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AR Final Exam Study Guide
AR Final Exam Study Guide
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PLTW GTT AR Final Exam Study Guide
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
Match the mechanism with its picture
Cam and follower
Worm and wheel
Bevel gear
Crank and slider
2
Which mechanism could increase speed?
Cam and Follower
Chain Drive
Lead Screw
Universal joint
3
Match the simple mechanisms with its picture.
Cam and Follower
Lead Screw
Rack and Pinion
Crank and Slider
4
Match the mechanism to its picture
Bevel gear
Rack and Pinion
Belt drive
Chain drive
5
Robots were invented to perform human tasks that were
Dirty
Dangerous
all of the above
Dull
6
Match the mechanism with its picture
simple gear train
belt drive
chain drive
differential gear
7
Speed and torque have an inverse relationship, which means:
When speed increases, torque remains constant
When speed increases, torque increases
When speed increases, torque decreases
When speed decreases, torque decreases
8
Use the table below to answer question.The torque of the output gear is:
Decreasing
None of the above
Constant
Increasing
9
In line 7 there is an error. Identify the error.
The motor is listed wrong.
There should not be parenthesis () in the line.
The semicolon (;) should be a period (.).
The words stop and Motor should be one word without a space
10
Mathematicians
use numbers and symbols to solve problems
apply science and math to designs
create our designed world
investigate our natural world
11
Match the mechanism with its picture
simple gear train
Lead screw
Universal joint
Rack and pinion
12
Match the mechanism with its picture
universal joint
bevel gear
belt drive
Worm and wheel
13
Name the type of movement that rotates in a circle.
Rotary
Linear
Reciprocating
Torque
14
Match the mechanism with its picture
lead screw
bevel gear
crank and slider
belt drive
15
Name the type of movement that is straight in one direction only.
Rotary
Reciprocating
Linear
Oscillating
16
Match the simple mechanisms with its picture.
Beveled Gears
Worm and Wheel
Differential
Simple Gear Train
17
The image to the right is (a)
Analog Sensor
None of the above
Digital Sensor
Motor
18
Use the table below to answer question.What is the gear ratio of the two gears shown?
0:4
4:1
1:4
1:1
19
The team member responsible for building the robot is acting as a/an
all of the above
Electrical engineer
Computer engineer
Mechanical engineer
20
The following image is a(n):
Cortex
Digital Light Sensor
Analog Bumpswitch
Motor
21
Match the mechanism with its picture
universal joint
differential gear
bevel gear
simple gear train
22
Robots used in the military
defuse explosive devices
perform surveilance
all of the above
rescue injured soldiers from combat
23
The team member responsible for wiring the robot is acting as a/an:
all of the above
computer engineer
electrical engineer
mechanical engineer
24
Where would you find a crank and slider?
A bicycle
A cam shaft
A hand drill
A steam locomotive
25
The images to the right are
Digital
Analog
Motor
Vex 269
26
Robots today are used in the fields of
Industry and Medicine
All of the above
Entertainment and Military
Exploration and Assistance
27
Match the simple mechanisms with its picture.
Simple Gear Train
Simple Gear Train with Idler
Beveled Gears
Worm and Wheel
28
What is a negative effect that robots have on society?
Cheaper electronics
Technology
Job loss
Higher gas prices
29
The mechanism to the right
Has a 1:1 ratio
Has increased torque
Is called a simple gear train
Has a 2:1 ratio
30
Use the table below to answer question. The speed of the output gear is:
None of the above
Constant
decreasing
Increasing
31
Match the simple mechanisms with its picture.
Simple Gear Train
Beveled Gears
Simple Gear Train with Idler
Worm and Wheel
32
Where would you find a chain drive
a bicycle
a steam locomotive
a hand drill
a cam shaft
33
The purpose of a gear mechanism is:
Change the speed of movement
All of the above
Change the amount of torque or force available to do work
Change the direction of movement