Quiz Preparation

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

2. What is IMD short for ?

3. Which of the following is true about presenting the vehicle for static judging?

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

5. What is allowed regarding telemetry during a run?

6. What is the length of the acceleration track?

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

8.

A team can register up to how many Electrical System Officers?

9.

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.

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

1. 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.

2.

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

3. Which of the following statements are wrong? (Multipel Choice)

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

5. Your team completes their best manual skidpad run in 4.0 secs but knocks down 11 cones. The fastest team overall completed their run in 4.1 secs. How many points did your team recieve for skidpad? Round to one decimal place.

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

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

8. 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

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

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

11. What does the yellow and red striped flag mean during Endurance and Autocross Event?

12. 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?

13. Which statements are correct? (multiple choice)

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

16. Which statement about the Ready-To-Drive sound is correct?

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

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

19. 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 ?

20. 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.

1. 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

2. 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.

3. 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

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. 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

6. 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.

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

8. 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

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

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

1. 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.

2. Calculate the force Fc working at point C. Give answer in kN rounded to one decimal place.

Forces at point A: Rax = 3kN, Ray = 9kN, Ma = 10kN/m

3. 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.

4. 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.

5.

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

7. 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

8.

9. 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)

10. 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.