Chapter 7 Flashcards
What tools and equipment are employers required to supply?
- Hearing protection
- Face shield and goggles
- Rotating laser
- Power tools (chop saw, hammer drill)
- Powder-Actuated tools
- Extension cords
- Ladders, saw horses and scaffold
- Caulking gun, Crimper
- Bead clincher and mallet
- Pop riveter and job box
You should always use _____ tool to do the job?
Correct
What tool causes more injuries then any other tool in construction?
Dull utility knives
What are some of the tools used for demolition work?
- Electric/ cordless screw guns
- Reciprocating Saw/ Sawszal
- Cut-off saw
- Portable circular Saw
- Angle Grinder
How much does a sledge hammer typically weigh?
1 to 3 kg
What are bolt cutters used for cutting?
- Chains and security mesh
- Bolts
- Wire mesh and rod
What are the 4 different types of cutting blades for bolt cutters?
- Angle cut-25 to 35 degrees
- Center cut-between two faces of the blade
- Shear cut-blades inverted like scissors
- Clipper cut-blades flush for flat surfaces
What is he danger of cutting security mesh with the grinder?
Is very toxic
Name some types of lay out tools?
- Straight edge
- Chalk line
- Dry line
- Scribers
- Trammel points
- Squares
- Plumb bob
What do the different chalk lines mean when doing a lay out?
White, Red, Blue, Black
White- Acoustic and T-bar ceilings
Red- Wall partiton lay-out and concrete
Blue- Dry wall, ceilings and elevation lines
Black- Grid lines, very durable and never dry wall
A dry line is simply a length of thin line, it should be no thicker then _________ braided line.
no. 15 braided line
What is a dry line used for?
- To square off the ceiling
- As a guide for cutting and positioning suspension members
- ## To level a small ceiling area
What is a scriber used for?
- To scribe circles and/or arcs about 150 mm (6”) in diameter.
- Marking out irregular shapes
Describe trammel points aka beam compass?
Are metal points that can be attached to a long metal or wooden beam and are used to scribe a circle or arc.
Name 4 types of squares?
- T Square
- Try Square
- Combination Square
- Sliding T-Bevel
How should you test the accuracy of the try square?
Use a straight edge to mark a line at 90 degrees to the straight-hedge. Then turn the square over and place another line on top the first line. Lines should be as one.
What is unique about the combination square?
- Has a sliding head that is moved along a steel blade. The blade is usually 12” long, and the head has both 90 and 45 degrees.
- Can be used as a marking gauge. You can move the pencil as the square is moved along.
What is the T Bevel used for?
For transferring angles in lay out.
What is the angle divider used for on a sliding T Bevel?
Used to divide odd angles equally into two parts. The resulting half angle can be marked to make mitre joints.
Name some leveling and plumbing tools?
- plumb bob
- level
- water level
- laser beacon
It is important that all levels be kept accurate. In a well-constructed project, every horizontal member is ____, and every vertical member is ____.
Level
Plumb
The extension level is 1800mm (6ft) level. It can extend up to ______ or _______.
3000mm (10 ft)
3600mm (12 ft)
What is the extension level used for?
It can be used for short distances to level walls and door openings or to transfer lay out marks from floors to ceilings.
What can be used as alternative to a plumb bob in a windy situation?
Extension level
