smc-3721-40-AS 1100

ENGINEERING, PPT 2023 HSC 27b

A portion of a roller coaster wheel sub-assembly is shown.

An exploded pictorial of the wheel sub-assembly is shown.

Complete an assembled sectioned front view of the wheel sub-assembly at scale 1: 2. Apply AS 1100 drawing standards. Do NOT add dimensions. (6 marks)

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♦ Mean mark 49%.

ENGINEERING, PPT 2017 HSC 19 MC

An engineering component is required to have the following features:

30 mm spotface
10 mm counterbore, 8 deep
6 mm through.

Which of the following shows the correct dimensioning?

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`A`

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→ The vertical arrow represents how deep the counterbore should be, which is 8mm (given in question), therefore the answer is A or C.

→ However C does not have the correct symbol for counterbore, instead just stating 2 diameters next to each other.

`=>A`

ENGINEERING, PPT 2017 HSC 4 MC

Specifications for a Ø10 steel bar require it to have a tolerance of `pm`0.05 mm.

What is the permitted range of diameters for this bar?

9.90`-`10.00 mm
9.95`-`10.00 mm
9.95`-`10.05 mm
10.00`-`10.05 mm

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`C`

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Upper limit = 10.00 + 0.05 = 10.05 mm

Lower limit = 10.00 – 0.05 = 9.95 mm

`=>C`

ENGINEERING, CS 2016 HSC 23a

This diagram shows the cross-section of a highway pavement drawn using AS 1100 drawing standards.

Explain the benefits of using AS 1100 drawing standards in the preparation of engineering drawings such as the one above. (3 marks)

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Benefits of using AS 1100 standards

→ Communication between manufacturers and designers is of higher quality, more accurate and involves fewer ambiguities.

→ AS 1100 is based on international standards so drawings can be easily shared between countries.

→ One project can be assigned multiple designers.

→ Cost effective as interpretation errors are minimised.

Show Worked Solution

Benefits of using AS 1100 standards

→ Communication between manufacturers and designers is of higher quality, more accurate and involves fewer ambiguities.

→ AS 1100 is based on international standards so drawings can be easily shared between countries.

→ One project can be assigned multiple designers.

→ Cost effective as interpretation errors are minimised.

ENGINEERING, PPT 2018 HSC 4 MC

A line specified in AS 1100 is shown.

Which feature is this line typically used to indicate?

Centre-line
Cutting plane
Hidden feature
Fictitious outline

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`B`

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→ Although similar to a centre line, cutting planes can be identified by the thick dark ends.

`=>B`

♦♦♦ Mean mark 21%.

ENGINEERING, CS 2019 HSC 4 MC

A general purpose bolt drawn to AS 1100 drawing standards is shown.

What is the diameter of the bolt?

8.75 mm
10.00 mm
14.00 mm
18.00 mm

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`B`

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→ The width of the head of a bolt is 0.7 × the diameter, therefore the diameter is 10 mm.

`=>B`

♦ Mean mark 50%.

ENGINEERING, PPT 2021 HSC 4 MC

Which engineering drawing shows a bracket correctly dimensioned to AS 1100 drawing standards?

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`D`

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By elimination:

→ Arrowheads are used for measurements instead of crosses (eliminate `A` and `C`).

→ In `B` the radius symbol points to the arrow marking diameter (eliminate `B`).

`=>D`