Answer Key: Self-Test B-2.2
- b. As the drill breaks through the work
- b. Very hard
- c. The maximum RPM rating
- The manufacturer’s instructions for each type of tool should be followed, since lubrication requirements of air tools are different.
- Inspect air hoses for fraying, kinks, loose fittings and air leaks, and look for dust plugging the fittings.
- When you store an air hose, coil it up and connect the connectors at the ends.
- b. False
- The water trap or separator should be drained on a daily basis when in regular use.
- Air drills can be operated safely in wet areas, a condition that would make the operation of an electric drill hazardous.
- Your answers should include the following: always remove the air hose before making a tool change, never allow anyone to stand in front of the hammer or chisel during operation, and always wear eye and hearing protection.
- a. True
- b. False—the tool uses only fasteners that are designed for it
- About 25 mm (1 in.)
- Into the solid part of the block and at least 75 mm (3 in.) away from the edge of the block
- 5 mm (3⁄16 in.)
- 12 mm (½ in.)
- 50 mm (2 in.)
- Precast concrete containing pre-stressed cables
- Never use a powder-actuated tool on a spalled surface
- Brick, ceramic tile, vitrified tile, glass, asbestos
- a. True (to make sure that it is grounded)
- a. True
- b. Off
- Heat, oil or solvents and sharp objects that can cut the cord
- d. Soapy water
- a. True
- a. True
- c. 5
- d. 13 mm
- c. 75 mm
- a. True
- b. 50 mm
- a. True
