Quiz „Basics“
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1. Which of the following documents is directly evaluated during Engineering Design Event?
See FSG Rules 2023 S3.4.1
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2. What is the minimum height of the university name and the car number added together?
See FSG Rules 2023 T12.2.2 and T12.1.2
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3. What is the length of the acceleration track?
See FSG Rules 2023 D5.1.1
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4. What is the minimum tread depth of the wet tires?
See FSG Rules 2023 T2.6.1
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5. How many pages of text are allowed in the Engineering Design Report? (Multiple choice)
See FSG Rules 2023 S3.2
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6. What does the yellow flag mean during the driving disciplines?
See FSG Rules 2023 D2.1.9
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7. What is not a ’system‘ in the Cost Reports Bill of Material?
See FSG Rules 2023 S2.4.4
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8. What is the minimum number of points a team recieves for finishing an autocross run?
See FSG Rules 2023 D6.3.1
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9. How many dynamic events can one team compete in during a competition?
See FSG Rules 2023 D1.1.3
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10.
A team can register up to how many Electrical System Officers?
See FSG Rules 2023 A4.3.1
Dein Ergebnis ist
Die durchschnittliche Punktzahl beträgt 66%
Quiz neu starten
Quiz „Intermediate“
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1. Your Team Sponsor offers you a Driver’s Harness. After examining the harness and the rules, an engineer in your team reports that the attachment of the harness can not be welded to the chassis structure. Furthermore, the engineer makes 4 statements. Which of these statements is true?
See FSG rules 2023: T4.5.3
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2. 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
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3. Your team recieves 4.7 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
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4. Which of the following requirements is a must for all types of vehicles, when moving the vehicle on the competition site?
See FSG Rules 2023 A.6.7
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5. How many points are assigned for the Overall Vehicle Concept in the Engineering Design Event? (Multiple choice)
See FSG Rules 2023 S3.7.2
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6.
The following items have to be on or attached to the push bar, if you are an EV team. (multiple choice)
See FSG 2023 Rules T13.1
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7. What is the penatly for driving off course during acceleration?
See FSG Rules 2023 D9.1.7
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8. The length of the acceleration track is 75m. Hypothetically the acceleration of the cars is constant, and linear, without slip. The vehicle starts from the starting line of the Acceleration track and then covers 75m. At the finish line, the speed of the racing car is 108 km/h.
How much time (in secs) is needed for the car complete the Acceleration Event and what was the acceleration of the car ( in m/s^2)? Give the answers as whole numbers sparated by a comma (?, ?).
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9. 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)
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10. What is the minimum allowed ground clearance, excluding driver?
See FSG Rules 2023 T2.2.1
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11. How many different tyre sizes can be used on a car during an Autocross run?
See FSG Rules 2023 T2.6.2
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12. What is not a ’system‘ in the Cost Reports Bill of Material?
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13. What is the maximum amount of points a EV team can recieve at an event?
See FSG Rules 2023 A1.2.5
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14. What is the minimum allowed static ground clearance, including driver?
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15. How many percentage of points is the Cost Understanding in the Overall Cost and Manufacturing Event?
See FSG Rules 2023 S2.10.1
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16. What is the minimum score for the third place in the Business Plan finals (with three finalists)?
See FSG Rules 2023 S1.4.7
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17. For the rain test: (Multiple Choice)
See FSG Rules 2023 IN9.2.6, IN9.1.1 (& IN4.1.2) & IN9.2.1
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18. An official has the right to remove the scrutineering sticker from the car, if the car is no longer rule compliant.
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19.
The following parts are part of the Shutdown Circuit (Multiple choice)
See FSG Rules 2023 EV 6.1
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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.
Die durchschnittliche Punktzahl beträgt 50%
FSG Preparation
1. Given is a parallel-plate capacitor with area A, separated by a uniform gap of thickness d1 filled with a dielectric with permittivity ε. At time t1, the voltage of the capacitor is V1. The capacitor is not connected to any electrical network. How much energy is needed to change the plate spacing to d2 = 4 × d1?
2. You built a cannon to impress your friends with a basketball trickshot. It has a railgun-style accelerator with a length / of 1 m. Your cannon is tilted upwards by an angle a of 77.25° and is placed as depicted with the lower part in the origin of the coordinate system. The cannonball has a mass m of 0.567 kg. Assume that the capacitors have a total capacity C of 33 mF, that the standard acceleration due to gravity 9, is 980.665 cm/s^2 and that there is no friction and no energy loss. What voltage do you need to charge the capacitors supplying the railgun to, in order to hit the basket at (4.191 m, 3.05 m). Round to the nearest one.
3.
The figure shows internal single walls of the TSAC and their cutouts. Which of these walls are rules compliant? Mark all correct answers.
4. Fred, the racing alpaca, has made a New Year’s resolution to lose weight to improve his time in Acceleration. Assume that the traction force remains the same, is constant over the entire Acceleration, and that drag or other resistances can be neglected. How much weight must he lose at least to improve his time by 13 %? Answer in % and round to the nearest one.
5. In the following there are multiple statements abount the rules. Which statements are correct?
See FSG Rules 2023
6. The TS of an EV can be simplified to be an ideal TS energy storage and an unshielded TS cable running through free air.
The ideal TS energy storage consists of the following parts: an ideal voltage source V0 supplying 600 V DC at any load an ideal resistor Ri of 28.5 mΩ which combines all resistances in the high current path of the TS energy storage, such as the cell, contact, busbar, wiring, fuse, and outlet connector resistances an ideal circuit-breaker as the main fuse having an appropriate DC voltage rating and a characteristic such that the instantaneous tripping current is 10 times the rated current
The TS cable has the following properties: the cross-section A is 2×6 mm2 the length l is 10 m the specific conductivity κ is 56 m/(Ω*mm2) a 30 % increase in the wire’s resistance covers the thermal behavior and all other effects during a short-circuit event Select the rated current In and breaking capability Icn of the TS energy storage circuit-breaker, such that a short circuit event at any point of the TS wire triggers instantaneous tripping a short circuit event at any point of the TS wire can be interrupted the maximum possible rated current is chosen, although the value might be well above the typical continuous current rating of the cable available values for the rated current In have a step of 10 A (e.g. 10 A, 20 A, 30 A) the minimum possible breaking capability is chosen available values of the breaking capability Icn have a step of 10 kA (e.g. 40 kA, 50 kA, 60 kA) Give the rated current In in A and the breaking capability Icn in kA in the following format: In, Icn e.g. 123, 456
7. Which of the following statements regarding the rules are correct (2024)? Mark all correct answers.
8. Given is the three-dimensional circuit as shown. It consists of three resistors, each 4.7 kOhm, six capacitors, each 470 nF, and three inductors, each 4.7 μH. Calculate the magnitude of the impedance |z| in kOhm between the input and output marked in red for a sinusoidal voltage of 12V and 50 Hz between the input and output. Round to two decimals.
9. A horizontal pipe increases from cross-section 1 with A1 = 2.55 cm2 to cross-section 2 with A2 = 7.1 cm2. In cross-section 1 there is a pressure of p1 = 1.2 bar and a flow rate of v1 = 5 m/s. The density of water is 997 kg/m3. Calculate the pressure in bar in cross-section 2 for the flowing water. Round to two decimals.
10. In which cases will team members be denied their on-site member pass? Mark all correct answers!
Die durchschnittliche Punktzahl beträgt 15%
FSG Preparation Short
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1. According to the FS Rules and the competition handbook: Which statements are true?
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2. Your vehicle has its right-hand base coordinate frame defined with the x-axis pointing forward into the driving direction and the z-axis upwards. A camera is positioned on the vehicle as follows, in the vehicle coordinate frame: x = 500 mm, y = 160 mm, z = 1140 mm and the Euler angles ZY′X′′ roll = 100°, pitch = 0°, yaw = 90° Assume the camera has no distortion, a resolution of 1280 px × 1080 px, and the principal point (cx and cy) and the focal lengths (fx and fy) are given by: cx = 636 px, cy = 548 px, fx = 241 px, fy = 238 px The point (u, v)0 is defined to be (u, v)0 = (-cx, -cy) as commonly used. Within the camera image plane, z-axis in viewing direction, an object center is detected at pixel: u = 795 px, v = 467 px Another sensor determines the euclidian distance of the object to the camera frame as: d = 2.7 m Calculate the 3D position of the object in the vehicle coordinate frame in meter. Round to three decimals. Give the solution in the following format: x, y, z, e.g. 1.234, 5.678, 9.012
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3. A horizontal pipe increases from cross-section 1 with A1 = 2.55 cm2 to cross-section 2 with A2 = 7.1 cm2. In cross-section 1 there is a pressure of p1 = 1.2 bar and a flow rate of v1 = 5 m/s. The density of water is 997 kg/m3. Calculate the pressure in bar in cross-section 2 for the flowing water. Round to two decimals.
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4. You built a cannon to impress your friends with a basketball trickshot. It has a railgun-style accelerator with a length / of 1 m. Your cannon is tilted upwards by an angle a of 77.25° and is placed as depicted with the lower part in the origin of the coordinate system. The cannonball has a mass m of 0.567 kg. Assume that the capacitors have a total capacity C of 33 mF, that the standard acceleration due to gravity 9, is 980.665 cm/s^2 and that there is no friction and no energy loss. What voltage do you need to charge the capacitors supplying the railgun to, in order to hit the basket at (4.191 m, 3.05 m). Round to the nearest one.
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5. The truss structure shown in the figure is loaded with the forces F1, F2 and F3. The truss structure is supported in points A and B, as shown. Each segment of the truss structure is assumed to have no mass and infinite stiffness. a = 2 m, F1 = 6 kN, F2 = 13 kN, F3 = 13 kN Calculate the force in A and B in y-direction in kN. Enter the higher value. Round to one decimal. (answer can be positiv or negativ but only negativ answers will be accepted)
You only have 10 mins to answer all 4 questions!
Sorry, times up!
Quiz „FSG Multiple Choice“
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1. Mark all true statements according to the FS Rules
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2. In the following there are multiple statements abount the rules. Which statements are correct?
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3. In which cases will team members be denied their on-site member pass? Mark all correct answers!
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4. According to the FS Rules and the competition handbook: Which statements are true?
Die durchschnittliche Punktzahl beträgt 0%
Quiz „Electrical“
1. 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
2. Your BSPD has been triggered although the driver did not touch the driving pedal. What could have gone wrong? (multiple choice)
3. Which of the following statements is false regarding the difference between Lead-based batteries, Nickel-based batteries and Lithium-based batteries?
no solution currently
4. 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
5. Which statements about the travel of the driving pedal is correct
FSG Rules 2023: T11.8.1, T11.8.5
6. Which of the following statements about LV battery packs with lithium based chemistry other than LiFePo4 is not true?
See FSG rules 2023 T11.7.7
7. The following processes have to be measured by the AMS. (Multiple choice)
See FSG rules 2023: EV5.8.1, EV5.8.1 & EV5.8.3, EV5.8.10
8. Which of these HV- and LV-components have to be fire-retardant? (Multiple Choice)
See FSG rules 2023: EV5.3.4, EV5.4.6, EV5.5.12
9. Your head of powertrain has found a battery cell with excellent specifications and yet cheap. He decides upon a 142s2p accumulator configuration using the cells with a capacity of 5.8 Ah. The manufacturer specifies an internal impedance of 1.5 mOhm. However, after a while you notice the cells are of horrible quality and their real capacity varies significantly leading to an unbalanced accumulator.
He performed experiements to find an approximation of the cells SoC relation to their open-circuit voltage (EMF) as shown in the following figure:
Assume due to imbalance, exactly half of the accumulators cells are at 40% SoC and half at 80% SoC. What current will be drawn at the maximum allowed power usage? Give answer in Amps to nearest whole number
40% SoC -> 3.7V and 1.6 mΩ and 80% SoC -> 3.8V and 1.2 mΩ, total open-circuit voltage
71*3.7 + 71*3.8 = 532.5V
Total impedance = 71 * (1.6m/2) + 71*(1.2m/2) = 99.4mΩ
V*I = I^2*R * 80kW
I = 155 A
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)
Quiz „General Engineering“
1. 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
2. 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.
3. Calculate the cornering speed during Skidpad (you can use the centerline radius in the rules) using following information:
μ_y = 1.4, m = 240 kg, c_L = 3.2, A = 1 m^2, ρ = 1.1 kg/m^3
It is assumed, that there is no weight transfer and all 4 tires are at the optimal grip level. Answer in m/s rounded to one decimal place.
4. A vehicle with the mass 190kg, wheelbase 1,56m and tyre static radius 222mm is weighed. Scales measure 83kg (front) and 107kg (rear) when the car measured on the perfectly flat ground and the same values when the front axle is elevated by 0,85m. What is the car’s COG height? Give answer to the nearest whole number in mm
Fb‘ = m*g (at rear axle while front tyres are lifted)
Fb = m*g (at rear axle while car standing on ground)
Fg = m*g (at COG)
L = wheel base
sin(θ) = H/L
r= radius of tyre
5. An object is fired vertically upwards from the ground at time t = 0 s in still air at a speed of 8.0 m/s. On the way up, what is the height of the object above the ground when it has a speed of 2.0 m/s. At what time does it reach this height on the way down? Give both answers separated by a comma to one decimal place.
Possible solution:
6. 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)
7. A ball at a height of 20ft on Earth with a gravitational field strength of 9.81 N/kg, gained 284 J of gravitational potential energy. Calculate the mass of the ball. Give answer to two decimal place in kg.
E = m * g * h
8. The given gearbox consists of two gear sets with wheels 1, 2 and 3, 4 respectively. The wheels are fixed to their shafts. Calculate the drive speed (in rpm) of wheel 4?
Given: n1=600 rpm, z1=18, z2=90, z3=24, z4=120
9. 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. An object is fired vertically upwards from the ground at time t = 0 s in still air at a speed of 9.6 m/s. On the way up, what is the height of the object above the ground when it has a speed of 1.9 m/s. At what time does it reach this height on the way down? Give both answers separated by a comma to one decimal place.
