Quiz Preparation

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

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

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

4. What is the maximum duration of the Business Plan Presentation?

5. For the Cost and Manufacturing discipline, which statement is correct regarding „bought parts“?

6. What must the Technical Vehicle System Documentation include?

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

8. What is the length of the acceleration track?

9. What does the yellow and red striped flag mean during Endurance and Autocross Event?

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

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

2. Your team completes their best autocross run in 71.9 secs but goes off course once and knocks over two cones. The fastest team overall completed their run in 73.2 secs. How many points did your team recieve for autocross? Round to one decimal place.

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

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

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

6. What is the volume of the smallest allowed head restraint? Give answer to two decimal places in m^3

7. Your team recieves 23.9 points for their autocross run. The fastest time overall was 82.3 secs. How long was your team’s fastest run? Round to one decimal place.

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

9. Your team completes their best manual skidpad run in 6.1 secs. The fastest team overall completed their run in 4.9 secs. How many points did your team recieve for skidpad? Round to one decimal place.

10.

The following items have to be on or attached to the push bar, if you are an EV team. (multiple choice)

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

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

13. Which of the following statements are correct? (Multiple Choice)

14. Your team completes their best autocross run in 84.0 secs but knocks down one cone. The fastest team overall completed their run in 75.7 secs but knocked down three cones. How many points did your team recieve for autocross? Round to one decimal place.

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

16. Which of the following requirements are a must for all non DV electric cars with wings, when moving the vehicle on the competition site? (Multiple choice)

17.

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

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

19. Your team completes their best autocross run in 71.2 secs. The fastest team overall completed their run in 71 secs. How many points did your team recieve for autocross? Round to one decimal place.

20. What is the minimum diameter of a shutdown button placed on the side of the vehicle behind the driver’s compartment?

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

2. 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

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

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

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

6. 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.

7. 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

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

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

10. 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

1. A racing car rolls to a stop on a horizontal course with an initial speed of v. It decelerates
only by friction with a rolling resistance of μF, which is supposed to be independent of
the current velocity.
What is the distance s the car needs to stop?
v = 230mph, μF = 0.17, g = 9.81 m/s2.
Give your answer in meters, rounded to four significant places.

2. 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.

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

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

6. 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.

7. A lorry contains an engine with a power of 2.78 J/s. The lorry drives for 36 mins. Calculate the energy transferred in kJ rounded to three decimal places.

8. During last year acceleration a top speed of 100 km/h was reached. Due to big improvements in the new drivetrain, the new vehicle reaches a top speed of 120 km/h. The aerodynamics chief has some worries about the stability of the rear wing bracing due to the higher aerodynamics load. Given the geometry below, by how much % does the bearing force in point A change in comparison to last year? (The aerodynamic package did not change and therefore some values can be assumed for both vehicles). Give answer rounded to one decimal place.

CL=3.8     CD=1.2     A=1 m²     rho=1.1 kg/m³     L1=50 mm     L2= 100 mm     H1= 125 mm     H2= 165mm

9. 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

10. A 30 lbs model helicopter flying at 51 mph, calculate its kinetic energy. Answer in J to 3 significant figures.