Portable / Stationary Power Tools Flashcards

1
Q

What kind of plugs do corded tools have to have?

A

Three - prong plug.

One of the prong is a ground pin

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2
Q

How many prongs do Double - insulated tools have?

A

They may only have two prongs.

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3
Q

Portable Circ saws: How is saw size identified?

A

By the Diameter of the blade

Increase in diameter = increase of motor power

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4
Q

Portable Circ Saw: The depth of a saw cut can be controlled how?

A

Raising or lowering the base.

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5
Q

Portable Circ Saws: What are crosscut blades used for?

A

Crosscutting (perpendicular or against the grain)

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6
Q

What are ripsaw blades used for?

A

Ripping (parallel or with the grain)

(Ripping with the grain in a parallel)

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7
Q

What are Rip blades used for?

A

To cut solid lumber along the length of the stock

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8
Q

What are Crosscut blades used for? (3 points)

A

Knife-like teeth
Makes a smooth, chip-free cut across the grain of solid lumber.
Ideal for cutting plywood (regardless of direction of cut)

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9
Q

What type of blade is used to cut Non-ferrous metals?

A

Metal - cutting circulating blades

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10
Q

What type of blades cut Ferrous metals?

A

Abrasive disk blade

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11
Q

True or False: The abrasive blade must be MATCHED or HIGHER than the RPM of the saw + hardness of the steel being cut.

A

TRUE BITCH

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12
Q

True or False: It’s best to check to make sure you have the correct type of blade.

A

True

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13
Q

What type of blade is brazed onto a standard - sized metal disk?

A

Carbide tips (they are very hard and brittle)

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14
Q

What is this tool?

A

A Sabre Saw (aka Jigsaw)

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15
Q

What type of mitre saw is used to cut sections of lightweight material to length?

A

A Power cut - off saw (aka Chop Saw)

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16
Q

True or False: The Abrasive cut-off wheel has a max speed (in RPM) that has to be greater than the speed of the motor.

A

True.

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17
Q

What is designed by the thickness of stock you’re able to cut with it?
- Portable band saw

A

Metal - cutting band saw sizes

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18
Q

What does a chuck key provide?

Chuck key = special wrench

A

Provides a finial tightening

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19
Q

What is a variable speed switch?

A

They provide control over the chuck speed in relation to the travel of the control switch aka the trigger.

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20
Q

What are hand drill sizes based on?

A

Based on the size of their chuck ;)

1/4, 3/8, 1/2

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21
Q

What part of the drill bit fits into the chuck?

A

The shank

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22
Q

Is a size #1 the biggest or smallest drill bit?

A
#1 = the biggest (less than 1/4 in diameter)
#80 = smallest
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23
Q

What is this tool?

A

Spade bit

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24
Q

What is the hammer feature used on?

A

Stone and ceramic tile

Tile needs to be grouted / installed in order for the hammer to be used on it

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25
How does a Pipe Saddle Drill work?
The drill motor is centred on the convex pipe surface with adjustable straps + tensioning ratchets.
26
After using a Extracted - Tee Drill to drill + form the branch outlet what must be done?
Extracted outlet must be BRAZED dt shallow material. | Brazed outlet forms a strong formation.
27
What does the coring machine do?
Creates long, deep holes (vertical or horizontal) used for concrete.
28
Where can you find the markings on a grinding wheel?
On the side of the blade
29
Portable power drives: What is the max pipe capacity?
2 inch pipe with a drop head threader
30
The portable power drive is a heavy duty cutter that can provide square cuts up to what?
12 inches
31
PEX: what is one method of joining the tubing?
By expansion of the tube and a special PEX ring (due to its memory capability)
32
Fusion = a heat process that is used to join two pieces of thermoplastic pipe. What does Thermoplastic mean? -Pipe Fusion Tool
It is pipe that is capable of being re-melted / re-molded.
33
How does the end of an auger wire work? (2 ways) | -Power Drain Cleaning Tools
1) auger's wire digs itself into the obstruction (like a corkscrew) 2) Claw that pulls a sample out to see what you're dealing with.
34
Drum Machines: How are these guys safer to use in flooded conditions?
They have a pneumatic foot switch to eliminate shock hazards.
35
True or False: Water Jetters clean and clear blockages
True
36
True or False: Only static water can be frozen.
True | - Cannot freeze water with flow
37
What should never be in air lines? | -Compressed Air supply
Moisture. - Can damage tools + interfere with performance - Water in lines can dilute / wash away lubricants + can corrode internal parts.
38
True or False: Compressed air must contain a lubricant to keep moving parts moving freely.
True: A lubricator (attached bn the regulator + tool) supplies the lubricant in the form of a fine mist.
39
True or False: Hoses are available in a variety of pressure rating + colours.
True | -Must have the right hose for intended pressure use.
40
Can any socket be used for an impact wrench?
No, only use impact sockets with impact wrenches. | - Do not use conventional sockets. they can fracture, fly apart + cause injury.
41
In what environmental conditions should pneumatic / air drills be used?
Wet / damp conditions
42
What do Power - Actuated tools do?
They are designed for driving fastening devices into steel or concrete.
43
What does, Great Big Gators Yell Really Proud, mean?
``` They are the Cartridge Colour Code Great --> Grey (Weakest) Big --> Brown Gators --> Green Yell --> Yellow Really --> Red Proud --> Purple (Strongest) ```
44
What type / which part of Fasteners are fired into concrete? Smooth/ Rough?
Shank end and it is smooth
45
What controls the depth of cut of a portable circular saw?
Raising or lowering the base
46
The carbide metal used for carbide - tipped saws is hard and....
Very Brittle
47
Which twist drill is the largest? (#1 or #80?)
#1
48
What must you do before cutting into a wall, floor or ceiling?
Make sure that there is no live wiring behind it.
49
When working outside, in damp conditions, using portable electrical equipment, what type of plug must be used?
Ground Fault Circuit Interrupter (GFI)
50
How much do you adjust the cut thickness when using a circ saw?
1/8 in (3mm) --> 1/4 (6mm) in (this is added on to the measurement needed so that the cut is nice)
51
True or False: a face shield + eye protection must be worn when using a chop saw?
True
52
True or False: The side of a abrasive cutting blade can be used for grinding purposes
False. It should never be used for that
53
Portable Electric Drills: What can happen if a bit jams?
Force is transferred to you causing bodily harm. | The risk of jamming increases with diameter of drill bit
54
A twist drill has what kind of degree?
59 degree to the axis of the drill bit
55
What is a beehive spring?
A tool retainer for an air hammer
56
Air hammer and chisel: What does a retainer do?
They hold the bit to the tool
57
What 3 safety rules should be followed when using air hammers / chisels?
1) Ear / eye protection 2) Point tool away from self / anyone else 3) Disconnect air hose when changing toll end
58
How can you test concrete to see if it has an adequate rating for a power-actuated fastener?
by testing it's strength by using a fastener as a centre punch. Strike fastener against concrete, if no mark left = cement is too hard
59
When fastening into concrete, how thick does the concrete need to be?
no less than 3 in (75mm)
60
What is the min. amount of thickness does steel need to be to use fasteners?
At least 5mm (3/16 in)
61
How far does a fastening pin need to be from a weld or torch cut?
2in (50mm)
62
How far away does a fastening pin need to be from the edge of steel? / what is the penetration needed?
1/2in (12mm)
63
The preferred abrasive cutting speed of a grinding wheel is at or just below what rate?
The max RPM rating
64
What safety factors often dictate the use of pneumatic drill instead of an electric drill?
Flammable, combustibles aka explosive atmosphere
65
Some saws are equipped with what to that helps cool / lubes the saw blade?
A mist spray cooling system
66
What does an adjustable counterweight do?
Regulates the amount of cutting pressure
67
Band saws are designed to what after the work piece is cut?
Shut off
68
To prevent heat buildup during a heavy cut what can be done?
reduce the the speed of the saw blade.
69
The space bn the front edge of a stationary grinder wheel and tool rest is what?
No more than 1/8 in (3mm)
70
To prevent overheating the work piece, what are some band saws equipped with?
Mist spray
71
When a metal - cutting band saw has cut through the workpiece it will do what?
Automatically shut off