390 Ag. Mechanics 2 / Unit 3 Safety

If a welder wants to mark metal so that there will be a scratch or permanent mark, he/she should use:

• a pencil.

• an awl.

• chalk.

• soapstone.

If a board is marked correctly, sawing out the line will make the board:

• too long.

• too wide.

• too short.

• the correct size.

What hammer is used to hit a metal punch to drive objects?

• ball-peen hammer

• ripping hammer

• rawhide mallet

• wood mallet

How can the climber keep from falling off a ladder?

• use the top step to reach higher

• purchase and use a heavy-duty ladder

• read and follow the manufacturer’s safety rules

• place the bottom of the ladder 10 feet from the building

Eric uses oil while cutting threads on a metal rod to:

• hardening the threads.

• softening the threads.

• lubricating the die.

• cleaning the metal.

The minimum number of hacksaw teeth that should be cutting the metal at one time is:

• 1.

• 3.

• 6.

• 8.

When sawing with the hacksaw, one should:

• avoid applying any pressure.

• apply pressure on both strokes.

• apply pressure only on the back stroke.

• apply pressure only on the forward stroke.

To help prevent fires, the welding area should be cleared of:

• metal materials.

• combustible materials.

• noncombustible materials.

• tools and fastening materials.

Using a file without a handle may result in:

• fewer filings.

• a hand injury.

• a sharper file.

• proper file use.

When one uses the electric drill press to drill holes in flat or rectangular steel, the steel should be held in place by using:

• both hands.

• vise-grip pliers.

• a drill-press vise.

• a machinist's vise.