Quiz Preparation

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

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

3. The car is tipped to 60° during the tilt test?

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

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

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

7.

In the event of unsportsmanlike conduct, 25 penalty points will be deducted from the team’s overall score. A second violation will result in an additional 100 penalty points deducted from the team’s overall score.

8. What does a black flag mean?

9.

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

10. What is AMS short for?

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

2. Which statements are correct? (multiple choice)

3. Suppose that 28 teams particpate in the CV category and your team is one of them, there are 6 Busniess Finalist teams among them. The team with the highest points not reaching the finals has 67 points, your team recieved 59 points. What is your Business Plan Presentation Score? Give answer to one decimal place

4. What is the length of the acceleration track?

5. What is the minimum height of the characters of the car number?

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

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

8. How many percentage of points is the Cost Understanding in the Overall Cost and Manufacturing Event?

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

10. The team at an event with the highest points in the Buisness Plan Presentation but not reaching the finals has 65 points. Your team received 61 points but your team missed their timeslot for BPP. What is your Business Plan Presentation Score? Round to one decimal place

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

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

13. 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.

14. 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.

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

16. For the rain test: (Multiple Choice)

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

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

19. What is the area of the cockpit opening template (including the area allowed for the steering) in square inches rounded to one decimal place?

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

1. 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

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

3. 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

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

5. 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.

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

7. 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

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

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

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

1. 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.

2. 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

3. Unit: kg/(m^3), to decimal number seperated by: . (exp. 15.3), write only the number in the field below

4.

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

6.

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

8. Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

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 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.