Unit 2 25th May 2011

Question 1

What is a scriber used for?

Answer 1

Marking out.

Question 2

What is most suitable for joining two pieces of pine together?

Answer 2

PVA.

Question 3

Which one of the following is a wasting process?

Turning, Vacuum Forming, Casting, Blow moulding

Answer 3

Turning.

Question 4

Which one of the following is an alloy?

Copper, Zinc, Aluminium, Brass

Answer 4

Brass.

Question 5

Which one of the following processes is most suitable for producing long lengths of plastic guttering?
Laminating, Extrusion, Casting, Vacuum Forming

Answer 5

Extrusion.

Question 6

Which Statement about plywood is true?

Answer 6

It has an odd number of layers.

Question 7

Which tool is used for producing lines parallel to an edge?

Answer 7

Marking guage.

Question 8

Which one of the following is a thermosetting plastic?

Acrylic, Polythene, Polyvinyl Chloride, Urea Formaldehyde.

Answer 8

Urea Formaldehyde.

Question 9

A screw thread is described as M6 x 1.0

What does the M stand for?

Answer 9

Metric.

Question 10

Tempering is a heat treatment process. Which one of the following is the purpose of tempering?

Answer 10

B. It removes the brittleness of the metal once hardened.

Question 11

What does a die do?

Answer 11

It is used for cutting a screw thread.

Question 12

What is a hacksaw used for?

Answer 12

Cutting straight lines in metal and plastic but not wood.

Question 13

What is a KD fitting used for?

Answer 13

Joining flat sheets of material together to make furniture.

Question 14

What is a micrometer used for?

Answer 14

Making very accurate measurements.

Question 15

A bench has a mild steel frame, give two properties of mild steel that makes it suitable for a frame.

Answer 15

Allow Tough, Ductile, Good tensile strength, Hard, Malleable, fluidity, compressive strength, durable.

Question 16

Give two reasons for applying a surface finish to a mild steel frame.

Answer 16

Improve appearance.
More durable.
Prevents rust.

Question 17

Name three finishes that could be applied to the mild steel frame.

Answer 17

Plating, Galvanising, Powder coating.

Question 18

Explain two advantages of making the frame from mild steel rather than aluminium.

Answer 18

Mild steel is cheaper than aluminium. More profitable.
Mild steel has a higher compressive strength than aluminium, so can withstand greater weights/forces.
Mild steel is Harder and easier to weld.

Question 19

Describe two effects on the environment of being able to recycle mild steel.

Answer 19

Less materials sent to landfill which means it will not fill up as quickly.
Less mining will be required to find iron ore in order to make new steel which protects the landscape and environment.