Quiz Preparation

1. How far is the car tipped during the tilt test?

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

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

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

5. What is true about the Cones & Markings for Autonomous Running?

6. What penalty is given for a doo in Skidpad?

7. How many manual dynamic events can one team compete in during a competition?

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

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

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

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

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

3. Your team completes their best manual acceleration run in 3.3 secs, but at the end of the run knocks over one cone. 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.

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

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

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

7. Your Team Sponsor offers you a Driver’s Harness. After examining the harness and the rules, an engineer in your team reports that the attachment of the harness can not be welded to the chassis structure. Furthermore, the engineer makes 4 statements. Which of these statements is true?

8. 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?

9. Which statements are correct? (multiple choice)

10. To build your race car you need a part what can be bought on the public market for 450 EUR per piece. Your plan is to sell 1200 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

11. Your team completes their best manual skidpad run in 4.3 secs but knocks down 5 cones. 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.

12.

The Electrical System Officer must: (Multiple Choice)

13. How far is the car tipped during the tilt test?

14. 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

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

16. How many different tyre sizes can be used on a car during an Autocross run?

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

18. 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.

19. How many sets of dry tyres are allowed to be used in the manual dynamic disciplines during one event?

20.

Which of the following parts are not part of the Shutdown Circuit? (Multiple choice)

1. Which of these HV- and LV-components have to be fire-retardant? (Multiple Choice)

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

3. 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.

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

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

6. 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.

7. 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)

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

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 requirements of the brake light assembly must be met to be rules compliant? (multiple choice)

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

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

3.

4. A team is in the process of validating the compliance of the shoulder harness bar used in their car. Choose the part in which their configuration is incompliant:

5. An air as an ideal gas expands adiabatic from a volume of V1 = 1,00l with its pressure of p1 = 10^5 Pa to 1/10 of its original pressure. What volume V2 (in litres) does the gas reach after it’s expansion? Round to two decimal places

6. 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.

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. 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.

9. 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.

10. The kinetic energy of a 8 lbs 4 oz box as it was dropped reaching ground is 10125J. Determine the speed as it lands. Give answer to one decimal place in m/s.