Quiz Preparation

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

2. What does a black flag mean?

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

4. What needs to be considered when entering the Dynamic Area?

5. How many percentage of points are the Finances in the Business Plan Presentation Event?

6. What is the resulting time of a SkidPad run?

7. Situation during the Endurance: A driver spins with the car and is driving in reverse to get back on track. What is wrong in this situation?

8. What is the diameter of the outside skidpad circle?

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

10. What is the penatly for hitting over a cone during skidpad?

1. Your team completes their best manual skidpad run in 4.0 secs but knocks down 11 cones. The fastest team overall completed their run in 4.1 secs. How many points did your team recieve for skidpad? Round to one decimal place.

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

3. 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.

4. Your team completes their best manual acceleration run in 6.0 secs. The fastest team overall completed their run in 3.9 secs. How many points did your team recieve for acceleration? Round to one decimal place.

5. What does the red flag mean during the driving disciplines?

6. What is the length of the acceleration track?

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

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

9. Which of the following requirements is a must for all types of vehicles, when moving the vehicle on the competition site?

10. To build your race car you need a part what can be bought on the public market for 400 EUR per piece. Your plan is to sell 1300 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 25.000 EUR per year for the machine operator. The material costs are 75 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

11. You want to use this shutdown button left and right between the main hoop and the main hoop bracings. Is this application rules compliant?

12. What does a black flag mean?

13. Your team reiceves 59.3 points for their autocross run. The fastest time overall was 71.9 secs. How long was your team’s fastest run? Round to one decimal place.

14. As an EV Team without DV, what is your maximum total score of Busniess Plan Presentation, Cost and Manufacturing, Skid Pad, Acceleration and Efficiency together?

15. What is the minimum allowed static ground clearance, including driver?

16. Your team completes their best manual acceleration run in 4.2 secs. The fastest team overall completed their run in 4.1 secs. How many points did your team recieve for acceleration? Round to one decimal place.

17.

The following parts are part of the Shutdown Circuit (Multiple choice)

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

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

20. To build your race car you need a part what can be bought on the public market for 400 EUR per piece. Your plan is to sell 950 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 70 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

1. Which statements about the travel of the driving pedal is correct

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

3. 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.

4. 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

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

6. 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

7. For this Wheatstone Bridge based NTC temperature measurement circuit, which is the lowest voltage measurement (VAB) that is possible to obtain at 60ºC? (NTC B: 3435 +/-1%) Give answer in Volts rounded to two decimal points.

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

9. The previous season you could recuperate only 27% of your initially stored energy, but this season a big improvement in your drivetrain allows you to recuperate 69% of the initially stored energy.  Knowing that you had 6.3 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

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

1. 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)

2. Calculate the cornering speed during Skidpad (you can use the centerline radius in the rules) using following information:

μ_y = 1.4,  m = 240 kg,  c_L = 3.2,  A = 1 m^2,  ρ = 1.1  kg/m^3

It is assumed, that there is no weight transfer and all 4 tires are at the optimal grip level. Answer in m/s rounded to one decimal place.

3. in m, to decimal numbers seperated by a point (example: 150.00), no unit requirment for the solution

4. A hall with a floor area of 500 m² is to be equipped with underfloor heating, which will be operated at an average temperature of 33°C.

What percentage of the floor area must be used as heating surface in order to ensure an indoor temperature of 18°C when the outside temperature is -15°C?

Result in m^2 as an integer

5. 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.

6. A water tank under a pressure of p = 117.72 kPa has three pipes connected to it, which are sealed 5 meters below the water surface by three plates with areas A₁, A₂, and A₃.
Task:
Sort the pressures p₁, p₂, and p₃ according to their magnitude.

7. 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).

8. Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

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

10. If the density of aluminium is 2.71 kg/m^3, find the volume of a 0.888 kg of aluminium. Give answer in m^3 with two decimal places.