Quiz Preparation

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

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

3. How many events may a driver drive during a competition?

4. 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 ?

5. For the Cost and Manufacturing discipline, which statement is correct regarding „bought parts“?

6. How many numbers of skidpad runs does a team have?

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

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

9. What is BSPD short for?

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

1. 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.

2. What is the diameter of the inside skidpad circle?

3. What is the minimum height of the university name on both sides of the car?

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

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

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

7. For the rain test: (Multiple Choice)

8. In which currency must the costs be displayed in the CBOM?

9. What is the minium number of points your team can get when participating in th BPP finals?

10. 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

11.

The Electrical System Officer must: (Multiple Choice)

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

13. What is the minimum amount of ASR needed at the Event when being a DV Team?

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

15. 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.

16. The team at an event with the highest points in the Buisness Plan Presentation but not reaching the finals has 69 points. Your team received 33 points. What is your Business Plan Presentation Score? Round to one decimal place & don’t forget to use a point instead of comma

17. 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 ?

18. 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)

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

20. 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.

1. 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.

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

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

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

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

6. 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

7. 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

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

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

10. 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.

1. 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).

2. Unit: kg/(m^3), to decimal number seperated by: . (exp. 15.3), write only the number in the field below

3. 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)

4. Before the endurance you pump nitorgen in your tires at a temperature of 20°C and 0.7 bar relative pressure. Knowing, that during the endurance the maximal tyre temperature will be around 60°C, what will be the maximal relative pressure of the tyre? Give answer in bar to two decimal places.

5. Calculate delta_h1 and delta_h2 in mm (integers), seprate the value with a comma, no space in between, delta_h1 is the first value (exp.: 126,4)

6. 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.

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

8. A lorry contains an engine with a power of 2.78 J/s. The lorry drives for 36 mins. Calculate the energy transferred in kJ rounded to three decimal places.

9. 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)

10. 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.