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Quiz Preparation

36

Quiz „Basics“

1 / 10

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

2 / 10

Are teams allowed to decide whether they drive on rain tires or slicks by themselves?

3 / 10

What must the Technical Vehicle System Documentation include?

4 / 10

Which of the following certifications for helmets is not allowed?

5 / 10

What is IMD short for ?

6 / 10

What penalty is given for a doo in Skidpad?

7 / 10

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

8 / 10

What is the maximum amount of points a EV team can recieve at an event?

9 / 10

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

10 / 10

What is the penatly for driving off course during endurance?

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49

Quiz „Intermediate“

1 / 20

What is the length of the acceleration track?

2 / 20

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.

3 / 20

In the event of unsportsmanlike conduct, 25 penalty points will be deducted from the team’s overall score. A second violation will result in an additional 100 penalty points deducted from the team’s overall score.

4 / 20

Which of the following statements are wrong? (Multipel Choice)

  • 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

5 / 20

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

6 / 20

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

7 / 20

How many manual dynamic events can one team compete in during a competition?

8 / 20

An official has the right to remove the scrutineering sticker from the car, if the car is no longer rule compliant.

9 / 20

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

10 / 20

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

11 / 20

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

12 / 20

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

13 / 20

Your team completes their best autocross run in 71.9 secs but goes off course once and knocks over two cones. The fastest team overall completed their run in 73.2 secs. How many points did your team recieve for autocross? Round to one decimal place.

14 / 20

What does a black flag mean?

15 / 20

What are not the diameter of the skidpad circles? (Multiple choice)

16 / 20

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

17 / 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.

18 / 20

Your team completes their best manual acceleration run in 4.1 secs. The fastest team overall completed their run in 3.2 secs. How many points did your team recieve for acceleration? Round to one decimal place.

19 / 20

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

20 / 20

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

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4

Quiz „Electrical“

1 / 10

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

2 / 10

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

3 / 10

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

4 / 10

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

5 / 10

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

6 / 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)

7 / 10

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

8 / 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

9 / 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

10 / 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.

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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 ′ to 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 k=15 W/(m^2*K).
What is the required heating surface AAA if the fluid streams are arranged in counterflow?

2 / 10

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

3 / 10

The magnitude of the manifold reaction force FK is to be determined. In Newton, integer, no unit in the answer

4 / 10

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

5 / 10

In a cylinder, air is compressed isothermally at ambient temperature (θ_U=20∘C) to .
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)

6 / 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 θ2=80∘C was established.
What is the average specific heat capacity of the metal piece cc in the temperature range between 80∘C and 1000∘C?

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

7 / 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%

8 / 10

Using an indicator, the cylinder pressure can be plotted as a curve over the piston stroke. The curve recorded for the compression stroke of an internal combustion engine can be approximated by the relationship p⋅V^n=const..
What is the amount of work done by the volume change if the following values are given?

given: V_1=10^-3 m^3; p_1=0.1 MPa; p_2=3 MPa; n=1.3

Round to one decimal number seperated by a point. Input in Joul without writing the unit in the field below (example: 152.9).

 

9 / 10

A spring in a car’s suspension has elastic potential energy store 226 J. If the spring constant is 8.1N/mm, find the extension. Give answer in meters to three significant figures.

10 / 10

A cantilever is subjected to forces F1 to F4. Determine the bar force .
Given F1=F4=F, F2=F3=2F, a

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