Quiz Preparation – UMD Racing e.V.

Quiz „Basics“

1 / 10

What does the red flag mean during the driving disciplines?

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

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

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

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

2 / 10

Which of the following certifications for helmets is not allowed?

a. SFI 31.1/2015

b. Snell SA2020

c. FIA 8861-2018

d. FIA 8860-2010

3 / 10

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

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

b. The vehicle must have passed Technical Inspection

c. The vehicle must be presented without bodywork

4 / 10

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?

a. The Marshals have to get the car back on track

b. The car is not allowed to drive in reverse.

c. When a driver spins the car, it will get a DNF

5 / 10

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

a. Inertia Switch

b. TSAL

c. LVMS

d. BOTS

See FSG Rules 2023 EV6.1

6 / 10

What is the minimum tread depth of the rain tires?

a. 2.1 mm

b. 2.3 mm

c. 2.2 mm

d. 2.4 mm

See FSG Rules 2023 T2.6.1

7 / 10

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. 9.3 dm

b. 1.1 m

c. 1.25 m

d. 0.8 m

See FSG Rules 2023 S3.2

8 / 10

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

a. 60.75

b. 10

c. 115

d. 50.0

See FSG Rules 2023 S2.10.1

9 / 10

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

a. DSS

b. SES

c. TVSD

d. ESF

See FSG Rules 2023 S3.4.1

10 / 10

What is the maximum duration of the Business Plan Presentation?

a. 5 mins

b. As long as the team requires

c. 15 mins

d. 10 mins

See FSG Rules 2023 S1.2.1

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 64%

Quiz „Intermediate“

installation cost: 400.000 EUR
machine cost: 25.000 EUR x 5 years = 125.000 EUR
material cost: 75 EUR x 1300 cars = 97.500 EUR
Total cost: 622.500 EUR
Cost per car: 622.500 EUR /1300 = 479 EUR

1 / 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 1300 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 25.000 EUR per year for the machine operator. The material costs are 75 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

2 / 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

3 / 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. 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

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

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

d. Autonomes System must be deactivated

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

See FSG Rules 2023 A.6.7

See FSG Rules 2023 A5.3.1

4 / 20

A team missed the intial deadline for a document and submitted this 24 hours after the deadline. After that the team’s document got accepted. The team will recieve a 10 point penalty.

a. False

b. True

5 / 20

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.

See FSG Rules 2023 D4.4.3

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

6 / 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. (FS2025 Rules)

7 / 20

The following items have to be on or attached to the push bar, if you are an EV team. (multiple choice)

a. A spare key for the Tractive System Low Voltage Master Switch

b. A shutdown button with a minimum diameter of 24 mm

c. An approved fire extinguisher

d. All ESOQs printed out

e. Red paint

f. Two pairs of high voltage insulating gloves

g. University name written on high contrast background

h. A multimeter with test leads rated for 600V CAT III or better

i. Car number with a character height of at least 20 mm

j. An additional pair of drivers gloves and a spare balaclava

k. Two pairs of safety glasses

l. Contact details of the team captain

See FSG 2023 Rules T13.1

8 / 20

The Electrical System Officer must: (Multiple Choice)

a. Be the one driving the accumulator cart

b. Be on of the members pushing the car with the push bar

c. Present whenever work is performed on the Tractive System

d. Switch off the Tractive System Master Switch during driver change

e. Be a valid team member

f. Be present during driver change

g. be replaced by the ASR if the vehicle has autonomous features and only one ESO is at the event

See FSG Rules 2023 A6.10.2, D7.5.2, D7.5.6, A4.3.4 & A4.4.2

9 / 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

10 / 20

How many percentage of points is the Cost Understanding in the Overall Cost and Manufacturing Event?

a. 40 %

b. 25 %

c. 50 %

d. 30 %

See FSG Rules 2023 S2.10.1

11 / 20

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

a. disqualified

b. 10 secs

c. 0.2 secs

d. 2 secs

See FSG Rules 2023 D9.1.7

12 / 20

How many events may a driver drive during a competition?

a. three

b. two

c. As many as they like

d. one

See FSG Rules 2023 D1.1.2

See FSG Rules 2023 A1.2.7

13 / 20

As a DV-EV Team not competing in DC, what is your maximum total score of Busniess Plan Presentation, Cost and Manufacturing, Skid Pad, Acceleration and Efficiency together?

See FSG Rules 2023 A1.2.7

14 / 20

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, because its red

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

d. No, the button is too small

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

See FSG Rules 2023 T11.4

15 / 20

What is the minimum allowed ground clearance, excluding driver?

a. not defined in rules

b. 25 mm

c. 35 mm

d. 30 mm

See FSG Rules 2023 T2.2.1

16 / 20

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

a. 2

b. 3

c. 4 but one of them has to be a driver

d. As many as they like

e. 2 with an additional Autonomous System Responsible

f. 4

See FSG Rules 2023 A4.3.1

17 / 20

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

18 / 20

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. 1.25 m

b. 0.8 m

c. 9.3 dm

d. 1.1 m

See FSG Rules 2023 S3.2

19 / 20

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

a. 1

b. 4

c. 2

d. Isn't mentioned in the rules

See FSG Rules 2023 T2.6.2

20 / 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

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. Spare TSAC

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

c. Every wire used inside of the TSAC

d. A device above the segments to prevent arc flashes

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

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

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

2 / 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.

3 / 10

Which statements about the travel of the driving pedal is correct

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

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

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

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

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

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

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

FSG Rules 2023: T11.8.1, T11.8.5

4 / 10

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

a. NiMH type cells are allowed

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

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

e. 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

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

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

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

a. The brake light must be a red light on a black surface

b. The brake light must be illuminated when driving into the driver change area

c. The shape of the break light can be a square or a circle

d. Clearly visible from the back at bright sunlight with a viewing angle of at least 30°

e. The brake light measures least 10 cm2 with an even level of brightness

f. The brake light must be functioning even if HV- or LV-power supply failed or is being disconnected

See FSG rules 2023: T6.3

6 / 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)

7 / 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

8 / 10

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

a. All cell voltages that are SCS

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

c. TS current when the LVS is active

d. Cell temperatures of 30% most thermally critical cells

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

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

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

9 / 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

10 / 10

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.

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

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

3 / 10

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

4 / 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

Moment Equation around point D:

0 = -Fc x 1m – (60kN x 3m) x 4m + Ray x 5.5m – 10kN/m

Fc = -190 510 N

Fc = -190.5 kN

5 / 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

6 / 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

7 / 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)

8 / 10

Unit: kg/(m^3), to decimal number seperated by: . (exp. 15.3), write only the number in the field below

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%