy to follow if a fault occurs. (Without this, electrical energy could flow through the operator’s feet to the ground.)

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21
Q

How many amps is the maximum current rating for a circuit breaker supplying power to a regular 120-volt outlet.

A

15 AMPS

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22
Q

What is the formula for finding the amount of watts?

A

Volt x Amps = Watts

23
Q

What type of Power tool does not need to be grounded?

A

Double insulated

24
Q

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

A

Brush replacement.

25
Q

Why do you use heavy-gauge wires for extension cords?

A

To provide enough ampage.

26
Q

When cutting a piece of wood with two finished sides, do you score the cut line first?

A

Yes

27
Q

What type of Circular saw blade is the most common?

A

Carbide-tipped blades are the most common blade.

28
Q

Ripping blade have more of a chisel-shaped tooth, True or False

A

True

29
Q

What is a hook angle?

A

A hook angle is the angle formed between a radial line extending to the tip of the tooth and the gullet of the tooth.

30
Q

What is the maximum RPM allowed for a Circular Saw?

A

6000 RPM

31
Q

What is another name for the base plate on a Circular saw?

A

Shoe

32
Q

What should the saw blade depth be set to?

A

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

33
Q

If a saw is vibrating, what do you do?

A

Nothing. Stop using it.

34
Q

Is it safe to cut backward after making a plunge cut?

A

No

35
Q

How is the size of a portable electric drill designated?

A

By the maximum diameter the drill chuck will accept.

36
Q

What type of drill is suitable for use as an electric screw driver?

A

Drills with variance in speed and forward and reverse functions.

37
Q

What is the difference between a hammer drill and a rotary hammer drill?

A

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

38
Q

Screws must be positioned at what angle to the face of the gypsum board?

A

Perpendicular.

39
Q

An air compressor malfunctions from what problem most commonly?

A

Overheating. Prevention includes Regular lubrication, replacement of defective parts, and cleaning the air intake filter.

40
Q

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

A

2 to 3 drops of air tool every 2 hrs of operation, unless oil free design.

41
Q

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

A

Fraying, kinks, leaks, dirt and corrosion in and around fittings.

42
Q

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

A

Both ends being connected.

43
Q

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

A

Work contracting element and element.

44
Q

Before loading an air nailer, what two things must you be sure to do to the tool?

A

Disconnect air supply, ensure there is the correct nails.

45
Q

Which stroke does the jigsaw normally cut on?

A

Upstroke

46
Q

What is the purpose of a plastic shoe cover?

A

Protecting work piece from the vibration?

47
Q

Should the good side of the workpiece be up or down-faced?

A

Down-faced

48
Q

What is the advantage of an orbital action stroke?

A

More aggressive and quicker cuts.

49
Q

how do you steer a jigsaw when cutting a curve?

A

Moving rear of saw opposite direction.

50
Q

What are the advantages of a brushless motor?

A

Friction between the brushes and commutator is eliminated, as is the energy lost to sparking. Brushless tools have more run time and better torque than similar brush-type tools. Mechanical wear is less but electrical system is more complex.

51
Q

What is the clutch system used for a battery-powered drill?

A

Preventing over-driving and breaking smaller diameter screws.

52
Q

Why are DC currents not insulated?

A

There is only 12 volts.

53
Q

When are the air and fuel filters of a portable generator inspected?

A

When replacing crank case oil.

54
Q

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

A

2,000,000

Carpentry Level 1 BC 2022 (31 decks)

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