Quiz Preparation – UMD Racing e.V.

Quiz „Basics“

1 / 10

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

a. USD (US Dollar)

b. GBP (British Pound)

c. EUR (Euro)

d. In the team’s national currency

See FSG Rules 2023 S2.6.4

2 / 10

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

a. 250 mm

b. 200 mm

c. 150 mm

d. 50 mm

See FSG Rules 2023 T12.2.2 and T12.1.2

3 / 10

What is the diameter of the outside skidpad circle?

a. 21.25 m

b. 15.25 m

c. 20 m

d. various between events

See FSG Rules 2023 D4.1.2

4 / 10

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

5 / 10

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

6 / 10

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

a. 60.75

b. 50.0

c. 10

d. 115

See FSG Rules 2023 S2.10.1

7 / 10

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

a. True

b. False

See FSG Rules 2023 S3.2

8 / 10

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

a. As many as the team wants

b. 6

c. 5

d. 4

See FSG Rules 2023 D1.1.1

9 / 10

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

a. 35 %

b. 20

c. 13.3 %

d. 35

See FSG Rules 2023 S3.7.2

10 / 10

How many drivers are allowed to drive in each discipline?

a. 4

b. 2

c. 1

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 64%

Quiz „Intermediate“

1 / 20

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

a. 0.2 secs

b. 5 secs

c. 2 secs

d. did not finish

See FSG Rules 2023 D9.1.7

2 / 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

3 / 20

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.

See FSG Rules 2023 D4.4.3

4 / 20

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)

a. Two team members walking on either side of the vehicle

b. Autonomes System must be deactivated

c. Detachable key/handle of the tractive system master switch must be removed

d. A registered driver wearing the required driver equipment as defined in T 13.3 including helmet, arm restraints and balaclava having full control of steering and braking

e. Vehicles must be pushed at a normal walking pace by means of a red pushbar

See FSG Rules 2023 A.6.7

5 / 20

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

a. 13.3 %

b. 35 %

c. 35

d. 20

See FSG Rules 2023 S3.7.2

6 / 20

What is the penatly for driving off course during acceleration?

a. 30 secs

b. did not finish

c. 2 secs

d. disqualified

See FSG Rules 2023 D9.1.7

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

7 / 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)

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

8 / 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

See FSG Rules 2023 S1.4.7

9 / 20

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

See FSG Rules 2023 S1.4.7

10 / 20

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

11 / 20

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

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

b. The driver must pull into the driver change area for a mechanical inspection of the vehicle

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

d. The driver must pull into the driver change area for discussion with the officials

See FSG Rules 2023 D2.1.10

12 / 20

What is the diameter of the inside skidpad circle?

a. 15.5 m

b. 15.25 m

c. 15 m

d. various between events

See FSG Rules 2023 D4.1.2

See FSG Rules 2023. Correct answers:

A5.3.2 -> deadlines
T12.2.3 -> tyre types
T2.61 -> dry tyres
T12.2.2 -> size of uni name
T2.6.2 -> tyre types

13 / 20

Which statements are correct? (multiple choice)

a. Characters on the university name must be at least 50 mm high on both side of the vehicle

b. The university name needs to be either black on a white background or white on a black background

c. Teams, that submit the SES 170h after the deadline will be de-registered

d. All tyres on the same vehicle must have the same manufacturer and compound

e. Teams, that submit the CRD 50h after the deadline will recieve a 20 points penalty

f. Submission of the IAD 50h after the deadline will result in a 10 points penalty

g. The university name needs to be written in Comic-Sans MS

h. Stroke width and spacing between numbers of the university name must be at least 20 mm

i. The tyres on the vehicle when it is presented for technical inspection are defined as its "dry tyres"

j. The university name needs to be placed on a high contrast background

k. All tyres on the same vehicle must have the same manuafcturer, size and compound

l. All tyres on the same axle must have the same manufacturer, size and compound

m. The tyres on the vehicle when it is presented for technical inspection are defined as its "wet tyres"

14 / 20

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

a. False

b. True

See FSG Rules 2023 IN7.1.3

15 / 20

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

a. 115

b. 50.0

c. 10

d. 60.75

See FSG Rules 2023 S2.10.1

16 / 20

What is the maximum duration of the Business Plan Presentation?

a. As long as the team requires

b. 5 mins

c. 15 mins

d. 10 mins

See FSG Rules 2023 S1.2.1

17 / 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

18 / 20

What are requirements of using a standard Impact Attenuator?

a. Vehicles with aerodynamic devices and/or sensors in front of the front bulkhead must not exceed the peak deceleration for the combination of the IA assembly and the non-crushable object and prove the design does not exceed 120 kN.

b. All of the above.

c. Test data must be provided that the energy absorbed meets or exceeds 7350 J.

d. Test data must be provided by teams that the vehicle will be decelerated at a rate not exceeding 20 g average and 40 g peak.

See FSG rules 2023: T3.19.1 & T3.19.4

19 / 20

Your team completes their best manual skidpad run in 4.3 secs but knocks down 5 cones. The fastest team overall completed their run in 4.9 secs. How many points did your team recieve for skidpad? Round to one decimal place.

See FSG Rules 2023 D4.4.3

20 / 20

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

a. 4

b. 2

c. Isn’t mentioned in the rules

d. 1

See FSG Rules 2023 T2.6.2

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 57%

Quiz „Electrical“

1 / 10

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

a. Only Verilog

b. Neither of these

c. Only VHDL

d. Both

2 / 10

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

Q = I * t

3 / 10

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)

4 / 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

5 / 10

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

a. 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

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

c. Unarmored plastic brake lines are prohibited

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

See FSG rules 2023: T6.1.10

6 / 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

7 / 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)

8 / 10

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. Cell temperatures of 30% most thermally critical cells

c. TS current when the LVS is active

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

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

f. All cell voltages that are SCS

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

9 / 10

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

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

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

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

d. Every wire used inside of the TSAC

e. Spare TSAC

f. A device above the segments to prevent arc flashes

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

10 / 10

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

a. 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

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

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

d. NiMH type cells are allowed

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

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

g. 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

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

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

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 30%

Quiz „General Engineering“

1 / 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

2 / 10

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.

density (rho) = m / V

3 / 10

in cm^3, round to decimal numbers sperated by point (13.5) no unit int the answer

4 / 10

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

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.

KE = 0.5 * m * v^2

6 / 10

In a cylinder, air is compressed isothermally at ambient temperature (

θ_U=20∘C)

p_{1} = 0.1 MPa

p_{2} = 0.5 MPa

Calculate the change in the specific entropy of the air in the cylinder.

Round to two decimal numbers sperated by a point. Input in J/(kgK). (Example -365.26)

7 / 10

Calculate the force Fc working at point C.

Rax = 4kN, Ray = 10 kN

Rbx =5 kN, Rby = 8 kN

Moment equation around point D:

0 = -Fc x 1m + Rby x 2.5 m – 60 kN x 4 m + Ray x 5.5 m

Fc = -165 000 N

Fc = – 165 kN

8 / 10

Calculate the pull force on the plate in Newton. Round to 2 numbers seperated by a point (exanple: 9.13)

9 / 10

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

10 / 10

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

KE=0,5 * m * v^2

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 0%