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WorksheetsRobotics I Test 2 REVIEW
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
In this creative part of the design process, you conjure up as many ideas for solutions as you can document them, thus creating a pool of ideas that can be analyzed and tested.
a)
analyzing
b)
brainstorming
c)
evaluating
d)
creating
2.
In this stage, all the ideas generated by brainstorming are reviewed. The pros and cons of every idea are weighed against one another and the one that best meets the defined need is selected.
a)
evaluation
b)
presentation
c)
analysis
d)
optimization
3.
At the _____________ stage, you build a working model; based on careful calculations and detailed drawings.
a)
prototype
b)
optimization
4.
During this stage the prototype design must be tested to verify that it works and meets all specifications
a)
Brainstorming
b)
Presentation
c)
Testing and Optimization
d)
Analysis
5.
The final stage of the design process; for example - delivering your design to the product department of your company OR demonstration of a patent application OR entering the design into a competition.
a)
Presentation
b)
Testing and Optimization
c)
Analysis
d)
Prototype
6.
Finding a problem at this stage is detrimental; possibly costing your company money. It takes far more time and resources to identify and work out problems at this late stage.
a)
Testing and Optimization
b)
Analysis
c)
Brainstorming
d)
Presentation
7.
The design process is a _______________ process.
a)
linear
b)
circular
8.
One complete cycle through all the steps of the engineering process is called an
a)
full cycle
b)
engineering cycle
c)
interation
9.
It typically takes several __________ of the design cycle to produce and effective solution
a)
duplications
b)
interations
10.
Safety - Keep fingers, tools, and hair away from gears and wheels when the robot power is ______
a)
ON
b)
OFF
c)
connected
d)
wired
11.
A burning smell may indicate damaged _____________. Turn off the robot controller immediately!
a)
controller
b)
mechanical structure
c)
electronics
d)
batteries
12.
Never leave the robot _________________while it is in operation.
a)
connected to the computer
b)
unattended
13.
Make sure the robot has ample space to operate
a)
attached
b)
freely
14.
Do not allow the servo module to run for an extended period of time. The motor could be __________
a)
connected
b)
damaged
c)
reprogrammed
15.
A(n) ____________ is any mechanical device that joins two or more objects together.
a)
plier
b)
Allen wrench
c)
fastener
16.
Do not use physical ____________ to stop the robot or any of its mechanisms.
a)
cables
b)
force
17.
Screws can be identified by all of the following attributes except
a)
Type
b)
Material
c)
Diameter
d)
Color
18.
Screws are categorized by all of the following except
a)
material
b)
function
c)
head style
d)
drive type
19.
All of the following are types of screws except
a)
wood screw
b)
machine screw
c)
set screw
d)
particle board screw
20.
All of the following are drive types of screws except
a)
Circular
b)
Allen
c)
Torx
d)
Square
21.
The direction of the threads on the screw can be
a)
left handed
b)
right handed
c)
either left or right handed
22.
Almost all of the screws in hardware stores are ________; when the screw is turned clockwise it will tighten.
a)
left-handed
b)
right-handed
c)
right and left handed
23.
_______________ screws are used in applications where the screw must remained tight for safety reasons; like lawn mower blades and circular saw blades.
a)
right handed
b)
left handed
c)
right and left handed
24.
The rotation on the circular saw runs _______ from the thread direction on the screw.
a)
the same direction
b)
opposite
25.
An L-shaped tool designed to install screws with a hexagonal socket in the head.
a)
Open end wrench
b)
Screw driver
c)
Nut driver
d)
Allen wrench
26.
A ________ converts electrical energy into mechanical energy.
a)
controller
b)
motor
c)
battery
d)
manipulator
27.
The ______ drives an output shaft that rotates, translating the electrical power into rotational motion.
a)
controller
b)
motor
c)
battery
d)
manipulator
28.
___________- transmit motion and force in machines.
a)
gears
b)
batteries
c)
motors
d)
manipulators
29.
The engagement, or meshing, of gears can affect the rotation of gears in all of the following ways except
a)
change the speed
b)
change the direction
c)
change the axis
d)
manipulate the mechanical structure
30.
In any pair of gears, the larger gear rotates __________ than the smaller gear, but rotates with ______ force
a)
faster, less
b)
slower, less
c)
slower, more
d)
faster, more
31.
______________ are circular gears with straight teeth that are mounted on parallel shafts.
a)
spur gears
b)
patent gears
32.
When two gears are paired together, the size of each gear determines the ________.
a)
sum of the gears
b)
gear ratio
33.
A wheel is a simple machine consisting of a circular frame, with spokes or a solid disk, which can rotate on a(n) _______
a)
arc
b)
itself
c)
shaft
34.
The Vex kit includes all of these types of tires except
a)
knobby
b)
all-purpose
c)
removable
d)
run flat
35.
A ___________ caster can rotate while turning, allowing the wheel to move in many directions.
a)
fixed
b)
swivel
36.
Collars and setscrews prevent ________from coming out of motors, gears, and wheels.
a)
arcs
b)
shafts
37.
____________ is your drive train's worse enemy and should been your first consideration when troubleshooting.
a)
Mechanical structure
b)
Battery power
c)
Wiring
d)
Friction
38.
Always rotate the wheels in your drive train by hand and verify that both sides feel roughly the _______
a)
contrast as needed
b)
same
39.
The controller is the ______ of the robot
a)
brain
b)
mechanical structure
c)
power source
40.
Mount the battery as _______ as possible.
a)
high
b)
low
c)
close to the wheels
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