Question

self - test

1. it is dangerous to use chisels that have:

a) hard points.
b) mushroomed heads.
c) small cutting points.
d) rough cutting edges.

1. a cold chisel that has a mushroomed head can be reclaimed by:

a) regrinding to the recommended included angle.
b) grinding to the original shaft contour.
c) re - tempering the mushroomed head.
d) filing the head to a ball shape.

1. why should file handles be on files?

a) they reduce the risk of injury.
b) they protect the tang from damage.
c) they are available in a variety of attractive colours.
d) they protect the cutting edges on the face.

1. a split hammer handle is best repaired by:

a) removing and replacing it.
b) binding it with nylon string.
c) wrapping with copper wire.
d) taping it with electrical tape.

1. the safest way to use a wrench is to:

a) pull on it with steady pressure.
b) push it away from your body.
c) tap on it to get it started.
d) put a pipe handle on it for extra leverage.

1. what is the purpose of a wedge when replacing a hammer handle?
2. a combination square consists of:

a) a square head.
b) a protractor.
c) a centre - head.
d) all of the above.

1. the most versatile type of square is the:

a) carpenters square.
b) sliding - t bevel square.
c) combination square.
d) try square.

Explanation:

1. Chisels with mushroomed heads can shatter and cause injury, making them dangerous.
2. Grinding a mushroomed chisel head to the original shaft contour can reclaim it.
3. File handles reduce the risk of injury by providing a better grip and preventing the tang from piercing the user.
4. A split hammer handle is best replaced to ensure safety and proper function.
5. Pushing a wrench away from your body is the safest way to use it to avoid injury if it slips.
6. A wedge is used to secure the hammer handle in place when replacing it.
7. A combination - square consists of a square head, a protractor, and a centre - head.
8. The combination square is the most versatile as it can perform multiple functions.

Answer:

1. b) mushroomed heads.
2. b) grinding to the original shaft contour.
3. a) They reduce the risk of injury.
4. a) removing and replacing it.
5. b) push it away from your body.
6. To secure the hammer handle in place.
7. d) all of the above.
8. c) combination square.