Quiz Preparation

1. Are teams allowed to decide whether they drive on rain tires or slicks by themselves?

2. Which of the following must be included in the Bill of Material (BOM)?

3. What is BOM short for?

4. How many points are assigned for the Overall Vehicle Concept in the Engineering Design Event? (Multiple choice)

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

6. Which of the following is true about presenting the vehicle for static judging?

7. How many numbers of skidpad runs does a team have?

8. How many events may a driver drive during a competition?

9. How long is water sprayed on the car during the rain test?

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

1. What is the total surface area of percy (including connection pieces)? Persume the connection pieces have a width of 20mm. Give answer in miles to one decimal place

2. What is the minimum allowed ground clearance, excluding driver?

3.

The Electrical System Officer must: (Multiple Choice)

4. 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

5. How long is water sprayed on the car during the rain test?

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

7.

The Electrical System Officer must: (Multiple Choice)

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

9. What is the maximum number of drivers allowed to compete at an event?

10. A team missed the intial deadline for a document and submitted this 49 hours after the deadline. After that the team’s document got accepted. The team will recieve a 10 point penalty.

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

12. 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.

13. For the rain test: (Multiple Choice)

14. What is the length of the acceleration track?

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

16. What is the penatly for driving off course during acceleration?

17. 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

18. Your team recieves 14.7 points for their autocross run. The fastest time overall was 69.1 secs. How long was your team’s fastest run? Round to one decimal place.

19. What is the minimum score for the third place in the Business Plan finals (with three finalists)?

20. A team missed the intial deadline for a document and submitted this 24 hours after the deadline. After that the team’s document got accepted. The team will recieve a 10 point penalty.

1. 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

2. A capacitor with a capacitance of 100 μF is currently charged to a voltage of 199.8V. How much additional energy is needed to charge it to a voltage of 301.4V. Give answer to 4 significant figures in Joules

3. Which of the following statements about LV battery packs with lithium based chemistry other than LiFePo4 is not true?

4. 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)

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

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

7. The following processes have to be measured by the AMS. (Multiple choice)

8. How long will it take to discharge C1 below 60V using the following constant current sink if it is initially charged at 565V? (MOSFET’s VGSth: 4V) Give answer to two decimal places in secs.

9. How much current flows when 99 C passes down a wire in 11 s? Give answer in amps as a whole number.

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. A ball at a height of 20ft on Earth with a gravitational field strength of 9.81 N/kg, gained 284 J of gravitational potential energy. Calculate the mass of the ball. Give answer to two decimal place in kg.

2. The previous season you could recuperate only 25% of your initially stored energy, but this season a big improvement in your drivetrain allows you to recuperate 63% of the initially stored energy.  Knowing that you had 9.6 kWh of energy in your accumulator during the last season, how much energy must your new accumulator have, if you assume, that it’s the same length and speed? Give answer in kWh to one decimal place.

3. Using an indicator, the cylinder pressure can be plotted as a curve over the piston stroke. The curve recorded for the compression stroke of an internal combustion engine can be approximated by the relationship p⋅V^n=const..
What is the amount of work done by the volume change if the following values are given?

given: V_1=10^-3 m^3; p_1=0.1 MPa; p_2=3 MPa; n=1.3

Round to one decimal number seperated by a point. Input in Joul without writing the unit in the field below (example: 152.9).

4. in cm^3, round to decimal numbers sperated by point (13.5) no unit int the answer

5. For a horizontally positioned, non-insulated steam pipe with a length of l=3 m and a diameter of d_a=0.1 the convective heat loss Q_point is to be calculated. The temperature of the surrounding air is θ_f=30∘C and that of the outer wall surface is θ_w=170∘C.

Input the result in kW and round to two decimal numbers seperated by a point without thr unit (example: 145.35)

6.

7. The magnitude of the manifold reaction force FK is to be determined. In Newton, integer, no unit in the answer

8. 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.

9. 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)

10. A cat of mass 12 kgs ran at 65mph. What is its kinetic energy? Answer in J to the nearest whole number