Quiz Preparation

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

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

3. During the BPP, who is allowed to answer questions from the judges?

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

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

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

7.

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

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

10. What does a black flag mean?

1. 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.

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

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

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

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

6.

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

7. What is the minimum tread depth of the rain tires?

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

9. 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

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

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

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

13.

The Electrical System Officer must: (Multiple Choice)

14.

The Electrical System Officer must: (Multiple Choice)

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

16. Your team completes their best manual skidpad run in 5.9 secs. The fastest team overall completed their run in 5.1 secs. How many points did your team recieve for skidpad? Round to one decimal place.

17.

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

18. To build your race car you need a part what can be bought on the public market for 250 EUR per piece. Your plan is to sell 1000 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

19. Which of the following statements are correct? (Multiple Choice)

20. 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.

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

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

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. 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

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

8. 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

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

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

1. Calculate the pull force on the plate in Newton. Round to 2 numbers seperated by a point (exanple: 9.13)

2. 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

3. 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.

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. If the density of aluminium is 2.71 kg/m^3, find the volume of a 0.888 kg of aluminium. Give answer in m^3 with two decimal places.

6. Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

7. A helicopter of mass 4200 kg is carrying a crate using a light extensible rope. The crate has a total mass of 800 kg, including its contents. The helicopter and crate are accelerating upwards at 2.0 ms^-2. What is the tension in the rope? Use gravititational field strength g is 9,81 N/kg. Air resistance can be ignored. Give answer to nearest whole number in Newtons

8. 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.

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. 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