Quiz Preparation

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

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

3. How many percentage of points is the Demonstration and Structure in the Business Plan Presentation Event?

4.

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

5. What is the minimum number of points a team recieves for finishing an autocross run?

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

7. The car is tipped to 60° during the tilt test?

8. 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?

9. What is the minimum number of points a team recieves for finishing an acceleration run?

10. How many pages of text are allowed in the Engineering Design Report? (Multiple choice)

1. 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.

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

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

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

5.

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

6. 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.

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

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

9. For the rain test: (Multiple Choice)

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

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

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

13. What is the minimum tread depth of the wet tires?

14. 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)

15.

Which of the following parts are not part of the Shutdown Circuit? (Multiple choice)

16. What is the volume of the smallest allowed head restraint? Give answer to two decimal places in m^3

17. What does the yellow flag mean during the driving disciplines?

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

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

20. 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

1. The TS of an EV can be simplified to be
an ideal TS energy storage and
an unshielded TS cable running through free air.

The ideal TS energy storage consists of the following parts:
an ideal voltage source V0 supplying 600 V DC at any load
an ideal resistor Ri of 28.5 mΩ which combines all resistances in the high current path of the TS energy storage, such as the cell, contact, busbar, wiring, fuse, and outlet connector resistances
an ideal circuit-breaker as the main fuse having an appropriate DC voltage rating and a characteristic such that the instantaneous tripping current is 10 times the rated current

The TS cable has the following properties:
the cross-section A is 2×6 mm2
the length l is 10 m
the specific conductivity κ is 56 m/(Ω*mm2)
a 30 % increase in the wire’s resistance covers the thermal behavior and all other effects during a short-circuit event
Select the rated current In and breaking capability Icn of the TS energy storage circuit-breaker, such that
a short circuit event at any point of the TS wire triggers instantaneous tripping
a short circuit event at any point of the TS wire can be interrupted
the maximum possible rated current is chosen, although the value might be well above the typical continuous current rating of the cable
available values for the rated current In have a step of 10 A (e.g. 10 A, 20 A, 30 A)
the minimum possible breaking capability is chosen
available values of the breaking capability Icn have a step of 10 kA (e.g. 40 kA, 50 kA, 60 kA)
Give the rated current In in A and the breaking capability Icn in kA in the following format: In, Icn e.g. 123, 456

2. You want to use a photo from media.formulastudent.de.
Mark the correct answer.

3. A single-cylinder four-stroke engine with a total displacement of 623.7 cm3 has the following theoretical design: piston stroke s = 52 mm, connecting rod length l = 66 mm, piston diameter d = 38 mm. The ignition timing point is given as Sk = 2.0 mm before TDC.
Calculate the ignition timing point in ° crankshaft before TDC. Round to one decimal.

4. In the following there are multiple statements abount the rules. Which statements are correct?

5.

The figure shows a block diagram of a dynamic system.
What is the overall transfer function of the system?
Mark the correct answer.

6. The truss structure shown in the figure is loaded with the forces F1, F2 and F3. The truss structure is supported in points A and B, as shown. Each segment of the truss structure is assumed to have no mass and infinite stiffness.
Identify the zero-force members in the structure under the given load and indicate them by placing a check mark.
You may select one or more answers.

7.

The figure shows a simplified quarter vehicle modal. The drive torque T(M) is the input, the wheel speed W is the output of the system. The torque due to the acceleration of the vehicle is modelled by the constant disturbance d. I models the inertia of the wheel and s is the complex variable of the Laplace transform.

Which statements are correct? Mark all correct answers.

8. In which cases will team members be denied their on-site member pass?
Mark all correct answers!

9. For the shown drive train, the input rotational speed is 3600 min-1, and the number of teeth of the sprocket is z1 = 20.
ease note: n2 = n3, n4 = n5, n6 = n7.
The number of teeth of the sprockets are:
z1 = 20, z2 = 45, z3 = 24, z4 = 55, z5 = 30, z6 = 43, z7 = 15, z8 = 53
Calculate the rotational speed in min^-1 for the final sprocket z8 where the driveshafts are mounted. Round to one decimal.

10. A horizontal pipe increases from cross-section 1 with A1 = 2.55 cm2 to cross-section 2 with A2 = 7.1 cm2. In cross-section 1 there is a pressure of p1 = 1.2 bar and a flow rate of v1 = 5 m/s. The density of water is 997 kg/m3.
Calculate the pressure in bar in cross-section 2 for the flowing water. Round to two decimals.

1. According to the FS Rules and the competition handbook: Which statements are true?

2. In the following there are multiple statements abount the rules. Which statements are correct?

3. In which cases will team members be denied their on-site member pass?
Mark all correct answers!

4. Mark all true statements according to the FS Rules

1. 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.

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

3. 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

4. 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.

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

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

8. 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

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

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

1. A ball at a height of 20ft on Earth with a gravitational field strength of 9.81 N/kg, gained 284 J of gravitational potential energy. Calculate the mass of the ball. Give answer to two decimal place in kg.

2. 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.

3. A helicopter of mass 4200 kg is carrying a crate using a light extensible rope. The crate has a total mass of 800 kg, including its contents. The helicopter and crate are accelerating upwards at 2.0 ms^-2. What is the tension in the rope? Use gravititational field strength g is 9,81 N/kg. Air resistance can be ignored. Give answer to nearest whole number in Newtons

4. Your team is the first car at the design event during FSN2022 and it’s quite cold for this time of the year, 12 degrees C. To impress the judges, you decide to make some tea for them. What is the minimum required time to prepare the tea, knowing that you have to boil 4 tea cups of 370ml each and you have an electrical heater with a power of 500W. Give your answer to the nearest whole number in secs.

5. 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.

6. 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)

7. 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.

8. A lorry contains an engine with a power of 0.255 W. The lorry drives for 51 s. Calculate the energy transferred in Joules and round to one decimal places.

9. You would like to drink a cup of very hot coffee with milk early in the morning, but you
are in a hurry and have only 5 minutes until you have to leave for work. At which time
after brewing should you add the cold milk to the coffee and stir in order to decrease the
temperature of the mixture as much as possible:
a) 0 minutes (immediately),
b) 2 minutes, or
c) 4 minutes?
Suppose that the stirring can be done instantaneously and that you need the last one
minute for drinking.

brew temperature C = 80 ◦C, temperature of milk = M = 10 ◦C, room temperature
0 = 20 ◦C, volume of coffee VC = 300 ml, volume of milk VM = 100 ml, specific heat
capacity of coffee cC = 4180 J/(kgK), specific heat capacity of milk cM = 3500 J/(kgK).

Please enter only the letter of the corresponding answer

10. 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