Engineering Studies flashcards

207 HSC Engineering Studies cards across 5 modules (66 definitions, 72 key facts, 33 fill-the-gap, 36 formulas). Each session gives you 20 cards, due cards first. Swipe right for easy, left for hard, down for again. Keyboard: Space to flip, 1 to 4 to rate.

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Definition
Aircraft electrical and avionics: HSC Engineering Studies Aeronautical Engineering
Define Auxiliary power unit (APU)
A small gas turbine in the tail with its own generator, used on the ground and as a backup in flight.
Definition
Engineering drawing AS1100 orthogonal projection: HSC Engineering Studies Civil Structures
Define Dimension lines
Dimension lines are continuous thin with arrowheads touching projection lines.
Definition
Crane engineering case studies: HSC Engineering Studies Lifting Devices
Define Foundation
A reinforced concrete pad or a free-standing climbing base.
Definition
Brake systems analysis: HSC Engineering Studies Personal and Public Transport
Define Brake pedal
A lever, typically with a 4:1 ratio, that multiplies the driver's foot force.
Definition
Analogue and digital signal encoding: HSC Engineering Studies Telecommunications Engineering
Define Manchester encoding
Each bit period contains a mid-bit transition (0 = low-to-high; 1 = high-to-low, or vice versa). Self-clocking and DC balanced, but doubles the bandwidth requirement. Used in classic 10 Mbps Ethernet.
Definition
Aluminium alloys in airframes: HSC Engineering Studies Aeronautical Engineering
Define Ageing
Ageing (natural at room temperature for T3; artificial at 120 to 175 degrees C for T6) allows fine intermetallic precipitates to form within the grains, raising yield strength by a factor of 3 to 5 above the annealed state.
Definition
Engineers as managers in civil structures: HSC Engineering Studies Civil Structures
Define Feasibility and concept
Site investigation, options assessment, cost and benefit estimation, environmental impact.
Definition
DC and AC motors for lifting: HSC Engineering Studies Lifting Devices
Define Commutator and brushes
Mechanical switch that reverses current direction as the rotor turns, keeping torque always in the same direction.
Definition
Composite materials in vehicles: HSC Engineering Studies Personal and Public Transport
Define Carbon fibre reinforced polymer (CFRP)
Carbon fibres (typically 7 micron diameter, 3500 MPa tensile, 230 GPa modulus) in an epoxy resin matrix. Used in supercar monocoques, F1 chassis, structural panels of premium EVs.
Definition
Communication systems fundamentals: HSC Engineering Studies Telecommunications Engineering
Define Information source
What generates the message (a speaker's voice; a camera; a sensor; a computer).