Trivia
Engineering Knowledge Challenge
Test your engineering and technical knowledge with our immersive quiz designed for enthusiasts and professionals alike. Explore multiple facets of engineering principles, design standards, and problem-solving scenarios.
Join us to enhance your understanding and see how well you can navigate through these challenging questions!
One of the refrigeration hoses is made of Teflon with an ultimate tensile stress of 30MPa, the hose is used attached to a pump that produces a maximum pressure of 10MPa. What should be the ratio of the outer to inner radius of the cylinder, to avoid that the hose breaks in the worst-case scenario?
1.732
2.449
1.333
1.414
1.25
To ensure that the driver is not able to contact any part of the vehicle above 60ºC, the team must:
Only provide conduction insulation by no direct contact, or a heat resistant conduction insulation material with a minimum thickness of 7mm.
Only provide convection insulation by a minimum air gap of 25mm.
Only provide radiation insulation by a solid meat shield with a minimum thickness of 0.1mm or, reflective foil or tape when combined with T3.6.2 (a)(ii).
None of them are true.
Your team uploads the VSV on the 25th of June. Two days after the upload, it receives a “fail” because the TSAL was not clearly visible and the ready-to-drive sound was not audible in the video. You upload a new video which fulfils all the criteria on the 1st of July. How many points will be deducted from the team’s overall score?
28 points
46 points
16 points
22 points
The team will not have a penalty
The team will be deregistered
Alsina is driving his bike on a straight road to ETSEIB at a speed of v. He realises that he might be late for the Electronics exam. In order to arrive there on time, he accelerates his bike at a constant acceleration of a for a distance of L1. Then, for the remaining distance L2, he slows down at a constant retardation of a to just reach the university. Given that the final speed is 0 and that: L2 = L1 x k What is the maximum velocity attained during his travel?
((k + 1)/k)^0.5 * v
(k /(k - 1))^0.5 * v
K /(k - 1) * v
(k – 1)/(k + 1) * v
Which is true?
Teams that are not ready-to-race when their turn arrives for endurance will be allowed to run but are penalized two minutes.
Brake lines are considered as high pressure hydraulic lines.
Only 10 team members may participate in the cost and manufacturing finals in which the top two teams will participate. They will be asked two questions and will have a total of 15 min to prepare and another 15 min for discussion with the judges.
During technical inspection three tags of 104 mm by 33 mm will be mounted on the vehicle using adhesive tape.
With the help of this Goodyear tire graphic, which answer is different from the others (regarding the certainty or falsehood):
The lateral force provided by the tires decreases with the load (vertical force).
The lateral friction coefficient increases with slip angle (up to 3º)
The lateral friction coefficient decreases with load (vertical force)
It also exist a longitudinal friction coefficient
Calculate the area of the skidpad track. (Answer in m^2 without decimals)
708
416
322
594
We are driving through a constant radius turn in the endurance, that defines an angular movement of 135º. If the distance travelled by the the vehicle during this corner is 61m, is this curve rules compliant?
No, it is not rules compliant.
Yes, it is rules compliant
If we want to produce a periodic square wave of 0.5Hz, which oscillates around 0, by using sums of sine waves, we would have to use:
0%
0
0%
0
0%
0
0%
0
Imagine that you are with the CAT11e in a testing day in the Circuit de Catalunya and you want to know the amount of noise the car does. However, there are more cars running in the circuit, so it is not possible to measure the dB directly. Therefore, you measure the noise level with the CAT11e running and without it and the results are: LCARS+CAT11e = 60 dB (Pressió sonora CARS + CAT11e) LCARS = 53 dB (Pressió sonora CARS only) Reference value (Po) = 20*10^-6 Pa Equation: L (dB) = 20*log10(Pi/Po) Calculate the noise level the CAT11e does. Note: To add or substract levels of sound pressure, use the sound pressure root mean square.
57
58
59
60
61
62
During the competition, one of the front hoop bracings has broken, and the team is thinking in repairing it by removing the old tube and welding a new one to the main hoop. The main hoop is inclined 8° inclined rearwards from the vertical and the bracing is placed rearwards from the main hoop and inclined forwards 23°. The team finds a workshop near the competition site where they are able to weld a 28mm – 1in (outer – inner diameter) circular tube.
Yes, this is rules compliant and there will be no problem with the reparation.
This is not rules compliant because the angle between the main hoop and main hoop bracing is less than 30°.
This is not rules compliant because the wall thickness of the main hoop bracing is too low.
This is not rules compliant because the moment of area of the main hoop bracing is too low.
This is not rules compliant because the team is not allowed to do this reparation.
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