WorksheetsKeyhook
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
What does this symbol mean? Ø
a)
Tangent
b)
circumference
c)
diameter
d)
radius
2.
Why use steel for the hooks and aluminium for the animal shape?
a)
Steel is malleable but will keep it's shape, Aluminium is easy to cut and engrave
b)
Steel is easy to cut and engrave, Aluminum is durable and rigid
c)
Steel does not rust, neither does Aluminium - both are durable
d)
Steel and Aluminium both look great when polished
3.
What would be a relevant test to check how successful your finished keyhook product is?
a)
see if it rusts if left outside in the garden for 2 days
b)
place a coat on one hook to see if it holds the weight
c)
check the screw size before drilling the hole in the wall
d)
from a hook, place and take off a set of keys for a week at home
4.
What is not an example of a "Quality Control check"?
a)
Checking the size of the drill bit before drill a hole in your work
b)
Using cooling oil when drilling
c)
wearing goggles when drilling
d)
clamping the work down when drilling
5.
What is a Try-Square used for?
a)
marking a line at 45 degrees
b)
marking a line at 90 degrees
c)
marking a line at 180 degrees
d)
marking a line parallel to the edge of a piece of work
6.
Why is coolent/cutting oil used when machining metal?
a)
It keeps tools like drill bits cool and stops then from breaking from getting too hot
b)
it keeps the metal clean when it is heated
c)
it polishes the metal
d)
it stops the metal from rusting
7.
Hitting a sheet of metal with a hammer to change its shape is called...
a)
casting
b)
planishing
c)
pop-riveting
d)
galvanizing
8.
What are Odd-Legged Calipers used for?
a)
marking circles onto sheet metal
b)
marking a line parallel to the edge of a piece of work
c)
scratching in decoration details onto the surface of metal
d)
engraving letters
9.
Other than brazing, how else did we join metal parts together?
a)
pop-rivet
b)
welding
c)
soldering
d)
forging
10.
The correct name for hammering metal into shape is called...
a)
patina
b)
work hardening
c)
forging
d)
galvanising
11.
If you hammer or bend a piece of metal too much it will break. This is called...
a)
patina
b)
forging
c)
work hardening
d)
galvanising
12.
What does a M5 Taper Tap do?
a)
cuts thread on the outside of a 5mm diameter rod
b)
cuts a 5mm thread inside a 4.5mm hole
c)
drills a 5mm hole
d)
bends a bar into a hook shape
13.
What thread does a M5 Die and Die-stock cut?
a)
cuts 5mm thread inside a hole
b)
cuts 5mm thread on the outside of a 5mm round metal rod
c)
bends hooks to shape
d)
it snaps pop-rivets to sheet metal
14.
Metals come from rocks called... we dig these out of the ground and smelt them into pure metal
a)
core
b)
ores
c)
oars
d)
bore
15.
"Malleable" means that steel...
a)
is silver in colour
b)
can be brazed
c)
goes red with heat
d)
can be bent easily with a hammer
16.
"Ductile" means that steel...
a)
can be stretched into a wire
b)
is tough
c)
will float
d)
is durable
17.
Annealing means to...
a)
soften a metal by heating it up and letting it cool down slowly
b)
to hammer metal into shape
c)
mix two metals together
d)
join metal together with brass rod
18.
Brazing means...
a)
joining metal together with heat
b)
joining metal together with melted brass rod
c)
to cut thread onto a rod
d)
mix two metals together
19.
Alloys are...
a)
a mixture of two or more melted metals
b)
a mixture of two or more materials
c)
a metal joined together with rivets
d)
a metal that is heated to cherry red.
20.
Ferrous metals are...
a)
new metal made by mixing together two other metals
b)
a metal with iron inside it
c)
a metal without iron inside it
d)
a metal with aluminium mixed into it
21.
Why don't non-ferrous metals, like aluminium, rust?
a)
they don't have iron in
b)
they don't have aluminium ore in
c)
the don't have brass in
d)
the are waterproofed with paint
22.
Tough means...
a)
not easily bent or broken
b)
can withstand rough handling and mechanical wear
c)
it's strong
d)
resists surface scratching and dents
23.
The key word "Hard" mean...
a)
not easily broken or bent
b)
difficult
c)
brittle
d)
strong
24.
If I run a flame over steel and then quench it in water, why would the steel become more difficult to cut, bend and drill?
a)
The heat softens the steel
b)
The heat then cold hardens the steel
c)
The steel melts
d)
The steel becomes an alloy
25.
Steel can be protected by painting it or coating it in zinc. Coating stell in zinc is called...
a)
patina
b)
chrome-plating
c)
galvanising
d)
work-hardening
26.
Left unprotected some metals, like copper, change colour on their surface. This coating is called...
a)
patina
b)
chrome-plating
c)
galvanising
d)
work-hardening
27.
Some metals don't need protecting from water and air, they stay clean. Examples would be...
a)
Ferrous metals
b)
Gold, Silver, Brass
c)
alloys
d)
aluminium
28.
If 1m (one metre) of steel bar costs £2.04 how much would 5cm cost?
a)
Roughly 10p
b)
£2.04
c)
£1.04
d)
Roughly 2p
29.
You have used 4 pop-rivets. If a box of 100 rivets costs £3.10, how much do your 4 rivets cost?
a)
Roughly 12p
b)
Roughly 10p
c)
62p
d)
48p
30.
We have used Drilling Jigs and Bending Jigs. What are jigs?
a)
Bending and drill at 90 degrees
b)
A tool that a whole class can use accurately time and time again. In this case to bend and drill
c)
Students can make the parts of their keyhook the same as other students
d)
Tools like Try Squares that help students work independently
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