8 engineering trivia questions, from easy to hard. Tap a question to see the answer. They're real questions from Rubicon, where you type the answer yourself and an AI judge reads what you meant.
This set covers Engines & Motors, History of Technology & Engineering, Hydraulics & Pneumatics, Machine Elements & Mechanisms, Precision Mechanisms & Timekeeping, Robotics & Automation, Thermodynamics & Heat Transfer and Vibration, Acoustics & Control Systems.
James Watt defined one horsepower as lifting thirty-three thousand foot-pounds of work every minute.
Roman concrete contained volcanic ash, which reacted with moisture to seal small cracks over time.
Drawn-in outdoor air contains humidity that condenses into liquid droplets when compressed and cooled.
It stores rotational kinetic energy during power strokes and releases it to keep the shaft turning during idle strokes.
It converted continuous falling weight power into regular, ticking pulses, preventing the gears from spinning out of control.
It tracks hand movements at a separate console and replicates them in real time using miniature robotic instruments.
Converting disordered thermal energy into ordered mechanical work would decrease total disorder, violating entropy laws.
Sound bounces repeatedly between narrow wedge channels, forcing air through tiny foam pores where friction dissipates acoustic energy as heat.
Reading the answer is the easy part. Here are three more engineering questions, with no options to pick from. You type what you know, and the judge marks what you meant, typos and all.
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