Quiz Preparation

1.

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

2. What is allowed regarding telemetry during a run?

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

4. Can a team be eliminated from the Engineering Design Event by the judges, if every document of theirs was accepted and they are present at the Engineering Design Event?

5. What is BSPD short for?

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

7.

The following parts are part of the Shutdown Circuit (Multiple choice)

8. Which of the following certifications for helmets is not allowed?

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

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

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

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

3. 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.

4. 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.

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

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

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

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

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

11. What is the minimum diameter of a shutdown button placed on the side of the vehicle behind the driver’s compartment?

12. 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.

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

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

15. Your team completes their best manual acceleration run in 5.3 secs. The fastest team overall completed their run in 3.9 secs. How many points did your team recieve for acceleration? Round to one decimal place.

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

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

19. Your team completes their best autocross run in 71.9 secs but goes off course once and knocks over two cones. The fastest team overall completed their run in 73.2 secs. How many points did your team recieve for autocross? Round to one decimal place.

20. What is the minimum height of the university name and the car number added together?

1. 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

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

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

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

5. 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)

6. 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

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

8. 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.

9. 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

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

1. 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.

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. The Wet Skid Pad World Record was set at FSN2019 by TU Delft. They managed to set a time of 4.901 for the left circle and a time of 5.031 for the right circle. Assume the run was completed perfectly along the center line of the circles. What was their average speed during this record run? Give answer to two decimal places in mph.

4. In a gas pipe, the gas pressure pG is measured using a U-tube manometer connected at the bottom. Above the meniscus of the measuring liquid (mercury with density ρQ) on the gas side, there is a column of water with height h₂ and density ρW.
Question:
What negative pressure △pU (vacuum) exists in the pipe compared to the external pressure p₀?

Result in Pa, two decimal numbers seperated by a point (exp. 15.3). Do not put the Unit in the field below.

5. 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.

6. A hall with a floor area of 500 m² is to be equipped with underfloor heating, which will be operated at an average temperature of 33°C.

What percentage of the floor area must be used as heating surface in order to ensure an indoor temperature of 18°C when the outside temperature is -15°C?

Result in m^2 as an integer

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. An object is fired vertically upwards from the ground at time t = 0 s in still air at a speed of 9.6 m/s. On the way up, what is the height of the object above the ground when it has a speed of 1.9 m/s. At what time does it reach this height on the way down? Give both answers separated by a comma to one decimal place.

9. 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.

10. 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)