Quiz Preparation

1. Which of the following must be included in the Bill of Material (BOM)?

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

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

4. What is the resulting time of a SkidPad run?

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

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

7. What is true about the Cones & Markings for Autonomous Running?

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 percentage of points are the Finances in the Business Plan Presentation Event?

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

1.

The Electrical System Officer must: (Multiple Choice)

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

3. Your team completes their best autocross run in 84.0 secs but knocks down five cones. The fastest team overall completed their run in 1 min 13 secs. How many points did your team recieve for autocross? Round to one decimal place.

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

5. 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 ?

6. How many percentage of points are the Finances in the Business Plan Presentation Event?

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

8. How long is water sprayed on the car during the rain test?

9.

The Electrical System Officer must: (Multiple Choice)

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

11. Your team completes their best autocross run in 71.2 secs. The fastest team overall completed their run in 71 secs. How many points did your team recieve for autocross? Round to one decimal place.

12. 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

13. What is the maximum number of drivers allowed to compete at an event?

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. What is the diameter of the inside skidpad circle?

16. For the rain test: (Multiple Choice)

17. Your team recieves 14.7 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.

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

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

20. The length of the acceleration track is 75m. Hypothetically the acceleration of the cars is constant, and linear, without slip. The vehicle starts from the starting line of the Acceleration track and then covers 75m. At the finish line, the speed of the racing car is 108 km/h.

How much time (in secs) is needed for the car complete the Acceleration Event and what was the acceleration of the car ( in m/s^2)? Give the answers as whole numbers sparated by a comma (?, ?).

1. 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

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

3. 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.

4. 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)

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

6. 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.

7. 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

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

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

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

1. 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 = 300 km/h, μF = 0.15, g = 9.81 m/s2.
Give your answer in meters, rounded to four significant places.

2. 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

3. For a horizontally positioned, non-insulated steam pipe with a length of l=3 m and a diameter of d_a=0.1 the convective heat loss Q_point is to be calculated. The temperature of the surrounding air is θ_f=30∘C and that of the outer wall surface is θ_w=170∘C.

Input the result in kW and round to two decimal numbers seperated by a point without thr unit (example: 145.35)

4. The previous season you could recuperate only 25% of your initially stored energy, but this season a big improvement in your drivetrain allows you to recuperate 63% of the initially stored energy.  Knowing that you had 9.6 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 to one decimal place.

5. 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

6. A water tank under a pressure of p = 117.72 kPa has three pipes connected to it, which are sealed 5 meters below the water surface by three plates with areas A₁, A₂, and A₃.
Task:
Sort the pressures p₁, p₂, and p₃ according to their magnitude.

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

8. Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

9. 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

10.