Flashcards in Unit 2 25th May 2011 Deck (19):
What is a scriber used for?
What is most suitable for joining two pieces of pine together?
Which one of the following is a wasting process?
Turning, Vacuum Forming, Casting, Blow moulding
Which one of the following is an alloy?
Copper, Zinc, Aluminium, Brass
Which one of the following processes is most suitable for producing long lengths of plastic guttering?
Laminating, Extrusion, Casting, Vacuum Forming
Which Statement about plywood is true?
It has an odd number of layers.
Which tool is used for producing lines parallel to an edge?
Which one of the following is a thermosetting plastic?
Acrylic, Polythene, Polyvinyl Chloride, Urea Formaldehyde.
A screw thread is described as M6 x 1.0
What does the M stand for?
Tempering is a heat treatment process. Which one of the following is the purpose of tempering?
B. It removes the brittleness of the metal once hardened.
What does a die do?
It is used for cutting a screw thread.
What is a hacksaw used for?
Cutting straight lines in metal and plastic but not wood.
What is a KD fitting used for?
Joining flat sheets of material together to make furniture.
What is a micrometer used for?
Making very accurate measurements.
A bench has a mild steel frame, give two properties of mild steel that makes it suitable for a frame.
Allow Tough, Ductile, Good tensile strength, Hard, Malleable, fluidity, compressive strength, durable.
Give two reasons for applying a surface finish to a mild steel frame.
Name three finishes that could be applied to the mild steel frame.
Plating, Galvanising, Powder coating.
Explain two advantages of making the frame from mild steel rather than aluminium.
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.