Quiz Preparation

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

2. Which of the following statements about the dynamic disciplines is correct?

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

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

5.

6. What penalty is given for a doo in Skidpad?

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

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

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

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

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

2. 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 (?, ?).

3. To build your race car you need a part what can be bought on the public market for 400 EUR per piece. Your plan is to sell 1300 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 25.000 EUR per year for the machine operator. The material costs are 75 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

4. To build your race car you need a part what can be bought on the public market for 450 EUR per piece. Your plan is to sell 1200 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

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

6. Your team completes their best autocross run in 84.9 secs and that was the fastest overall time. How many points did your team recieve for autocross? Round to one decimal place.

7. Your Team Sponsor offers you a Driver’s Harness. After examining the harness and the rules, an engineer in your team reports that the attachment of the harness can not be welded to the chassis structure. Furthermore, the engineer makes 4 statements. Which of these statements is true?

8.

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.

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

10. 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 but knocked down three cones. How many points did your team recieve for autocross? Round to one decimal place.

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

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

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

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

16. Your team recieves 23.9 points for their autocross run. The fastest time overall was 82.3 secs. How long was your team’s fastest run? Round to one decimal place.

17. 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

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

19. 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.

20. 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.

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

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

3. 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.

4. 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.

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

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

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

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

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

2. 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.

3. Using an indicator, the cylinder pressure can be plotted as a curve over the piston stroke. The curve recorded for the compression stroke of an internal combustion engine can be approximated by the relationship p⋅V^n=const..
What is the amount of work done by the volume change if the following values are given?

given: V_1=10^-3 m^3; p_1=0.1 MPa; p_2=3 MPa; n=1.3

Round to one decimal number seperated by a point. Input in Joul without writing the unit in the field below (example: 152.9).

4. A spring in a church clock has a spring constant of 10 N/m. What is its elastic potential energy store if it is stretched 8 m? Give answer in Joules to three significant figures.

5.

6. During last year acceleration a top speed of 100 km/h was reached. Due to big improvements in the new drivetrain, the new vehicle reaches a top speed of 120 km/h. The aerodynamics chief has some worries about the stability of the rear wing bracing due to the higher aerodynamics load. Given the geometry below, by how much % does the bearing force in point A change in comparison to last year? (The aerodynamic package did not change and therefore some values can be assumed for both vehicles). Give answer rounded to one decimal place.

CL=3.8     CD=1.2     A=1 m²     rho=1.1 kg/m³     L1=50 mm     L2= 100 mm     H1= 125 mm     H2= 165mm

7. An air as an ideal gas expands adiabatic from a volume of V1 = 1,00l with its pressure of p1 = 10^5 Pa to 1/10 of its original pressure. What volume V2 (in litres) does the gas reach after it’s expansion? Round to two decimal places

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 cornering speed during Skidpad (you can use the centerline radius in the rules) using following information:

μ_y = 1.4,  m = 240 kg,  c_L = 3.2,  A = 1 m^2,  ρ = 1.1  kg/m^3

It is assumed, that there is no weight transfer and all 4 tires are at the optimal grip level. Answer in m/s rounded to one decimal place.

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