Quiz Preparation

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

2. What is the penatly for driving off course during endurance?

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

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

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

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

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

8. How many points are assigned for the BOM and BOM discussion in the Cost and Manufacturing Event?

9. How many points are assigned for the pitch video in the Business Plan Presentation Event?

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

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

2. What is the length of the acceleration track?

3. Your team recieves 4.7 points for their autocross run. The fastest time overall was 69.1 secs. How long was your team’s fastest run? 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. How far is the car tipped during the tilt test?

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

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

8. 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)

9.

The Electrical System Officer must: (Multiple Choice)

10.

How many teams can be registered per university? (Multiple Choice)

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

12.

Assuming the skid pad event has only two participants, both EV without driverless. Team A and Team B: calculate the score rounded to two decimals for the team scoring the lower amount of points using the following data.

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

14. 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

15. 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

16. 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.

17. 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.

18.

A team can register up to how many Electrical System Officers?

19. 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?

20. How many points are assigned for the BOM and BOM discussion in the Cost and Manufacturing Event?

1. According to the FS Rules and the competition handbook: Which statements are true?

2.

The figure shows a simplified quarter vehicle modal. The drive torque T(M) is the input, the wheel speed W is the output of the system. The torque due to the acceleration of the vehicle is modelled by the constant disturbance d. I models the inertia of the wheel and s is the complex variable of the Laplace transform.

Which statements are correct? Mark all correct answers.

3. A single-cylinder four-stroke engine with a total displacement of 623.7 cm3 has the following theoretical design: piston stroke s = 52 mm, connecting rod length l = 66 mm, piston diameter d = 38 mm. The ignition timing point is given as Sk = 2.0 mm before TDC.
Calculate the ignition timing point in ° crankshaft before TDC. Round to one decimal.

4. Given is a parallel-plate capacitor with area A, separated by a uniform gap of thickness d1 filled with a dielectric with permittivity ε. At time t1, the voltage of the capacitor is V1. The capacitor is not connected to any electrical network.
How much energy is needed to change the plate spacing to d2 = 4 × d1?

5. You built a cannon to impress your friends with a basketball trickshot. It has a railgun-style accelerator with a length / of 1 m. Your cannon is tilted upwards by an angle a of 77.25° and is placed as depicted with the lower part in the origin of the coordinate system. The cannonball has a mass m of 0.567 kg. Assume that the capacitors have a total capacity C of 33 mF, that the standard acceleration due to gravity 9, is 980.665 cm/s^2 and that there is no friction and no energy loss.
What voltage do you need to charge the capacitors supplying the railgun to, in order to hit the basket at (4.191 m, 3.05 m). Round to the nearest one.

6. Fred, the racing alpaca, has made a New Year’s resolution to lose weight to improve his time in Acceleration. Assume that the traction force remains the same, is constant over the entire Acceleration, and that drag or other resistances can be neglected.
How much weight must he lose at least to improve his time by 13 %? Answer in % and round to the nearest one.

7. Mark all true statements according to the FS Rules

8. Coco, the three-legged cat with a mass of 3.5 kg, is standing still on a horizontal frictionless surface. While playing with a ball of yarn, having a mass of 0.05 kg, Coco kicks it backwards with one of her three legs so hard that the ball of yarn reaches a speed of 2.3 m/s.
The resulting speed of Coco is:

9. In the following there are multiple statements abount the rules. Which statements are correct?

10. You want to use a photo from media.formulastudent.de.
Mark the correct answer.

1. Mark all true statements according to the FS Rules

2. In which cases will team members be denied their on-site member pass?
Mark all correct answers!

3. In the following there are multiple statements abount the rules. Which statements are correct?

4. According to the FS Rules and the competition handbook: Which statements are true?

1. 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

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

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

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

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

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

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

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

9. 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

10. 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

1. 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:

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. 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

4. 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.

5. 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.

6. A lorry contains an engine with a power of 0.255 W. The lorry drives for 51 s. Calculate the energy transferred in Joules and round to one decimal places.

7. A spring in a car’s suspension has elastic potential energy store 226 J. If the spring constant is 8.1N/mm, find the extension. Give answer in meters to three significant figures.

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

9. 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.

10. 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)