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FSG 2020 Engineering Quiz

Test your engineering knowledge with our FSG 2020 Quiz! This quiz covers various technical aspects related to vehicle dynamics, braking systems, and materials science. Challenge yourself and see how well you understand the intricate details of automotive engineering.

10 diverse questions
Mix of theoretical and practical problems
Ideal for students and professionals alike

10 Questions2 MinutesCreated by EngineeringEagle512

1)Your front hoop bracing member consists of a round straight tube made out of baseline material with the dimension 25.4mm outer diameter and 1.6 mm wall thickness and a total length ofr 968 mm.

What is the percent increase of the bending stiffness (defines as EI) if you use a round straght closed section tube with the dimension 30mm outer dimeter and 1.5 mm wall thickness. Round solution to one decimal place.

How much percent increase the weight for this tube? [r=7.874 g/cm³] Round solution to one decimal place.

Give your answer in the following format: stiffness inc., weight inc.Example:If the stiffness increase is 45,6% and the weight increase is 23,4% then use 45.6, 23.4 as answer value

2)Which Brake System Plausibility Device (BSPD) circuit is allowed according to the rules? Assume the threshold voltages VHi and VLo to be properly set, and both the brake pressure sensor as well as the tractive system current (P)/throttle position sensor (TPS) to have a positive slope. The power-on-reset (PoR) signal is assumed to switch from low/false to high/true shortly after the power supply for the circuitry is turned on. If there is a high/true input signal to the MOSFET power stage, the MOSFET is in conductiong mode. There is only one correct circuit!

3)For a pneumatic actuated brake system a team is using a pressure bottle with an relative pressure of 50 bar with respect to the atmoshpere and a total inner volume of 4 litre. Consider a portion of tha gas which at 1 bar absolut atmospheric pressure would filll a volume of 0.02m³ is missing in the bottle.What would be the new relative pressure with respect to the atmosphere in the bottle? Enter the solution in bar and round solution to one decimal place.

4)To the lever in a swing-top beer bottle as shown in the picture a force of F=30N will be applied.Given are the three lengths L1=19mm,L2=21mm and L3=44mm.Please calculate the Force F1 with which the cap is pressed to the bottles opening.Consider no movement occurs.Enter the solution in Newton and round to whole numbers.

5) A bell crank (as shown in the picture;dimensions are not to scale) with bearing point [A] is applied with a force F=50N at an angle a=25^o. Consider no movement occurs.Please calculate the absolute value of the force FF in the spring.Enter the solution in Newton and round solution to one decimal place

6) A sinusoid signal gets sampled by an analoge to digital conventer.The frequency of the analoge sine wave is 400Hz,the sampling frequency is 340Hs.What is the frequency of the sampled signal? Enter the solution in Hertz and round to whole numbers

7) What is the dissipating heat energy per hour of a cooling system of an accumulator unit in an EV vehicle when the coolant surrounding the accumulator heats up to 55^oC,the cooling water (c=4.19kj/kgK) circulates with 17 kg/min and the cooler has an outlet temperature of 40^oC (assume the lines as lossless)?Enter the solution in KJ/h and round to whole numbers

8)In the following,there are multiple statements about the rules.Which statements are correct?

1)Teams,that submit the SES 170h after the deadline will be de-registered

2)All tires on the same vehicle must have the same manufacturer,size and compound

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

4)Submission of the IAD 50h after the deadline will result in a 20point penalty

5)The university name need to be places on a high contrast background

6)All tires on the same vehicle must have the same manufacturer and compound

7)The tires on the vehicle when it is presented for technical inspection are defined as its "dry tires"

8)Characters of the university name must be at least 50mm high on both sides of the vehicle

9)Submission of the DSS 170 h after the deadline will receive zero points for the realated event

10)The tires on the vehicle when it is presented for technical inspection are defined as its "wet tires"

11)Submission of the IAD 170h after the deadline will result in a 70 points penalty

12)The university name need to be written in Comic-Sans MS

13)All tires on the same axle must have the same manufacturer ,size and compound

14)Submission of the SES 175h after the deadline will results in a 80 points penalty

15)The university name need to be either black on a white background or white on a black background

16)Teams that submit the CRD 50h after the deadline will receive a 20points penalty

9) The free vertical osxillation of a vehicle without dampers and without rubber damping can be modeled by the differential equation M*y''(t)+K*y(t) =0 with the matrices as given in the figure. The vehicle mass is assumed to be m1=800kg,the axlemass m2=60kg,the spring stiffnesses are k1=170N/cm and k2=1800N/cm.What is the lowest resulting eigenfrequency of the system? Enter the solution in Hertz and round solution to two decimals places

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