DV007
Engineering Challenge Quiz
Test your engineering knowledge and skills with our challenging quiz designed for automotive and electrical enthusiasts! This quiz features 10 thought-provoking questions that delve into various topics such as vehicle dynamics, signal processing, and electromagnetic waves.
- Multiple choice questions
- Covering topics from physics to automotive engineering
- Evaluate your understanding and compare with peers
A car is driving a Skidpad in the middle of the track. The car weights 250kg (incl. Driver) and produces addition 2kN of downforce at a speed of 100kph. The frictioncoefficient is 1,4. What minimum time is achievable?
4.65s
4.37s
4.82s
4.69s
4.77s
4.33s
5.01s
Which is the slip ratio of our car if the we tire radius is 13', RPM motor= 2000 rpm; Transmission ratio = 9,889. The IMU data is Vx= 5,5m/s, Vy=5m/s, Vz= 0m/s
-5,5%
6,0%
-5,9%
0%
-2,7%
7,0%
4,9%
5,5%
5,9%
-4,9%
-6%
2,7%
Considered the slip ratio obtained in the previous question:
The car is braking and slipping because the slip ratio is negative.
The car is accelerating and slipping because the slip ratio is negative.
The car is braking and slipping because the slip ratio is positive.
The car is accelerating and slipping because the slip ratio is positive.
The car is braking and not slipping because the slip ratio is negative.
The car is braking and not slipping because the slip ratio is positive.
The car is accelerating and not slipping because the slip ratio is negative.
The car is accelerating and not slipping because the slip ratio is positive.
There is a signal generator with wire 1 connected to signal amplifier, which is connected to an antenna over wire 2. Wire 1 has a attenuation of 0,5dB Wire 2 has a attenuation of 2,5dB The signal generator has an amplification of 20dB Which power level does the signal-generator has to generate, if the Antenna requires a Input-Power of 100 W? (Answer: Power Level in dBmW, no decimals)
20
21
22
23
24
26
27
29
30
32
33
34
35
36
37
38
39
40
Which transfer function corresponds to the blue bode plot?
G(s)= 5/(s^2+2s+1)
G(s)= 1/(2s+1)
G(s)= 4/(s^2+4s+0,5)
G(s)= 2/(10s^2+s+1)
Which transfer function corresponds to the yellow bode plot?
G(s)= 5/(s^2+2s+1)
G(s)= 1/(2s+1)
G(s)= 4/(s^2+4s+0,5)
G(s)= 2/(10s^2+s+1)
Regarding the Trackdrive, which of the following statements is false?
Straights: No longer than 80 m
Constant Turns: up to 50 m diameter
Hairpin Turns: Minimum of 9 m outside diameter (of the turn)
The minimum track width is 3 m
The length of one lap is approximately 200 m to 500 m.
Starting order may be defined by the officials, based on previous dynamic event results
There will be at least one run consisting of ten laps.
After ten laps the vehicle must come to a full stop within 30 m behind the finish line on the track and enter the finish-state
10 points are awarded for every completed lap
Only 3 teams complete the Trackdrive event. Team 1 completes the 10 laps in 10min consuming 7kWh and regenerating 2kWh. Team 2 finishes the Trackdrive in a total time of 21min, consuming 4kWh and regenerating 1kWh. Your team completes it in 15min consuming 6,8kWh and regenerating 0,5kWh. Which is your final efficiency score?
75 points
86,25 points
100 points
64,69 points
55,48 points
70 points
Consider the red wave shown in Fig. E1.1. What is the wave’s (a) amplitude, (b) wavelength, and (c) frequency, given that its phase velocity is 6 m/s?
A= 6V ; λ = 3 cm ; f= 200 Hz
A= 4V ; λ = 4 cm ; f= 200 Hz
A= 6V ; λ = 4 cm ; f= 150 Hz
A= 6V ; λ = 4 cm ; f= 200 Hz
A= 6V ; λ = 5 cm ; f= 150 Hz
A= 4V ; λ = 5 cm ; f= 200 Hz
A= 6V ; λ = 4 cm ; f= 300 Hz
The electric field of a traveling electromagnetic wave is given by E(z,t) = 10 cos(π ×10^7 t +πz/15+π/6) (V/m). Which is the direction of wave propagation, wave frequency f , wavelength λ, and its phase velocity up?
-z ; f= 5MHz; λ = 20m ; up= 2,5e8 m/s
Z ; f= 7MHz; λ = 30m ; up= 1,5e8 m/s
-z ; f= 7MHz; λ = 30m ; up= 0,5e8 m/s
Z ; f= 5MHz; λ = 30m ; up= 3,5e8 m/s
-z ; f= 5MHz; λ = 30m ; up= 1,5e8 m/s
Z ; f= 5MHz; λ = 20m ; up= 1,5e8 m/s
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