Quiz Preparation

1. 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?

2.

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

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

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

5. 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 ?

6. What is true about the Cones & Markings for Autonomous Running?

7. What must the Technical Vehicle System Documentation include?

8. What is DNF short for?

9. What is BSPD short for?

10. 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?

1. 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.

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

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

4. What is the area of the cockpit opening template (including the area allowed for the steering) in square inches rounded to one decimal place?

5. 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.

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

7. Each team must have two 0.8kg fire extinguishers.

8. 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

9. 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

10. 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.

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

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

13. 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

14.

The Electrical System Officer must: (Multiple Choice)

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

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

17. 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.

18. Your team completes their best manual skidpad run in 5.9 secs. The fastest team overall completed their run in 5.1 secs. How many points did your team recieve for skidpad? Round to one decimal place.

19. 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 (?, ?).

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

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. 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

3. 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.

4. 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

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

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

7. 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.

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

9. 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.

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

1. The kinetic energy of a 8 lbs 4 oz box as it was dropped reaching ground is 10125J. Determine the speed as it lands. Give answer to one decimal place in m/s.

2.

3. 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:

4. Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

5. 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.

6. A 30 lbs model helicopter flying at 51 mph, calculate its kinetic energy. Answer in J to 3 significant figures.

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 = 300 km/h, μF = 0.15, g = 9.81 m/s2.
Give your answer in meters, rounded to four significant places.

8. Calculate the gravitational potential energy of a 4 kg object at 15 m above Earth’s surface with gravitational field strength of 9.81 N/kg. Give answer to three significant figures in J.

9. Answer in MJ, round to one decimal number (example 45.7), no unit in the answer

10.