Probequiz Ecurie Aix
Probequiz Ecurie Aix
Welcome to the Probequiz Ecurie Aix! Test your knowledge on automotive engineering, physics, and cutting-edge technologies. Whether you're a student, a professional, or just a car enthusiast, this quiz will challenge your understanding and offer insights into the world of automotive design.
- 12 engaging multiple-choice questions
- Topics covering electronics, mechanics, and regulations
- Perfect for sharpening your skills and knowledge
In the following task, an automotive headlight shall be discussed. It consists of a matrix of 9 identical white LEDs and a control circuit according to figure 1. The resistors are set to R1 = 820 Ohm and R2 = 240 Ohm, the forward voltage of the diodes D1 und D2 can be estimated with UF = 0.7 V. The LEDs D3 to D11 are characterized in table 1, the transistor T1 electrical data can be obtained from table 2. All components are ideal. The circuit will be supplied by a car lead acid battery, thus U_BAT = 12.0 V. Determine the current flowing through the diode D1. Please consider the following values for the transistor: Current gain B = 625; Base emitter voltage U_BE= 0.7V. The table shows the characteristics of the LEDs.
1.8 mA
1125 mA
8.2 mA
10 mA
2.8 mA
60° tilt angle correspond to 1,7 G’s lateral acceleration. What tilt angle corresponds to 20,6 m/s² longitudinal acceleration?
76,1°
64,5°
76,2°
64,6°
Due to a misjudgement of the Official your car stands 1,5 meters in front of the timekeeping line for your acceleration run. The acceleration course is on a hill with 35,5% rise. After starting the run your electric system fails at t=2,94s of your measured time. What is the speed at the finish line, if your driver does not break and you disregard friction, drag and other influences except of the gravity (Your car is capable of accelerating constant with 1,37g on a straight slope)?
26,23 m/s
33,95 m/s
29,87 m/s
35,36 m/s
44,89 m/s
39,01 m/s
What is the cost of cutting 1m through Carbon Fiber with scissors, according to the CBOM?
0,5 EUR
1,10 EUR
2 USD
0,73 USD
Depends on the price of the scissors
Cost does not have to be included
Depends on how long it takes
What is your Skid Pad Score, if the average of the left and the right timed laps on your best run including penalties is 5,4sec and the best time is 4,57 sec? Please consider the EV/CV formula.
22
34
35
40
47
19
37
27
29
Order the following phrases: (A) Driver B will proceed directly to the EV data download area where the data will be downloaded and the energy that was used will be calculated (B) Driver A will drive for 11 km (C) Once stopped in the driver change area, Driver A will turn off the engine for IC vehicles or turn off the tractive system for EVs. (D) Driver B will drive for 11 km and elapsed time will stop when the car completes the total 22 km (E) Driver A will exit the vehicle and any necessary adjustments will be made to the vehicle to fit Driver B
ABCDE
ADBCE
DBACE
EDCBA
AEBCD
CBADE
BCEDA
BCADE
CDABE
The actual speed of your vehicle is measured by a sensor. Its measuring range is 0 to 300 km/h with a resolution of 1 km/h. The following messages must be sent every 20ms: Brake demand value, brake actual value, speed demand value and the speed acutal value. They all have the same bits number. How heavy is the CAN bus load, if these four messages are sent with a data rate of 50 kBit/s?
22,5%
25%
25,2%
52,5%
34,8%
12,6%
Choose the incorrect answer.
Running under low visibility conditions is considered a unsafe testing environment
Fire resistant underwear is not part of the driver equiment
Loctite do not meet the positive locking requirements
Covers over suspension and steering components must be removable to allow inspection of the mounting points
You are allowed to have aerodynamic devices higher than 500mm...
...in between the inboard planes of the rear tires, rearward of a vertical plane through the head restraint support set to its maximum rearward position and not more rearward than 250mm behind the rearmost part of the rear tires.
...in between the inboard planes of the front tires, rearward of a vertical plane through the head restraint support set to its maximum rearward position and not more rearward than 250mm behind the rearmost part of the rear tires.
...in between the inboard planes of the rear tires, rearward of a vertical plane through the head restraint support set to its maximum forward position and not more rearward than 250mm behind the rearmost part of the rear tires.
...in between the inboard planes of the rear tires, rearward of a vertical plane through the head restraint support set to its maximum rearward position and not more rearward than 250mm behind the foremost part of the rear tires.
Theoretical: Caused by some strange circumstances, the technical leaders installed all aerodynamic devices the wrong way around on the 150 kg weighted car. This car configuration gains a cL of 0,1234 referring to 1m^2 and 20 degrees C. Whereas its friction coefficient (wheels) is estimated to be 0,015 and the aerodynamic effectiveness is about 2,5. What is the maximum magnitude of speed (rounded to 50kph)?
50 kph
100 kph
150 kph
200 kph
Assuming you draw 83kW over 300ms but less than 80kW average over 500ms from the battery during a dynamic event. What will happen?
Your will be disqualified for the complete dynamic event, this violation occured in.
Nothing will happen.
You will be disqualified for all dynamic events.
You have to explain why this happend to the scrutineers. Then they will decide what will happen.
A framework, consisting of to rods, which have the length „l“ is being stressed by a force „F“. Calculate the movement of „A“ with the given information: „alpha“ = 30°, EA = const.
2*F*l/(1.5*E*A)
F*l/(E*A)
4*F*l/(6*E*A)
F*l/(2*E*A)
E*A/F*l
1.33*E*A/(F*l)
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