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PLTW POE EOC Review Flashcards | StudBud
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PLTW POE EOC Review
PLTW POE EOC Review
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PLTW POE EOC Test Review
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Which is NOT true of touch sensors? (Cadi)
All are true
Pressed = 1 and Released = 0
A brief wait command can reduce the bounce effect
When pressed, its value may bounce between 0 and 1 briefly
2
What does an idler gear do?
Increase the rpm of another gear
Allows driver and driven gears to rotate in same direction
Changes the gear ratio
Decrease the rpm of another gear
3
How many engineering disciplines does the United States government keep statistics on?
17
All of them
9
4
4
What is the equation for
Work?
W=F*D
W=IR
W=F/D
W=MA
5
What is a schematic representation of an algorithm or a process?
Graph
Tree Diagram
Flowchart
Timeline
6
"For every action force, there is an equal and opposite reaction force" is _________.
Newton’s Third Law of Motion
Newton’s Second Law of Motion
Newton’s First Law of Motion
F=MA
7
Which of the following is NOT an example of a Fuel cell?
Molten carbonate
Wood
Phosphoric acid
Alkaline
8
Where can a user see all of the values of the sensors, timers, and global variables?
Motor & sensor set up window
RobotC platform type
Natural language folder
Debugger window
9
An increase in temperature causes what to molecular motion?
does not effect
increases
decreases
eliminates
10
How do you find the centroid of symmetrical three dimensional object (We didn't get there but make an educated guess)
find the meeting point between 1/3 base and 1/3 height
divide it into simpler shapes
find the meeting points of the lines of symmetry
find the meeting point between 2/3 the base 2/3 the height
11
This force is a measure of the tendency to rotate the body upon which it acts.
moment
pivot
distance
inertia
12
How do you go from Celsius to Kelvin?
Multiply by 9/5 and add 32
Add 32 and divide by 5/9
Subtract 273
Add 273
13
Which of the following is
not
a recycling category?
organics
synthetics
polymers
ceramics
14
___ allow(s) a section of code to be repeated as long as a certain condition remains true. (Some of you got this far)
If statements
Boolean logic
A While loop
Moment
15
How do you find the vertical component of a vector?
Divide the magnitude of the vector by the cos of the angle
Multiply the magnitude of the vector by the sin of the angle
Multiply the magnitude of the vector by the cos of the angle
Divide the magnitude of the vector by the sin of the angle
16
What is used to make notes in code for the human programmers?
Comments
Notes
Bullet Points
Inserts
17
A potentiometer is an input or output?
Input
Output
18
Bricks would be an example of recyclable
polymers
ceramics
composites
organics
19
How do you calculate the moment of an object?
M = Fd
M=IR
M = PF
M = Qw
20
What is the probability of tossing a coin three times and it landing heads up exactly twice?
12.5%
50%
37.5%
25%
21
What simple machine is this?
Lever
Incline plane
Wedge
Screw
22
What is the equation for moment?
Distance x Force
Distance / Force
2 x Distance / Force
Force/ Distance
23
The volume of a gas varies inversely with the pressure exerted on it is known as _________ Law
Charles's
Bernulli's
Boyle's
Gay-Lussac's
24
What is Engineering?
Building simple machines to do tasks
Making the client happy
None of the above
Using math and science to solve practical problems
25
All the following is true about Second Class Levers EXCEPT __________.
Resistance force is between the fulcrum and the effort.
Always has a mechanical advantage
Always has a mechanical advantage <1
Resistance force and effort force are in opposing directions
26
Mrs. Aydlette is running at 100 m/s for 1000 seconds. How far did he run?
1,000,000 meters
10,000 meters
100,000 meters
100 meters
27
What is power measured in?
Watts
Newton-meters
Volts
Joules
28
What is zero Kelvin in Celsius?
32+273
273
-273
273-32
29
A motor is an input or output?
Output
Input
30
What is Resilience? (Think about breaking your bridges)
Test Sample elongation
Energy per unit volume a material can absorb while elastic.
The amount of stretch per unit length.
A measure of stiffness.
