Essay

1.
A torch is shown below.
Knurled finish
(
a
) The torch body is made from aluminium.
State
two
properties of aluminium that makes it a suitable material.
1
2
(
b
) State a functional reason for the knurled finish.
(
c
) The torch body was manufactured using a metal lathe.
State
two
procedures or adjustments that ensure a high quality finish is
achieved when parallel turning metal.
1
2
(
d
) The lathe tool shown below was used in the manufacture of the torch body.
Tool
State the name of this tool.
.
(continued)
(
e
)
The drill shown below was used in the manufacture of the torch body.
(i)
State the name of this drill.
(ii)
State the function of this drill.
(
f
)
The tool shown below was used in the manufacture of the torch body.
0
5
10
15
45
0
5
(i)
State the name of this tool.
(ii)
State a reason why this tool was preferred to
outside callipers
.
During testing it was found that the torch body had a sharp edge.
Sharp edge
(
g
)
State a metal lathe process that would remove this sharp edge.
[Turn over

Originally posted 2016-10-25 09:59:48.

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