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(483) Technical Subjects - Metalwork, Ordinary Grade - (First Paper) - Tools, materials and processes

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(483) Technical Subjects - Metalwork, Ordinary Grade - (First Paper) - Tools, materials and processes
1963
SCOTTISH CERTIFICATE OF EDUCATION
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TECHKI1CAL SUBJECTS
Metalwork
Ordinary Grade—(First Paper)
TOOLS, MATERIALS AND PROCESSES
Thursday, 23rd May—1.30 p.m. to 2.45 p.m.
Answer any FIVE questions.
Answers may be set down in tabulated form.
Marks may be deducted for bad spelling and bad
punctuation, and for writing that is difficult to read.
Sketches may be used to illustrate your answers.
20 marks are assigned to each question.
I Describe briefly three characteristics of each of two non-ferrous metals commonly
used in the workshop.
In each case give two examples of work for which the metal is suitable.
^ M Explain briefly a function of a flux when soft soldering.
(4) How would you re-tin a soldering iron ? (Tabulate the steps.)
'CJ Wliy is over-heating of a soldering iron to be avoided ?
(d) How would you recognise when the iron is ready to use ?
1 ExPlain four of the following terms:—
Jailstock, compound slide, tool post, headstock, tumbler gears, chuck, combination
drill, knurling tool.
Indicate two safety measures to be observed in each of the following:—
W using a drilling machine;
) grinding a lathe tool;
goring heated metal on an anvil;
(“)turning metal on a lathe.
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