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WorksheetsFinal RA SG2
Total questions: 41
Worksheet time: 21mins
Name
Class
Date
1.
What is one of the most important mechanical problems to overcome in any robotic system?
a)
Gear ratio
b)
Material configuration
c)
Friction
d)
Pneumatics
2.
How will the torque and power of a robot be affected if the tire size is increased, but the driving gear ratio stays the same?
a)
Slower take off speed – Faster top end finish
b)
Faster take off speed – Slower top end finish
c)
Larger the tires – slower the bot but torque power is increased
d)
No change in power, torque, or speed – the gear ratio stayed the same
3.
There are lights on the joystick and micro-controller to the robot for feedback purposes. What does a yellow light on the micro-processor and a green light on the joystick mean?
a)
The joystick is not providing the micro-controller with enough power
b)
The joystick is sucking to much power from the micro-controller
c)
Weak batteries in the micro-controller
d)
There is only 10 minutes of system power left
4.
What is the equation for calculating the speed of an object?
a)
Velocity / Distance
b)
Velocity / Time
c)
Rotational Cycles / Distance
d)
Distance / Time
5.
When a robotic arm is constructed, what relationship to the robot base must always be accounted for?
a)
The traction ratio
b)
The center of gravity
c)
The strength of the end effector
d)
The increased motor amps
6.
What is a robot mechanism designed to pick up a large number of similar objects?
a)
Gatherer
b)
Transducer
c)
Accumulator
d)
Object Grouper
7.
End effectors are generally used to pick up things, so what is the typical gearing found in robotic arms?
a)
Geared down for power
b)
Geared up for power
c)
Usually remain neutral 1:1
d)
Compound gears are never found
8.
What is the first rule of brainstorming?
a)
Only do it if there are at least 3 people
b)
Good brainstorming will allow analysis to be skipped
c)
Never allow outlandish ideas to be spoken
d)
No idea is a bad idea
9.
Your robot just spins its wheels and goes nowhere – what might be done?
a)
Add weight
b)
Change the gear ratio
c)
Change the tire type
d)
All the above
10.
You have a robot that keeps getting hung up at a narrow spot of a maze. What might be done?
a)
Install sonar sensors
b)
Get a more accurate controller
c)
Increase the speed and plow through
d)
Install a robotic arm
11.
What type of decision-making strategy is being exhibited?
a)
Modeling
b)
Statistical
c)
Design Matrix
d)
Decision Tree
12.
What system would the microcontroller be a part of?
a)
The structural system
b)
The propulsion system
c)
The sensor and feedback system
d)
The control system
13.
A robotic arm tower has a tendency to lean. This is what type of poor quality?
a)
Structural
b)
Aesthetic
c)
Perceived
d)
Illusory
14.
A multifunctional, very costly, heavy robot with steel weapon like attachments is designed. Kids love it because it is powerful and indestructible. Parents hate it because it is expensive and appears to be dangerous, so it does not sell very well. How might the perceptions of quality affect the design?
a)
Lighter weight material might be used
b)
Attachments made to look less like weapons
c)
Reduce the cost
d)
All of the above
15.
What does right clicking on the Part in the Model Panel of Inventor and going to Create Note do?
a)
Opens the Text Box
b)
Opens the Engineering Notebook
c)
Opens an email to the Autodesk Corporation
d)
Nothing unless a text box has already been established
16.
What is the figure an example of?
a)
Process and final design notes in an engineering notebook
b)
Egyptian pyramid instructions
c)
An Inventor lesson instructions
d)
A colorful extrusion inclusion
17.
What must be done to all metal parts after they have be cut on the metal saw?
a)
Tempered
b)
Allowed to cool, then filed or sanded
c)
Allowed to cool, then buffed
d)
Straightened
18.
What kind of tools exhibited may be used to obtain precision measurements for Inventor prototype designs?
a)
Clock Jaws
b)
Magna-flux Calipers
c)
Inside Outside Jaw Dimensions
d)
Micrometer Calipers
19.
Using motion constraints, Inventor Studio, and Dynamic Presentations a robot design can be animated to view its behavior. What type of presentation concept do these software applications allow?
a)
Simulation
b)
Static
c)
Prototyping
d)
Mirroring
20.
What is Part A in the illustration?
a)
Chassis Rail
b)
Chassis Plate
c)
Chassis Bumper
d)
Chassis C-channel
21.
What is an important quality issue concerning gears?
a)
Never have a ratio greater than 10:1 or excess friction occurs
b)
Teeth need to be fully meshed but not forced into each other
c)
Teeth need to be about ½ way meshed so as not to cause friction
d)
Axels should never use bearing with gears
22.
If rake1 design was improved to look like rake2 design, what would the improvement be designed for?
a)
Meet a Specific Need
b)
Less cost
c)
More colorful
d)
Stronger
23.
What type of sensor would a light sensor be classified as?
a)
Digital
b)
Analog
c)
Power
d)
Resistive
24.
What is it called when variables, their variable types, and initial values are listed at the beginning of a program?
a)
Listing
b)
Extension
c)
Wrapping
d)
Declaration
25.
What type of information is discrete, finite, and can only be described in two states?
a)
Mathematical Information
b)
Digital Information
c)
Cursory Information
d)
Analog Information
26.
What is a device that converts motion into a series of electrical pulses?
a)
Encoder
b)
PWM
c)
Motor
d)
Controller
27.
What kind of hole is being specified?
a)
Drilled Hole
b)
Tapped Hole
c)
Counter-bore Hole
d)
Counter-sink Hole
28.
Identify the illustration.
a)
TumblerBot Inventory
b)
TumblerBot Instructions
c)
TumblerBot BOM
d)
TumblerBot Options
29.
What intellectual property protections would best describe a patent?
a)
Protection of creative expression that must be in tangible form
b)
Protection of brand names literally marking them for trade
c)
Protection of innovative ideas
d)
Protection of logos
30.
In order to produce a prototype, what step in the design cycle weighs the pros and cons of every idea against one another in order to determine which one best meets the defined need?
a)
Problem Identification
b)
Analysis
c)
Testing and Optimization
d)
Brainstorming
31.
What tool would best be suited for removing a finished part from the hot plate of a 3D printer?
a)
Hands
b)
Shop vacuum
c)
Hammer
d)
Channel Lock
Pliers
32.
What type of sensor is illustrated?
a)
Sonar
b)
Limit Switch
c)
Encoder
d)
Bumper Switch
33.
You are constructing a robotic arm but do not want the shoulder to rotate a full 360°. What might you do? (Choose all that apply)
a)
Operate the shoulder
with a servo motor &Install limit
switches
b)
Use a
pneumatic motor & Install limit switches
c)
Use a continuous motor
d)
Operate the shoulder with a servo motor
34.
You design a robot to autonomously travel a marked pathway, but it passes its first turn by 2 seconds. If it traveled 4.5 seconds, what must you adjust the program time to?
a)
wait1Msec(6500)
b)
wait1Msec(2500)
c)
wait1Msec(2000)
d)
wait1Msec(25)
35.
You’ve designed a light weight, low cost robot, but then you find it is going to be used in a more commercial type setting than it was originally designed for. What is a refinement that might be needed?
a)
Change the light weight
aluminum frame to ABS plastic
b)
Omit the end effector
c)
Change the
plastic gears to metal gears
d)
None of the above
36.
What is automatically a presentation failure and loss of audience attention when using PowerPoint presentation software?
a)
Reading the
PowerPoint from the screen
b)
Blanking the
screen
c)
Using audio-visuals
d)
Using 26 point or larger text
37.
What agency regulates which wireless frequencies can used and the purpose for which they are used in America?
a)
Federal Aviation Agency
b)
Federal RC Commission
c)
Federal
Communications Commission
d)
Federal Communications Agency
38.
What is one of the simplest moveable linkages common to mechanical engineering designs?
a)
Four-Bar Linkage
b)
Elevator Linkage
c)
Rack and Pinion Linkage
d)
Two-Bar Linkage
39.
What component will transmit motion and force in machines?
a)
Bearings
b)
Chassis
c)
Casters
d)
Gears
40.
What component will convert electrical energy into mechanical energy?
a)
Motor
b)
Engine
c)
Convertor
d)
Transformer
41.
How many degrees is the full rotational ability of a VEX servo motor?
a)
120
b)
90
c)
270
d)
360
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