Quiz Preparation – UMD Racing e.V.

Quiz „Basics“

1 / 10

1. What must the Technical Vehicle System Documentation include?

a. A video presentation

b. Three technical drawings showing the vehicle from the front, top, and side

c. A written description

2 / 10

2. What is AMS short for?

a. Accumulator Management System

b. Autonomous Models Summary

c. Alternative Manufacturing Solution

3 / 10

3. Which of the following statements about the dynamic disciplines is correct?

a. Burnouts are allowed

b. Drivers may leave the vehicle during the run

c. The vehicle must be able to start and restart without external assistance

d. Push starts are allowed

4 / 10

4. What is the maximum length of time allowed for the driver change in endurance, in order to recieve no penatly?

a. 2 mins

b. as long as the team requires

c. 5 mins

d. 3 mins

See FSG Rules 2023 D7.5.4

5 / 10

5. What is IMD short for ?

a. Instructing Material Disposition

b. Impact Measuring Device

c. Insulation Monitoring Device

6 / 10

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

a. 50 mm

b. 250 mm

c. 200 mm

d. 150 mm

See FSG Rules 2023 T12.2.2 and T12.1.2

7 / 10

7. What is the length of the acceleration track?

a. 100 m

b. 60 m

c. 50 m

d. 75 m

See FSG Rules 2023 D5.1.1

8 / 10

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

a. 20 m

b. 21.25 m

c. 15.25 m

d. various between events

See FSG Rules 2023 D4.1.2

9 / 10

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

a. disqualified

b. 30 secs

c. did not finish

d. 2 secs

See FSG Rules 2023 D9.1.7

10 / 10

10. What is the minimum diameter of the shutdown button in the cockpit?

a. 22 mm

b. 24 mm

c. 20 mm

d. 26 mm

See FSG Rules 2023 11.4.4

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 64%

Quiz „Intermediate“

1 / 20

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

a. 200 mm

b. 250 mm

c. 50 mm

d. 150 mm

See FSG Rules 2023 T12.2.2 and T12.1.2

2 / 20

2. 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

3 / 20

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

See FSG rules 2023:

Minimum dimensions: T5.7.2

4 / 20

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

a. 120 secs

b. 100 secs

c. 60 secs

d. 45 secs

See FSG Rules 2023 IN9.2.7

5 / 20

5. What is the maximum length of time allowed for the driver change in endurance, in order to recieve no penatly?

a. 3 mins

b. 5 mins

c. as long as the team requires

d. 2 mins

See FSG Rules 2023 D7.5.4

installation cost: 400.000 EUR
machine cost: 20.000 EUR x 5 years = 100.000 EUR
material cost: 50 EUR x 1000 cars = 50.000 EUR
Total cost: 550.000 EUR
Cost per car: 550.000 EUR /1000 = 550 EUR

6 / 20

6. 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

7 / 20

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

a. The used sound must be easily recognisable

b. Animal voices, except goat voices, are forbidden

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

d. The maximum duration is one secound

See FSG Rules 2023 E4.12

8 / 20

The Electrical System Officer must: (Multiple Choice)

a. Be contactable by phone from the officials between 8 am and 8 pm during the event

b. Be present during all scrutineerings

c. Be at least 18 years old

d. Be the driver

e. Meet the qualification of working on HV power systems after DGUV 209-093 2E/3E

f. Be the driver if there is another ESO on the team

g. Be a valid team member

h. Have attended an event as a non-ESO in the year prior

See FSG Rules 2023 A4.2.9, A4.3.4 & A4.3.8

9 / 20

9. Your team completes their best manual acceleration run in 6.0 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

Hint: if formula gives a negative answer, then the team only recieve the basic 3.5 points

10 / 20

10. 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

See FSG Rules 2023 S1.4.6

11 / 20

11. 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 ?

a. 0.8 m

b. 1.25 m

c. 1.1 m

d. 9.3 dm

See FSG Rules 2023 S3.2

See FSG Rules 2023 S1.4.7

12 / 20

12. Suppose that 28 teams particpate in the CV category and your team is one of them, there are 6 Busniess Finalist teams among them. The team with the highest points not reaching the finals has 67 points, your team recieved 59 points. What is your Business Plan Presentation Score? Give answer to one decimal place

13 / 20

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

a. 20 m

b. 15.25 m

c. 21.25 m

d. various between events

See FSG Rules 2023 D4.1.2

14 / 20

14. You want to use this shutdown button left and right between the main hoop and the main hoop bracings. Is this application rules compliant?

a. Yes, if the buttons are within a 30 mm range at the same height measure from the bottom to the centre line of the buttons

b. No, the button is too small

c. No, because it should be removable during technical inspection

d. No, the button is not allowed to have a yellow background ring

e. No, because its red

See FSG Rules 2023 T11.4

15 / 20

15. 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.

See FSG Rules 2023 D6.3.2 & D9.1.7

See FSG Rules 2023 S1.4.7

16 / 20

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

17 / 20

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

a. Steering System

b. Electrical

c. Aerodynamics

d. Brake System

See FSG Rules 2023 S2.4.4

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

18 / 20

18.

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)

19 / 20

19. How many events may a driver drive during a competition?

a. one

b. As many as they like

c. two

d. three

See FSG Rules 2023 D1.1.2

20 / 20

20. Which of the following documents is directly evaluated during Engineering Design Event?

a. DSS

b. ESF

c. SES

d. TVSD

See FSG Rules 2023 S3.4.1

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 57%

Quiz „Electrical“

1 / 10

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 / 10

2. 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.

3 / 10

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

a. 6 compartments in series with 4p28s configurations

b. 5 compartments in series with 4p22s configurations

c. 4 compartments in series with 6p26s configurations

d. 4 compartments in series with 4p32s configurations

4 / 10

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

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

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 be protected from short circuits, not more than 100 mm from ungrounded terminals

See FSG rules 2023 T11.7.7

5 / 10

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

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

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

c. The Nickel based batteries have the lowest nominal voltage

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

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

no solution currently

6 / 10

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

a. Cell temperatures of at least 30% of all cells distributed in at least 75% of all segments

b. TS current but only if it can be displayed during technical inspection

c. Cell voltages when the charger is connected to the accumulator

d. All cell voltages that are SCS

e. Cell temperatures of 30% most thermally critical cells

f. TS current when the LVS is active

See FSG rules 2023: EV5.8.1, EV5.8.1 & EV5.8.3, EV5.8.10

7 / 10

7. 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. Unarmored plastic brake lines are prohibited

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

d. 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

See FSG rules 2023: T6.1.10

8 / 10

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

a. Travel is defined by the Torque needed to actuate the pedal

b. Travel is defined by the Perimeter at the widest radius

c. The Power to the motors may not exceed 5kW when pedal is in resting position

d. Travel is defined as the angle from resting position to fully applied in degrees

e. Maximum power is being utilized when the driving pedal is fully applied

f. Travel is defined as a value from 0 to 1

g. At least two separate sensors must measure the position of the driving pedal

FSG Rules 2023: T11.8.1, T11.8.5

9 / 10

9. 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

W = 0.5 * C * U^2

∆W = W_end – W_start = 0.5 * C ((U_end)^2 – (U_start)^2)

10 / 10

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

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 30%

Quiz „General Engineering“

1 / 10

1. 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

2 / 10

2. Calculate the maximum possible cornering speed (in kph) for the following FSAE car when going through a 20 m radius corner.

m = 260kg; cl *A * Rho = -6 kg/m; Tyre coefficient of friction = 1.5; g = 9.81 m/s^2.

The vehicle can be treated as a point mass, driving resistances neglected. Round to 1 decimal

Formula for max corning speed:
(m*g + 0.5*rho*A*Cl*v^2)*μ = m * (v^2)/R

3 / 10

3. 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.

E_new = E_old * (1+0.25)/(1+0.63)

4 / 10

4. 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 = 230mph, μF = 0.17, g = 9.81 m/s2.
Give your answer in meters, rounded to four significant places.

Ekin = 0.5*m*v^2
W = Fr*s = μ*m*g*s
Kinetic energy of the car is completely converted by friction into heat and deformation work W. -> Ekin = W
s= v^2/2*μ*g

5 / 10

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.

a. p2>p1>p3

b. p1>p2>p3

c. p1=p2=p3

d. p2=p1>p3

e. p2>p3>p1

6 / 10

6. Calculate delta_h1 and delta_h2 in mm (integers), seprate the value with a comma, no space in between, delta_h1 is the first value (exp.: 126,4)

7 / 10

An air stream

dot{M}_L = 5.5 kg/s,

cp_L=1 kJ/(kgK)

is to be heated in a plate heat exchanger from

θ_L′=20∘C

θ_L′′=150∘C

. For this purpose, a flue gas stream

dot{M}_R = 7.22

cp_R=1.1 kJ/(kgK)

with a temperature of

θ_R′=300∘C

is available. The overall heat transfer coefficient is

W/(m^2*K)

.
What is the required heating surface AAA if the fluid streams are arranged in counterflow?

a. 281,7 m^2

b. 314,12 m^2

c. 328,1 m^2

8 / 10

8. 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.

Ekin = 0.5*m*v^2
W = Fr*s = μ*m*g*s
Kinetic energy of the car is completely converted by friction into heat and deformation work W. -> Ekin = W
s= v^2/2*μ*g

9 / 10

9. A cat of mass 12 kgs ran at 65mph. What is its kinetic energy? Answer in J to the nearest whole number

KE= 0,5 * m * v^2

10 / 10

10. Frage

a. Depends on y

b. Yes

c. Nein

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 0%