Quiz Preparation – UMD Racing e.V.

Quiz „Basics“

1 / 10

For the Cost and Manufacturing discipline, which statement is correct regarding „bought parts“?

a. Modified bought parts are considered "make parts"

b. Any part purchased from a supplier is a "bought part"

c. Only catalog parts may be designated as "bought parts"

d. Bought parts must include all manufacturing emissions in the calculation

2 / 10

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

a. False

b. True

See FSG Rules 2023 IN1.1.1

3 / 10

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

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. Two team members walking on either side of the vehicle

c. Detached master switch

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

See FSG Rules 2023 A.6.7

4 / 10

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. 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

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

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

See FSG Rules 2023 A.6.7

5 / 10

Which of the following must be included in the Bill of Material (BOM)?

a. Consumables

b. Only dry tires and wheels

c. All fasteners

d. All parts fitted to the prototype vehicle at any time during the event

6 / 10

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

a. 35 mm

b. 20 mm

c. 30 mm

d. 25 mm

See FSG Rules 2023 T2.2.1

7 / 10

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

a. In the team’s national currency

b. GBP (British Pound)

c. EUR (Euro)

d. USD (US Dollar)

See FSG Rules 2023 S2.6.4

8 / 10

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

a. 71

b. There is no lower limit

c. 75

d. 70

See FSG Rules 2023 S1.4.7

9 / 10

What is the minimum allowed ground clearance, excluding driver?

a. 35 mm

b. not defined in rules

c. 25 mm

d. 30 mm

See FSG Rules 2023 T2.2.1

10 / 10

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

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 64%

Quiz „Intermediate“

1 / 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

2 / 20

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

a. 2 secs

b. 0.2 secs

c. disqualified

d. 10 secs

See FSG Rules 2023 D9.1.7

3 / 20

For the rain test: (Multiple Choice)

a. The vehicle must have passed the accumulator inspection

b. Components may be used to protect the vehicle from water during rain test

c. All wheels must be removed

d. The water spray can be in front and behind the car

e. Must be in ready-to-drive mode

f. The vehicle will be sprayed for 2 mins at first and again for an additional 2 mins if the officials decide so

See FSG Rules 2023 IN9.2.6, IN9.1.1 (& IN4.1.2) & IN9.2.1

4 / 20

What does the yellow flag mean during the driving disciplines?

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

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

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 D2.1.9

5 / 20

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

a. There is no lower limit

b. 75

c. 70

d. 71

See FSG Rules 2023 S1.4.7

6 / 20

Each team must have two 0.8kg fire extinguishers.

a. False

b. True

See FSG Rules 2022 T13.4.1

7 / 20

What is the minimum height of the university name on both sides of the car?

a. 100 mm

b. 50 mm

c. 150 mm

d. 75 mm

See FSG Rules 2023 T12.2.2

8 / 20

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

9 / 20

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

a. 100 secs

b. 45 secs

c. 120 secs

d. 60 secs

See FSG Rules 2023 IN9.2.7

10 / 20

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

a. 3.5

b. Depends on the run time

c. 0

d. 2.5

See FSG Rules 2023 D5.4.1 or D5.6.2

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

The team at an event with the highest points in the Buisness Plan Presentation but not reaching the finals has 65 points. Your team received 61 points but your team missed their timeslot for BPP. What is your Business Plan Presentation Score? Round to one decimal place

See FSG Rules 2023 S1.4.6 & S1.2.5

13 / 20

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

a. An approved fire extinguisher

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

c. Contact details of the team captain

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

e. Two pairs of safety glasses

f. University name written on high contrast background

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

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

i. Two pairs of high voltage insulating gloves

j. Red paint

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

l. All ESOQs printed out

See FSG 2023 Rules T13.1

14 / 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

15 / 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

16 / 20

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

a. GBP (British Pound)

b. In the team’s national currency

c. USD (US Dollar)

d. EUR (Euro)

See FSG Rules 2023 S2.6.4

17 / 20

The Electrical System Officer must: (Multiple Choice)

a. Be the one driving the accumulator cart

b. Not be the team captain

c. Be one of the members pushing the car with the push bar

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

e. Be present during driver change

f. Present whenever work is performed on the Tractive System

g. Attend a separate ESO meeting on the first day of the competition

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

18 / 20

What is the penatly for driving off course during acceleration?

a. 30 secs

b. disqualified

c. 2 secs

d. did not finish

See FSG Rules 2023 D9.1.7

19 / 20

How far is the car tipped during the tilt test?

a. 30°

b. 60°

c. 50°

d. 45°

See FSG Rules 2023 IN7.1.3

20 / 20

What is the minium number of points your team can get when participating in th BPP finals?

See FSG Rules 2023 S1.4.6

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 57%

Quiz „Electrical“

1 / 10

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

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

b. Unarmored plastic brake lines are prohibited

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

See FSG rules 2023: T6.1.10

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

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

d. NiMH type cells are allowed

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

f. 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

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

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

3 / 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 typically have the highest specific energy

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

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

d. The Nickel based batteries have the lowest nominal voltage

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

no solution currently

4 / 10

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. 4 compartments in series with 4p32s configurations

b. 6 compartments in series with 4p28s configurations

c. 5 compartments in series with 4p22s configurations

d. 4 compartments in series with 6p26s configurations

5 / 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.

6 / 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.

7 / 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 functioning even if HV- or LV-power supply failed or is being disconnected

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

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

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

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

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

See FSG rules 2023: T6.3

8 / 10

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

a. They must be in a rigid and sturdy casing

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

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

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

See FSG rules 2023 T11.7.7

9 / 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)

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

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. 314,12 m^2

b. 281,7 m^2

c. 328,1 m^2

2 / 10

A metal piece heated to

θ_1,M=1000∘C

with a mass of

M_M=6.5 kg

was cooled in a completely heat-insulated iron container filled with water. The mass of the water in the container is

M_W=10 kg

and the mass of the container is

M_B=2 kg.

The initial temperatures of the water and the container were the same and amounted to

θ_1,W=10∘C

. After complete thermal equilibrium between the immersed metal piece, the water, and the container, a temperature of

was established.
What is the average specific heat capacity of the metal piece

c

in the temperature range between

and

Input the result in kJ/(kg*K), round to 3 decimal numbers sperated by a point (example: 0.136).

3 / 10

Calculate the Normal force on the rear left tyre during the first skidpad lap. You can assume, that your vehicle is in a steady-state condition and that there is no longitudinal acceleration. Further it can be assumed, that all 4 wheels have a lateral grip coefficient of 1.4. You can use the centerline radius stated in the rules. Following information regarding the vehicle are given. Give answer to nearest whole number in Newtons.

m = 220 kg

Cl = 3.8

A = 1 m^2

Rho = 1.1 kg/m^3

Wheelbase: L = 1.53

Trackwidth:t = 1.2 m

Height of CG: h = 0.2 m

Weight distribution/COP: 50%

(m*g + 0.5*rho*A*Cl*v^2)*μ = m * (v^2)/R
Calculate max corning speed:
Calculate lateral acceleration: a = v^2/R
Create equation of forces acting on the vehicle to find normal force on rear left tyre:
F= 0.25*m*g + 0.25*0.5*rho*A*Cl*v^2 – 0.5*m*a*h/t

p2 = p1 * (V1/V2)^gamma
gamma= 1.4

4 / 10

An air as an ideal gas expands adiabatic from a volume of V1 = 1,00l with its pressure of p1 = 10^5 Pa to 1/10 of its original pressure. What volume V2 (in litres) does the gas reach after it’s expansion? Round to two decimal places

5 / 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. p1>p2>p3

b. p2>p3>p1

c. p2>p1>p3

d. p2=p1>p3

e. p1=p2=p3

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

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

8 / 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

9 / 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

10 / 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. 177.06°F

b. 254.53°F

c. 308,.64°F

Dein Ergebnis ist

Die durchschnittliche Punktzahl beträgt 0%