Question 1

What is NCEA AS 91062 about?

Accepted Answer

This standard is about understanding how machines work and the basic building blocks that make them do what they do. You need to explain why machines use parts like levers, screws, gears, and bearings, and describe the advantages and disadvantages of different power systems (like pneumatic or hydraulic). It's about understanding the "why" and "how" behind machine design, not just naming parts.

Question 2

What do students need to do for AS 91062?

Accepted Answer

1. Explain the purpose of simple machines: levers, inclined planes, and screws 2. Explain the purpose of mechanical components like gears, bearings, cams, linkages, and chains/belts 3. Describe the advantages and disadvantages of pneumatic (air-powered) and hydraulic (fluid-powered) systems 4. Describe the mechanical advantage a machine provides and what motion it creates 5. For Merit and Excellence: explain HOW and WHY particular components were chosen to achieve the desired mechanical advantage and motion

Question 3

What's the difference between Achieved, Merit, and Excellence for AS 91062?

Accepted Answer

Achieved: You can explain the purpose of levers, screws, inclined planes, and mechanical components; compare pneumatic vs hydraulic systems; and describe what mechanical advantage and motion a machine provides. Merit: You can explain HOW a machine actually provides its mechanical advantage and motion by linking the components together—not just what it does, but the mechanism behind it. Excellence: You can discuss WHY specific levers, screws, inclined planes, and mechanical components were selected for a particular machine to achieve its mechanical advantage and motion—you understand the design decisions.

Question 4

What mistakes do students typically make in AS 91062?

Accepted Answer

1. Naming mechanical components without explaining their purpose or how they work in the machine 2. Describing what a machine does without explaining the mechanical advantage it provides or how the components create that advantage 3. Not discussing why pneumatic or hydraulic systems were chosen—just listing pros and cons without linking it to the specific machine

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Next year — Technology - Construction and Mechanical Technologies Level 2 · Year 12