Quiz Preparation

1. What does a black flag mean?

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

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

4.

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

5.

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.

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

7. Teams who remove their vehicle from the event site after
the event has begun will be disqualified from the event.

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

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

10. How many drivers are allowed to drive in each discipline?

1. 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

2. Your team completes their best manual skidpad run in 5.1 secs but goes off course. The fastest team overall completed their run in 4.6 secs. How many points did your team recieve for skidpad? Round to one decimal place.

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

4. Which statement about the Ready-To-Drive sound is correct?

5. What is the length of the acceleration track?

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

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

8. What is the maximum hight for aerodynamic devices rearward of a vertical plane through the rearmost portion of
the front face of the driver head restraint support ?

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

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

11. Your team reiceves 59.3 points for their autocross run. The fastest time overall was 71.9 secs. How long was your team’s fastest run? Round to one decimal place.

12.

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

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

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

15. Your team completes their best manual acceleration run in 6.0 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.

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

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

18. 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.

19. What is the minimum amount of ASR needed at the Event when being a DV Team?

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

1. 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.

2. 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

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

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

5. 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

6. 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

7. For this Wheatstone Bridge based NTC temperature measurement circuit, which is the lowest voltage measurement (VAB) that is possible to obtain at 60ºC? (NTC B: 3435 +/-1%) Give answer in Volts rounded to two decimal points.

8. Which of the following statements about LV battery packs with lithium based chemistry other than LiFePo4 is not true?

9. 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.

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

1. A vehicle with the mass 190kg, wheelbase 1,56m and tyre static radius 222mm is weighed. Scales measure 83kg (front) and 107kg (rear) when the car measured on the perfectly flat ground and the same values when the front axle is elevated by 0,85m. What is the car’s COG height? Give answer to the nearest whole number in mm

2. 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.

3.

4. The Wet Skid Pad World Record was set at FSN2019 by TU Delft. They managed to set a time of 4.901 for the left circle and a time of 5.031 for the right circle. Assume the run was completed perfectly along the center line of the circles. What was their average speed during this record run? Give answer to two decimal places in mph.

5. Calculate delta_h1 and delta_h2 in mm (integers), seprate the value with a comma, no space in between, delta_h1 is the first value (exp.: 126,4)

6. 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

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. 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.

9. Answer in MJ, round to one decimal number (example 45.7), no unit in the answer

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