Quiz Preparation – UMD Racing e.V.

Quiz „Basics“

1 / 10

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

a. 10

b. 50.0

c. 115

d. 60.75

See FSG Rules 2023 S2.10.1

2 / 10

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

a. False

b. True

See FSG Rules 2023 S3.2

3 / 10

What is the diameter of the outside skidpad circle?

a. 15.25 m

b. various between events

c. 21.25 m

d. 20 m

See FSG Rules 2023 D4.1.2

4 / 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?

a. Yes, if the judges consider the vehicle to be in unfinished state

b. No, if a team is present at the event, the judges are obligated to evaluate their performance

c. Yes, if the judges consider the number of the team members present at the discussion insufficient

d. Yes, if the team did not pass any scrutineering prior

See FSG Rules 2023 S3.5.1

5 / 10

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

a. The vehicle must have passed Technical Inspection

b. The vehicle may be presented without having passed Technical Inspection

c. The vehicle must be presented without bodywork

6 / 10

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

a. 0.2 secs

b. 10 secs

c. 2 secs

d. disqualified

See FSG Rules 2023 D9.1.7

7 / 10

What needs to be considered when entering the Dynamic Area?

a. Wearing dynamic vests

b. Having the car nearby

c. Wearing a Helmet: FIA 8860-2010, FIA 8860-2018

8 / 10

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

a. 13

b. 8

c. 10

d. Depends on the run time

See FSG Rules 2023 D6.3.1

9 / 10

What does the red flag mean during the driving disciplines?

a. The driver must be prepared to overtake a slower car on the racing line

b. The driver must slow down, something has happened on track. No overtaking unless directed by track marshals

c. The driver must immediate stop on track in a safe and controlled way

d. The track is slippery. The driver must be prepared for evasive maneuvers to avoid the situation

See FSG Rules 2023 D2.1.8

10 / 10

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

a. 800

b. 600

c. 1000

d. Is different at each competition

See FSG Rules 2023 A1.2.5

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 64%

Quiz „Intermediate“

Steps:

calculate average time between left circle and right circle for each run
add any penalties to these times
decide on the best time of Team A and Team B
slowest time between these two best times is T_team
fastest time between these two best times gets multipled by 1.25 and is T_max
use formula from FSG Rules 2023 D4.4.3

1 / 20

Assuming the skid pad event has only two participants, both EV without driverless. Team A and Team B: calculate the score rounded to two decimals for the team scoring the lower amount of points using the following data. (FS 2025 Rules)

2 / 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.

See FSG Rules 2023 D6.3.2 & D9.1.7

3 / 20

How far is the car tipped during the tilt test?

a. 50°

b. 60°

c. 45°

d. 30°

See FSG Rules 2023 IN7.1.3

4 / 20

What is the diameter of the outside skidpad circle?

a. 20 m

b. various between events

c. 21.25 m

d. 15.25 m

See FSG Rules 2023 D4.1.2

5 / 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.

See FSG Rules 2023 A1.1.3, D6.3.2 & D9.1.7

6 / 20

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

a. Depends on the run time

b. 3.5

c. 0

d. 2.5

See FSG Rules 2023 D5.4.1 or D5.6.2

7 / 20

Your team recieves 14.7 points for their autocross run. The fastest time overall was 69.1 secs. How long was your team’s fastest run? Round to one decimal place.

See FSG Rules 2023 D6.3.2 & D9.1.7

8 / 20

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.

See FSG Rules 2023 D5.4.2

9 / 20

Your team completes their best autocross run in 71.2 secs. The fastest team overall completed their run in 71 secs. How many points did your team recieve for autocross? Round to one decimal place.

See FSG Rules 2023 D6.3.2 & D9.1.7

10 / 20

What does the red flag mean during the driving disciplines?

a. The driver must be prepared to overtake a slower car on the racing line

b. The driver must immediate stop on track in a safe and controlled way

c. The track is slippery. The driver must be prepared for evasive maneuvers to avoid the situation

d. The driver must slow down, something has happened on track. No overtaking unless directed by track marshals

See FSG Rules 2023 D2.1.8

11 / 20

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.

See FSG Rules 2023 D6.3.2 & D9.1.7

12 / 20

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

a. Brake System

b. Steering System

c. Electrical

d. Aerodynamics

See FSG Rules 2023 S2.4.4

13 / 20

Your team reiceves 59.3 points for their autocross run. The fastest time overall was 71.9 secs. How long was your team’s fastest run? Round to one decimal place.

See FSG Rules 2023 D6.3.2 & D9.1.7

14 / 20

An official has the right to remove the scrutineering sticker from the car, if the car is no longer rule compliant.

a. True

b. False

15 / 20

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

a. 24 mm

b. 45 mm

c. 32 mm

d. 40 mm

e. 41 mm

DOO Penatly in autocross is 2 secs per cone

Re-arrange formula from FSG Rules 2023 D6.3.2

Plug values into formula (don’t forget that Tmax is 1.25x the best time from all teams including penalties)

16 / 20

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.

See FSG Rules 2023 D4.4.3 & D9.1.7

17 / 20

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

a. 13

b. 8

c. Depends on the run time

d. 10

See FSG Rules 2023 D6.3.1

18 / 20

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

a. The used sound must be easily recognisable

b. It can be similar to the road noise, but must be louder

c. The maximum duration is one secound

d. Animal voices, except goat voices, are forbidden

See FSG Rules 2023 E4.12

19 / 20

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

a. Isn’t mentioned in the rules

b. 1

c. 2

d. 4

See FSG Rules 2023 T2.6.2

installation cost: 400.000 EUR
machine cost: 20.000 EUR x 5 years = 100.000 EUR
material cost: 70 EUR x 950 cars = 66.500 EUR
Total cost: 566.500 EUR
Cost per car: 566.500 EUR /950 = 596 EUR

20 / 20

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 950 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 70 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

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 57%

Quiz „Electrical“

1 / 10

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

a. Every wire used inside of the TSAC

b. Both layers of the fire wall including the material that bonds them together

c. A device above the segments to prevent arc flashes

d. An LV energy storage with a lithium iron phosphate chemistry

e. Spare TSAC

f. A dividing element between the main fuse, the AIRs and the rest of the TSAC

See FSG rules 2023: EV5.3.4, EV5.4.6, EV5.5.12

2 / 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.

Circuit’s current: MOSFET will operate in linear zone, close to the activation voltage. Therefore, as VGSth is 4V, VS can be taken as 8V. From these 8V and the 47R current limiting resistor, the discharge current of the circuit will be 8/47->0,17A
As the constant current discharge of a capacitor depends on capacity, as V=i·t/C->
t=V·C/i=(565-60)·0,0012/0,17=3,56s

3 / 10

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.

4 / 10

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

a. There must be inspection holes in the side wall and the bottom of the TSAC if the wall thickness cannot be determined otherwise

b. If carried out correctly, a three-point bending test is sufficient to prove adequate strength of composite material used for a TSAC if the data and photos are provided in the SES

c. The TSAC can be protected from rear impact by a square tube with an edge length of and a wall thickness of 1.2 mm

d. All electrical safety items used for working on the accumulator must be rated for 1000 VDC

e. NiMH type cells are allowed

f. The maximum temperature limit for LiFePo4 cells is 60°C

g. The ESO’s name and phone number can be displayed in characters with a height of 25 mm on the TSAC’s lid

h. Accumulator container attachments can be made of 1 mm thick steel

See FSG rules 2023. Correct answers:

EV5.5.5
T 3.2.1, T 3.15, 5.5.2, Asquare tube=90.24 mm²
EV 5.5.14
IN 3.2.2 only for TS voltage

5 / 10

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

a. The brake over travel-switch must be of the type single pole, single throw switch

b. The brake pedal and its mounting must be designed to withstand a force of 2kN without any failure of the brake system

c. The first 90 % of the brake pedal travel may be used to regenerate brake energy without actuating the hydraulic brake system. The remaining brake pedal travel must directly actuate the hydraulic brake system, but brake energy regeneration must not remain active

d. Unarmored plastic brake lines are prohibited

See FSG rules 2023: T6.1.10

6 / 10

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

a. The Lithium-based batteries can achieve specific energies of over 200 Wh/kg

b. The Nickel based batteries have the lowest nominal voltage

c. The Nickel based batteries typically have the lowest specific energy

d. The Lithium-based batteries typically have the highest specific energy

e. The Lead based batteries typically have a nominal voltage of 2V

no solution currently

7 / 10

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

a. Only VHDL

b. Only Verilog

c. Neither of these

d. Both

8 / 10

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)

series connection: L = 0.5 H + (L1*L2)/(L1 + L2) = 0.7 H
sub-in and rearrange to Solve for L2: (2L2)^2/(3L2) = 0.2 H
sub-in L2 to find L1

9 / 10

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

a. They must be protected from short circuits, not more than 100 mm from ungrounded terminals

b. They must be in a rigid and sturdy casing

c. They must be enclosed in a non-conductive, waterproof and acid resistant container

d. They must include overcurrent protection that rips at or below the maximum specified discharge current of the cells

See FSG rules 2023 T11.7.7

10 / 10

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

E_new = E_old * (1+0.27)/(1+0.69)

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 30%

Quiz „General Engineering“

1 / 10

What temperature would occur at the stagnation point of an aircraft flying at a speed of

V_{1} = 2000 km/h

, assuming that the air behaves as an ideal gas under these conditions? The temperature of the undisturbed air is theta_1 = -30°C.

a. 308,.64°F

b. 254.53°F

c. 177.06°F

2 / 10

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.

P = E/t = W/t

3 / 10

Frage

a. Yes

b. Depends on y

c. Nein

4 / 10

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.

Q= m * c * Δ𝑇
P * t = Q
Sub-in equations and rearrange for t

5 / 10

How high (in m) can a column of liquid be lifted by a reciprocating piston, neglecting leakage and losses, if the air pressure is 101300 Pa and the pressure p₁ approaches zero?

Example Input 14.3 (use a point, no unit)

6 / 10

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 / 10

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.

p2 = p1 * (T2/T1)

8 / 10

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.

E = 0.5 * k * e^2

9 / 10

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.

a. p2>p3>p1

b. p2=p1>p3

c. p2>p1>p3

d. p1>p2>p3

e. p1=p2=p3

10 / 10

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).

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 0%