Question

1. a thin rule has an advantage over a thick rule when:

a) accuracy is a priority.
b) storage room is a problem.
c) rough shop conditions are experienced.
d) graduations are in 1/16\.

1. a good tool for accurately transferring measurements is a:

a) tape measure.
b) combination square.
c) vernier caliper.
d) set of dividers.

1. a flexible steel rule is an advantage when:

a) measuring long distances.
b) laying out channel iron.
c) finding the centres of circles.
d) measuring on curved surfaces.

1. to check whether or not a surface is at true vertical, you would use a:

a) torpedo level.
b) framing square.
c) protractor head.
d) centre head.

1. what is the recommended length of a wraparound for marking a straight line around a pipe?

a) one complete turn around the pipe
b) one and one half turns around the pipe
c) twice the pipe circumference
d) twice the pipe diameter

1. the size of pliers is determined by the:

a) length of the jaws.
b) overall length of the tool.
c) amount the jaws open.
d) maximum diameter the tool can grip.

1. vise grips have an advantage over pliers when:

a) the tool has to grip round material.
b) a metric wrench is not available.
c) you need to maintain constant pressure.
d) you are working on non - ferrous material.

1. c - clamps are sized according to the:

a) distance the clamp opens.
b) overall length of the clamp.
c) length of the screw thread.
d) clamping screw diameter.

Explanation:

1. A thin rule is more accurate as it can be placed closer to the object being measured.
2. Vernier calipers are known for their high - accuracy in transferring measurements.
3. A flexible steel rule can conform to curved surfaces for measurement.
4. A torpedo level is used to check verticality.
5. One and one - half turns around the pipe provide stability for marking a straight line.
6. The size of pliers is determined by the overall length of the tool.
7. Vise grips can maintain constant pressure.
8. C - clamps are sized according to the distance the clamp opens.

Answer:

1. a) accuracy is a priority.
2. c) vernier caliper.
3. d) measuring on curved surfaces.
4. a) torpedo level.
5. b) one and one half turns around the pipe
6. b) overall length of the tool.
7. c) you need to maintain constant pressure.
8. a) distance the clamp opens.