Engineering

Which Australian aeronautical innovation is commonly used to record in-flight data?

Which of the following identifies TWO properties of polymers that make them better suited than ceramics for the insulation of telecommunication cables?

Which AND gate shows the correct output for its given inputs?

Using computer-aided drawing (CAD) software a new outline was produced 18.32 mm away from the original outline of an item as shown. Which CAD command can produce this result most efficiently?

The schematic diagram shows a bridge rectifier. What is the function of this bridge rectifier

A box sits on a horizontal surface. The box begins to slip when this surface is tilted to 28 degrees. What is the coefficient of friction between the box and the surface?

The diagram shows the airflow in a venturi. What does the diagram illustrate?

The diagram shows a seesaw being used by two children, one of mass 25 kg and the other of mass 20 kg. It has a corroded pivot mechanism that reduces its efficiency by 25%. What is the mechanical advantage of the seesaw?

Titanium is used to manufacture aircraft undercarriages that support landing wheels. Why is titanium used in preference to alloy steel for this purpose?

A scooter shock absorber is compressed from 120 mm to 90 mm when an average compressive force of 400 N is applied. What is the energy stored in this shock absorber?