Quiz Preparation

1. Which of the following statements about the dynamic disciplines is correct?

2. What is allowed regarding telemetry during a run?

3. What are not the diameter of the skidpad circles? (Multiple choice)

4. What happens if a driver completes more than two runs in a discipline?

5. What is the maximum amount of points a EV team can recieve at an event?

6. During the BPP, who is allowed to answer questions from the judges?

7. What is the minimum tread depth of the rain tires?

8. Which of these is/are not a penalty during autocross? (Multiple choice)

9. What is the minimum height of the university name and the car number added together?

10. What is the diameter of the inside skidpad circle?

1. Which system is the content of CCBOM in 2026?

2. What is the minimum height of the university name on both sides of the car?

3. In which currency must the costs be displayed in the CBOM?

4. What is the minimum number of points a team recieves for finishing an acceleration run?

5. What is the minimum diameter of the shutdown button in the cockpit?

6. To build your race car you need a part what can be bought on the public market for 250 EUR per piece. Your plan is to sell 1000 race cars the next five years. If you will manufacture the part by yourself, you need an investment of 400.000 EUR for the installation. Furthermore, you need to pay 20.000 EUR per year for the machine operator. The material costs are 50 EUR per piece. The machine cannot be sold after the usage. What is the cost of one piece of the own manufactured parts? Give answer as one whole number

7. Which of the following statements are wrong? (Multipel Choice)

8. Which statements are correct? (multiple choice)

9. The team at an event with the highest points in the Buisness Plan Presentation but not reaching the finals has 67 points. Your team received 29 points but the topic of your team’s BPP didn’t meet the requirements defined in the rules. What is your Business Plan Presentation Score? Round to one decimal place

10. For the rain test: (Multiple Choice)

11. Teams who remove their vehicle from the event site after
the event has begun will be disqualified from the event.

12. An EV team without driverless components have 9 parts of scrutineering to pass before being allowed to compete on track.

13. What is the maximum length of time allowed for the driver change in endurance, in order to recieve no penatly?

14. What is not a ’system‘ in the Cost Reports Bill of Material?

15. Which of these is/are not a penalty during autocross? (Multiple choice)

16. What does the yellow flag mean during the driving disciplines?

17.

The Electrical System Officer must: (Multiple Choice)

18. What is the diameter of the inside skidpad circle?

19. Each team must have two 0.8kg fire extinguishers.

20. Your team completes their best autocross run in 84.9 secs and that was the fastest overall time. How many points did your team recieve for autocross? Round to one decimal place.

1. Three inductors are connected as shown in the following figure:

Given that L1 = 2L2, find L1 and L2 such that the equivalence inductance is L = 0.7 H.
Give your answers in Henry, rounded to three decimal places separated by a comma (L1, L2)

2. Which of the following statements about the Tractive System Accumulator are wrong? (Multiple choice)

3. Which of the following statements regarding the Brake System is false?

4. A thin circular, isolated wire made of copper with radius R lies on a table with its ends
connected to a Volt meter. Another, straight wire lies exactly along a diameter of the
circular wire, connected to an alternate current source i(t) = I0 sin(wt).
The experimental setup is shown in the following Figure:

Which effective voltage Ueff does the Volt meter display?
R = 10 cm, maximum current I0 = 1 A, f = 50 Hz.
Give your answer in Volts with three decimal places

5. You want to drive with a Lithium Polymer Cell with 3.2 Ah and weighing 70 g. Which of the following configurations would be allowed by the rules? Hint: Unorm = 3.7 V, Umax = 4.2 V

6. Which of the following statements is false regarding the difference between Lead-based batteries, Nickel-based batteries and Lithium-based batteries?

7. Your BSPD has been triggered although the driver did not touch the driving pedal. What could have gone wrong? (multiple choice)

8. You have an electric car with these specifications:

• ten 12V batteries
• constant velocity of 80 km/h
• flat road (friction 1.2kN -> aerodynamic load included)
• load for battery 160 Ah
• efficiency of 80% (Motor)

How far can you drive with one load? Give answer to nearest whol number in km.

9. Your team is considering two languages, Verilog and VHDL, for programming an FPGA. Which languages could be used?

10. Your head of powertrain has found a battery cell with excellent specifications and yet cheap. He decides upon a 142s2p accumulator configuration using the cells with a capacity of 5.8 Ah. The manufacturer specifies an internal impedance of 1.5 mOhm. However, after a while you notice the cells are of horrible quality and their real capacity varies significantly leading to an unbalanced accumulator.

He performed experiements to find an approximation of the cells SoC relation to their open-circuit voltage (EMF) as shown in the following figure:

Assume due to imbalance, exactly half of the accumulators cells are at 40% SoC and half at 80% SoC. What current will be drawn at the maximum allowed power usage? Give answer in Amps to nearest whole number

1. Answer in MJ, round to one decimal number (example 45.7), no unit in the answer

2. An object is fired vertically upwards from the ground at time t = 0 s in still air at a speed of 9.6 m/s. On the way up, what is the height of the object above the ground when it has a speed of 1.9 m/s. At what time does it reach this height on the way down? Give both answers separated by a comma to one decimal place.

3. A refrigeration unit cools water of mass 3 kg by 33 °C. Find the thermal energy removed from the water. The specific heat capacity of water is 4186 J/kg celsius. Give answer to three significant figures in kJ.

4. Calculate the force Fc working at point C. Give answer in kN rounded to one decimal place.

Forces at point A: Rax = 3kN, Ray = 9kN, Ma = 10kN/m

5. Calculate delta_h1 and delta_h2 in mm (integers), seprate the value with a comma, no space in between, delta_h1 is the first value (exp.: 126,4)

6.

7. In a gas pipe, the gas pressure pG is measured using a U-tube manometer connected at the bottom. Above the meniscus of the measuring liquid (mercury with density ρQ) on the gas side, there is a column of water with height h₂ and density ρW.
Question:
What negative pressure △pU (vacuum) exists in the pipe compared to the external pressure p₀?

Result in Pa, two decimal numbers seperated by a point (exp. 15.3). Do not put the Unit in the field below.

8. A spring in a church clock has a spring constant of 10 N/m. What is its elastic potential energy store if it is stretched 8 m? Give answer in Joules to three significant figures.

9.

10. The given gearbox consists of two gear sets with wheels 1, 2 and 3, 4 respectively. The wheels are fixed to their shafts. Calculate the drive speed (in rpm) of wheel 4?

Given: n1=600 rpm, z1=18, z2=90, z3=24, z4=120