Quiz Preparation

1. What is the maximum length of time allowed for the driver change in endurance, in order to recieve no penatly?

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

3. Can a team be eliminated from the Engineering Design Event by the judges, if every document of theirs was accepted and they are present at the Engineering Design Event?

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

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

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

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

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

9.

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

10. Ten pages of text are allowed in the Engineering Design Report

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

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

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

4. 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.

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

6.

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

7. 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.

8. What is the volume of the smallest allowed head restraint? Give answer to two decimal places in m^3

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. Your team completes their best manual acceleration run in 4.2 secs. 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.

11. What are requirements of using a standard Impact Attenuator?

12. What does a black flag mean?

13.

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.

14. 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.

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 tread depth of the wet tires?

17.

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

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. 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.

20.

The Electrical System Officer must: (Multiple Choice)

1. Which of the following statements regarding the rules are correct (2024)?
Mark all correct answers.

2. Mark all true statements according to the FS Rules

3.

The figure shows the output voltage Vout versus the input voltage Vin as the transfer function of 74LVC1G34, a non-inverting LVTTL buffer.
The non-inverting LVTTL buffer obeys the following static discipline:

Does the given tranfer curve satisfy the static discipline? Mark all correct answers.

4. Given is the three-dimensional circuit as shown. It consists of three resistors, each 4.7 kOhm, six capacitors, each 470 nF, and three inductors, each 4.7 μH.
Calculate the magnitude of the impedance |z| in kOhm between the input and output marked in red for a sinusoidal voltage of 12V and 50 Hz between the input and output. Round to two decimals.

5. Consider a digital LVTTL signal from your pedalbox to your main control unit. The length / of the cable inbetween is 5m. Your motor controllers introduce a noise of 0.15 V per meter cable. To correct for that noise, you introduce 74LVC1G34, non-inverting buffers into the cable.
The purpose of the buffer is to take a signal, to which a certain amount of noise has been added so that it would no longer meet the input specification of the static discipline, and clean it up so that it once again meets the output specification of the static discipline.
The non-inverting LVTTL buffers, as well as the gates shown, obey the following static discipline:

What is the minimum number of non-inverting LVTTL buffers required to connect inbetween in oder to ensure correct operation?

6.

The figure shows internal single walls of the TSAC and their cutouts.
Which of these walls are rules compliant? Mark all correct answers.

7.

The figure shows a block diagram of a dynamic system.
What is the overall transfer function of the system?
Mark the correct answer.

8. For the shown drive train, the input rotational speed is 3600 min-1, and the number of teeth of the sprocket is z1 = 20.
ease note: n2 = n3, n4 = n5, n6 = n7.
The number of teeth of the sprockets are:
z1 = 20, z2 = 45, z3 = 24, z4 = 55, z5 = 30, z6 = 43, z7 = 15, z8 = 53
Calculate the rotational speed in min^-1 for the final sprocket z8 where the driveshafts are mounted. Round to one decimal.

9. A horizontal pipe increases from cross-section 1 with A1 = 2.55 cm2 to cross-section 2 with A2 = 7.1 cm2. In cross-section 1 there is a pressure of p1 = 1.2 bar and a flow rate of v1 = 5 m/s. The density of water is 997 kg/m3.
Calculate the pressure in bar in cross-section 2 for the flowing water. Round to two decimals.

10. The TS of an EV can be simplified to be
an ideal TS energy storage and
an unshielded TS cable running through free air.

The ideal TS energy storage consists of the following parts:
an ideal voltage source V0 supplying 600 V DC at any load
an ideal resistor Ri of 28.5 mΩ which combines all resistances in the high current path of the TS energy storage, such as the cell, contact, busbar, wiring, fuse, and outlet connector resistances
an ideal circuit-breaker as the main fuse having an appropriate DC voltage rating and a characteristic such that the instantaneous tripping current is 10 times the rated current

The TS cable has the following properties:
the cross-section A is 2×6 mm2
the length l is 10 m
the specific conductivity κ is 56 m/(Ω*mm2)
a 30 % increase in the wire’s resistance covers the thermal behavior and all other effects during a short-circuit event
Select the rated current In and breaking capability Icn of the TS energy storage circuit-breaker, such that
a short circuit event at any point of the TS wire triggers instantaneous tripping
a short circuit event at any point of the TS wire can be interrupted
the maximum possible rated current is chosen, although the value might be well above the typical continuous current rating of the cable
available values for the rated current In have a step of 10 A (e.g. 10 A, 20 A, 30 A)
the minimum possible breaking capability is chosen
available values of the breaking capability Icn have a step of 10 kA (e.g. 40 kA, 50 kA, 60 kA)
Give the rated current In in A and the breaking capability Icn in kA in the following format: In, Icn e.g. 123, 456

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

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

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

4. Mark all true statements according to the FS Rules

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

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

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

4. 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

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

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

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

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

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. You want to drive with a Lithium Polymer Cell with 3.2 Ah and weighing 70 g. Which of the following configurations would be allowed by the rules? Hint: Unorm = 3.7 V, Umax = 4.2 V

1. 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.

2. 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.

3. 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.

4. Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

5. A refrigeration unit cools water of mass 3 kg by 33 °C. Find the thermal energy removed from the water. The specific heat capacity of water is 4186 J/kg celsius. Give answer to three significant figures in kJ.

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

7. 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

8. 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:

9. 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

10. 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.