Keyhook

What does this symbol mean? Ø

• Tangent
• circumference
• diameter
• radius

Why use steel for the hooks and aluminium for the animal shape?

• Steel is malleable but will keep it's shape, Aluminium is easy to cut and engrave
• Steel is easy to cut and engrave, Aluminum is durable and rigid
• Steel does not rust, neither does Aluminium - both are durable
• Steel and Aluminium both look great when polished

What would be a relevant test to check how successful your finished keyhook product is?

• see if it rusts if left outside in the garden for 2 days
• place a coat on one hook to see if it holds the weight
• check the screw size before drilling the hole in the wall
• from a hook, place and take off a set of keys for a week at home

What is not an example of a "Quality Control check"?

• Checking the size of the drill bit before drill a hole in your work
• Using cooling oil when drilling
• wearing goggles when drilling
• clamping the work down when drilling

What is a Try-Square used for?

• marking a line at 45 degrees
• marking a line at 90 degrees
• marking a line at 180 degrees
• marking a line parallel to the edge of a piece of work

Why is coolent/cutting oil used when machining metal?

• It keeps tools like drill bits cool and stops then from breaking from getting too hot
• it keeps the metal clean when it is heated
• it polishes the metal
• it stops the metal from rusting

Hitting a sheet of metal with a hammer to change its shape is called...

• casting
• planishing
• pop-riveting
• galvanizing

What are Odd-Legged Calipers used for?

• marking circles onto sheet metal
• marking a line parallel to the edge of a piece of work
• scratching in decoration details onto the surface of metal
• engraving letters

Other than brazing, how else did we join metal parts together?

• pop-rivet
• welding
• soldering
• forging

The correct name for hammering metal into shape is called...

• patina
• work hardening
• forging
• galvanising