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The flashcards below were created by user
heeres
on FreezingBlue Flashcards.
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what simple thing can help eliminate many safety concerns, but cannot be included in a list of rules?
common sense
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what are the risks of using under sizes or poorly maintained extension cords?
can be a fire hazard or cause tools to burn out
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as the length of an extension cord increases, what type of cord should you use?
a heavier gauge wire to reduce resistance
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what type of cord should be used for construction?
should be a grounded three wire
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the blade guard on the portable circular saw should be raised manually only when doing what type of cuts?
plunge or pocket cut
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how far should the saw blade project through the material when the base of the portable circular saw is adjusted properly?
1/4" or 6mm
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why should you never back up with a portable circular saw while it is running?
because of kickback
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why should you always use the correct size blade on a power mitre saw?
to small won't cut through the material and to big will cut into base of the saw destroying it
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which common safety issues do people often ignore when using a power mitre saw?
never cross your arms
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what is available to help you cut long material with the mitre box saw?
extension table or arm
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what advantage does a sliding compound mitre saw have over a regular compound mitre saw?
capable of much wider cuts
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what could you use with a jigsaw to keep the top surface from chipping as you cut?
use down cut blades
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what are some of the hand tools the reciprocating saw has replaced?
hack saw keyhole saw and handsaws
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what must you be aware of when cutting with the long blades of a reciprocating saw?
you can cut important things in the wall eg. wire/ piping
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name three types of methods used to adjust the cutting depth with a router base
- 1. rack and pinion
- 2. helical
- 3. plunge
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explain how a colllet type chuck works for a router
has split tapered sleeves that hold the bit as the bit is forced into the tapered sleeve it tightens on the bits shaft
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what happens to the material if the router is moved to slowly while cutting?
it will burn
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what is the proper direction of travel when cutting with a router around the inside of an opening? around the outside of a project?
clockwise for inside, counter clockwise for outside
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if the material being cut with the router tends to splinter , what can you do?
several light cuts and reverse the feed direction for the last pass
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guide bushings for the router are useless by themselves. what are they used with
templates
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what templates do carpenters commonly use with routers?
routing stairs stringers and hinge and striker plates in a door
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in what direction should you feed the material when using the router in a router table?
against the rotation of the router which is usually counter clockwise being upside down right to left
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what type of cutter heads are available for portable power planers?
spiral or two blade
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how is the size of a portable power drill designated?
the capacity of the chuck
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what are the 3 types of chucks available for light duty portable power drills?
- 1. 6mm 1/4"
- 2. 9mm 3/8"
- 3. 12mm 1/2"
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what type of portable power drill would you choose to drill in a spot with limited space?
right angle drill
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why is a masonry drill bit able to drill into hard materials without damaging the bit?
they have a carbide tip which can handle the extra abuse
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other than drilling, what can some hammer drills be used for?
jack hammer, chiselling, grooving, and roughing concrete surfaces
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what 2 things set a screw gun apart from a drill?
- 1. magnetic bit holder covered by a sleeve
- 2. adjustable clutch mechanism that disengages drive mechanism
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what specialized screw gun would you choose of you were fastening a lot of sub floor sheathing?
collated auto feed screwdriver
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how can you adjust the depth of cut for different size biscuits when using the biscuit joiner?
spring loaded motor body has preset stops
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what sander would you choose for shaping large contours or removing material quickly?
belt sander
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what will the belt sander do if you let it sand in one place too long?
it will create a depression
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how do you know which direction the belt is supposed to travel when you install it?
the arrows
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how can you tell if you have the belt tracking adjust properly on the belt sander?
the belt will run in the centre of the platen without drifting
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what are the different sanding motions provided by finishing sanders?
oscillating, orbital, random orbital
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on the job site, what types of materials can be cut with a portable cut off saw?
tubing, conduit, angle iron, sheet and corrigated metal, concrete, masonry block, brick , rebar, wwm wire metal mesh
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how long will the batteries for cordless tools last?
they have a limited amount of cycles
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list 4 guidelines to follow to extend the life of the batteries for your cordless tools.
- 1. charge batteries fully
- 2. drain batteries fully
- 3. choose a tool with enough power to to the intended task
- 4. do not subject to extreme temperature or abuse
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when using cordless, battery operated nailers, what 2 common methods are used to drive nails?
- 1. an electric solenoid
- 2. onboard compressor
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if an extension cord is specified in watts instead of amps what can you do?
divide the number of watts by the voltage (normally 110) to determine the amps
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what goes up the longer the extension cord?
resistance goes up
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what is the typical cord colour for extension cords?
- red or black for positive
- white for neutral
- green for ground
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