DV011
Engineering Knowledge Quiz
Test your knowledge in engineering and technical concepts through this engaging quiz! Designed for students, professionals, and enthusiasts alike, this quiz covers various subjects including electrical circuits, formulas for mechanics, materials science, and more.
Challenge yourself with:
- 10 thought-provoking questions
- Multiple choice answers
- Instant feedback on performance
Your team submitted a class B document 33 hours late and uploaded an ASF requested correction 169 hours after it was requested. How many points will be deducted from the toal score?
25 points
55 points
45 points
30 points
20 points
15 points
5 points
0 points
You have been de-registered from the competition.
Calculate the total resistance in Ohm of the shown electrical circuit between point A and B if each of the shown resistors have a value of R = 1 Ω.
12/15
13/15
11/15
11/12
11/13
11/8
13/15
12/13
Joe invested $1,000 in Slice Pizza Corp. in 2010 and sold his stock shares for a total of $1,200 one year later. What is his return of investment?
-20%
20%
-80%
80%
120%
-120%
22,74%
-22,74%
33,21%
-33,21%
Regarding certainty or falsehood of the following sentences:
All materials inside the accumulator container must be UL94-V0
FAR are rules prescribed by the Federal Aviation Administration.
UL94-V0 has the same test apparatus as FAR25.853
The specimen's width for FAR25 regulations is 13mm
A Formula Student car with constant power of 75kW, drives two runs of the acceleration with two different drivers. The first driver weights 70kg, and the second one, 60kg. The car weights 200kg and the track is on a positive slope (the final is 1m higher than the begginning). Which will be the acceleration times if acceleration resistance is the only force to overcome?
T1= 2,75s; t2= 2,73s
T1= 1,75s; t2= 1,73s
T1= 2,77s; t2= 2,73s
T1= 2,87s; t2= 2,83s
T1= 2,95s; t2= 2,93s
T1= 2,87s; t2= 2,85s
T1= 2,84s; t2= 2,82s
T1= 2,81s; t2= 2,79s
T1= 2,71s; t2= 2,70s
T1= 2,88s; t2= 2,84s
Considering your acceleration time (from the previous question), which will be your acceleration score if Greenteam is the fastest team with t=2,3s but hits 2 cones; AMZ's best run is 2,7s and E-curie has a time of 2,5s slightly moving a cone of the stopping area.
61,64
65,15
31,33
34,83
46,49
49,99
54,82
58,33
60,91
64,41
The competition is analyzing your Data Logger data for the acceleration and they detect a power peak of 82kW and a Voltage peak of 605V. What happens now?
You get a DQ for that run.
A moving average over 500 ms is applied over the power signal, and the resultant value is 80,05kW, so the run is valid.
A moving average over 500 ms is applied over the power signal, and the resultant value is 80kW, so the run is not valid.
A moving average over 500 ms is applied over the power signal, and the resultant value is 80kW. The same with the voltage, and the average is 601V, so the run is invalid.
A moving average over 500 ms is applied over the power signal, and the resultant value is 80,kW. The same with the voltage, and the average is 600V, so the run is invalid
Regarding the Rockwell Hardness test method. Select all the true statements:
It is used on all metals, except in condition where the test metal structure or surface conditions would introduce too much variations.
It measures the permanent depth of indentation produced by a force/load on an indenter.
It can also be performed on hard plastics.
First, a preliminary test force (commonly referred to as preload or minor load) is applied to a sample using a diamond or ball indenter.
The preload breaks through the surface to reduce the effects of surface defects.
After the preload, an additional load, call the major load, is added to reach the total required test load.
The major load is held for a predetermined amount of time (dwell time) to allow for elastic recovery.
Preliminary test loads (preloads) range from 3 kgf (used in the “Superficial” Rockwell scale) to 10 kgf (used in the “Regular” Rockwell scale).
The Rockwell hardness value is derived from the difference in the baseline and final depth measurements.
Sheet metal is not too thin and too soft for testing on a particular Rockwell scale.
Regarding the certainty or falsehood of these sentences:
The color of the sticker applied on every TS accumulator container shall conform to ISO 3864-1 and ISO 3864-4
The graphical symbol of the sticker must be standardized and registered as IEC 60417-5036
All TS enclousure must have an sticker with the text "Always Energized"
The motor must contain the text "High Voltage"
Our team has the same suspension system for the four wheels and the car weighs 200kg without the driver. The spring constant is defined by: G=1960MPa; d=2mm; D=10mm; N=8. If our driver weights 50kg, which will be the suspension travel?
There is something wrong
25,51mm
10,20mm
10,20cm
127,55mm
127,55cm
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