Quiz Preparation

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

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

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

4. What is the length of the acceleration track?

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

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

7. What is IMD short for ?

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

9.

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

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

1. What does a black flag mean?

2. Your team completes their best manual acceleration run in 4.1 secs. The fastest team overall completed their run in 3.2 secs. How many points did your team recieve for acceleration? Round to one decimal place.

3. An official has the right to remove the scrutineering sticker from the car, if the car is no longer rule compliant.

4. 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

5. Your team completes their best manual acceleration run in 5.3 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.

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

7. 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

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

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

10. 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.

11. As a DV-EV Team not competing in DC, what is your maximum total score of Busniess Plan Presentation, Cost and Manufacturing, Skid Pad, Acceleration and Efficiency together?

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

13. Which of the following documents is directly evaluated during Engineering Design Event?

14. What is the minimum height of the university name and the car number added together?

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

16.

The Electrical System Officer must: (Multiple Choice)

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

18. 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

19. 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

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

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

2. 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.

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

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

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

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

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

8. 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

9. 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

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 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.

2. 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.

3. 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

4.

5. 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).

6. Your team is the first car at the design event during FSN2022 and it’s quite cold for this time of the year, 12 degrees C. To impress the judges, you decide to make some tea for them. What is the minimum required time to prepare the tea, knowing that you have to boil 4 tea cups of 370ml each and you have an electrical heater with a power of 500W. Give your answer to the nearest whole number in secs.

7.

8. Calculate the maximum possible cornering speed (in kph) for the following FSAE car when going through a 20 m radius corner.

m = 260kg; cl *A * Rho = -6 kg/m; Tyre coefficient of friction = 1.5; g = 9.81 m/s^2.

The vehicle can be treated as a point mass, driving resistances neglected. Round to 1 decimal

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

10. Calculate the gravitational potential energy of a 4 kg object at 15 m above Earth’s surface with gravitational field strength of 9.81 N/kg. Give answer to three significant figures in J.