Lisbon Quiz 4

A futuristic cityscape featuring engineering marvels and technical elements, with hints of Lisbon's architecture, highlighting themes of physics and technology.

Lisbon Quiz Challenge

Test your knowledge with our engaging quiz focused on various engineering, physics, and technical concepts related to Lisbon! Challenge yourself and expand your understanding in a fun, interactive way.

Quiz Highlights:

Multiple-choice questions on diverse topics
Assess your understanding of key concepts
Engaging format suitable for all levels

13 Questions3 MinutesCreated by InnovativeEngineer123

The hybrid diferencing scheme used to approximate the steady-state one-dimensional convection-diffusion equation:

Leads to false diffusion whenever the Peclet number is smaller than 2

Is first order accurate in delta x, if the Peclet number is maintained always smaller than 2

Is bounded and produces physically realistic solutions

Is less accurate than the upwind scheme for Peclet numbers greater than 2

Two capacitors are identical. They can be connected in series or in parallel. If you want the smallest equivalent capacitence for the combination, how should you connect them?

In series

In parallel

Either way because both combinations have the same capacitance

A proton is released from rest point A in a uniform electric field that has a magnitude of 10.0 x 10^4 V/m. The proton undergoes a displacement of magnitude d=0.40 m to point B in the direction of E. Find the speed of the proton after completing the displacement.

3,5x10^6 m/s

5,0x10^6 m/s

2,8x10^6 m/S

6,7x10^6 m/s

For thermosets, the welding process may be

Ultrassonic welding

Plastic welding

Molecular material bonding

None of the above

Consider a single mass double spring (in parallel) system. Compared with a single mass single spring system, for the same mass, the same spring constant and the same mass displacement, the force is ___________ and the total elastic potencial energy accumulated is _________.

In a shell and tube heat exchanger the heat exchanged allways increases with the number of flow shell passes.

True

False

Determine the roll rate, for a car assuming his track = 1500 mm, tyre vertical stifness = 200 N/mm, and wheel center rate = 200 N/mm

Your vehicle is presented for technical inspection with a set of tires whose threads are 2.3 mm deep. Is it rules compliant?

Yes

The main difference between (Al) of 7075 over 6075 is its

Carbon content

Zinc content

Silicon content

Wrought forming

While changing from dry to wet tires which amount of time is added to the team’s total time for endurance?

Any time in excess of ten minutes without driver change, or thirteen minutes with driver change is added

No time is added for changing tires if the team is obligated to do it

All the time the team took to change the tires is added

Any time in excess of eleven minutes without driver change, or fourteen minutes with driver change is added

If the weather condition changes to dry, no time is added for changing to wet tires

Your self-developed electronic control module needs 200ms to safely shut down and write back data into nonvolatile memory. How big would the power regulator output capacitance need to be at least to do that in the event of a unexpected shutdown (GLV Master switch turn-off), given that: + The device needs a constant current of 120mA + The regulated voltage is 5V + The CPU will brown-out at 3.8V + There is no reverse-flow back into the supply

Lisbon Quiz 4

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