Quiz Preparation

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

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

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

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

5. What is the length of the acceleration track?

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

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

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

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

10. Situation during the Endurance: A driver spins with the car and is driving in reverse to get back on track. What is wrong in this situation?

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

2.

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.

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

4. 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 (?, ?).

5. What does a black flag mean?

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

7. The team at an event with the highest points in the Buisness Plan Presentation but not reaching the finals has 67 points. Your team received 29 points but the topic of your team’s BPP didn’t meet the requirements defined in the rules. What is your Business Plan Presentation Score? Round to one decimal place

8. 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

9. Your team completes their best manual acceleration run in 4.1 secs. The fastest team overall completed their run in 3.2 secs. How many points did your team recieve for acceleration? Round to one decimal place.

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

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

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

13. 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 ?

14. 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.

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

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

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

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

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

20. 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.

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

2. 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

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

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

5. 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

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

8. 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.

9. 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.

10. 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.

1. The magnitude of the manifold reaction force FK is to be determined. In Newton, integer, no unit in the answer

2. 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:

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. 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.

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. in cm^3, round to decimal numbers sperated by point (13.5) no unit int the answer

7. 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.

8. 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.

9. Calculate the Normal force on the rear left tyre during the first skidpad lap. You can assume, that your vehicle is in a steady-state condition and that there is no longitudinal acceleration. Further it can be assumed, that all 4 wheels have a lateral grip coefficient of 1.4. You can use the centerline radius stated in the rules. Following information regarding the vehicle are given. Give answer to nearest whole number in Newtons.

m = 220 kg

Cl = 3.8

A = 1 m^2

Rho = 1.1 kg/m^3

Wheelbase: L = 1.53

Trackwidth:t = 1.2 m

Height of CG: h = 0.2 m

Weight distribution/COP: 50%

10. 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