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MSSC 1
MSSC 1
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1
Originally, the field of mechatronics was intended to be a combination of __________.
Engineers and Maintenance
Mechanics and Electronics
Production and Logisitics
Robots and Sensors
2
Softening metal improves malleability, which is the ability to be __________.
Heat treated
Tempered
Hammered, bent and shaped
Machined
3
What is the resistance between surfaces contacting each other?
Surface Area
Friction
Surface Tension
Tension resistancee
4
What type of hazard is present when working on gearboxes and being exposed to moving parts?
Pinch Point
Chemical
Workload
Ergonomic
5
It is often used to create functional prototypes, mold and mold inserts, and customized parts
The assembly line
Additive manufacturing
Subtrative manufacturing
Process manufacturing
6
_____ is the most well-known form of metal finishing
Plating
Polishing
Painting
Etching
7
Weight is measured in pound-force (lbf) or newtons (N). Weight is the __________ an object is pulled by gravity.
Load
Strength
Force
Pressure
8
A device that transmits force from one point to another for the purpose of work is a __________.
Machine
Mechanism
Machine drive
Mechancial drive
9
Brass and bronze are examples of __________.
Composites
Ferrous metals
Non-ferrous metals
Alloys
10
Horsepower is the US measure for mechanical power. One horsepower equals __________ foot-pounds per second.
2.2
1000
550
60
11
Static and Kinetic frictions are _____ rolling friction
Greater than
The same as
Close to
Less than
12
__________ ceramics consist of clay-based products, glass, and cement.
Engineered
Alloyed
Organic
Traditional
13
The ability to sort products by type by scanning a barcode is an advantage of using a(n) __________.
Audit checklist
Barcode reading system
Coordinate Measuring Machine
Electronic Sensors
14
__________ instructions can be delivered step-by-step, in real-time and in context.
Augmented Reality
Virtual Reality
Manufacturing Reality
Additive Reality
15
A dirty lens is the most likely cause of a(n) __________.
Barcode scanning failure
Bad CMM measurement
Barcode programming error
Bright flashlight
16
The operating temperature range of a gearbox should be considered when selecting _________
Grease fittings
Gear ratios
Proper viscosity of oil
Mounting bolts
17
What SI units of measurement are used for torque?
Newton
Newton-meter
RPM
Kilowatts
18
What is calculated by multiplying the effort force by the distance of the force from the fulcrum?
Tension
Lever force
Rotation
Torque
19
Performing recurring, risky, & laborious tasks with more precision, would be a benefit of implementing a(n) __________.
Quality System
Industrial Robot
Sorting machine
Kanban System
20
Composites consist of two or more __________ that result in improved mechanical properties over individual ingredients
Metals
Ingredients
Polymers
Alloys
21
The ratio of a machine's power output to power input is the machine's _____
Input / output ratio
Friction loss
Efficiency
Inequalities
22
Used in applications such as book storage in libraries, product storage in warehouses, and tooling storage in factories.
Stand alone machines
Automatic Welders
Designer programs
Automated Storage and Retrieval Systems
23
Plastics typically consume __________ of petroleum produced worldwide.
4 %
1 %
Over 15 %
10 - 15 %
24
Hard-wired relay circuits were replaced by what devices?
PLCs
Network Routers
Variable Frequency drives (VFD)
Mainframe Computers
25
The tool changer is a device that allows the robot to perform multiple tasks by changing out __________.
Batteries
Robot Arms
The tool speed
End Effectors
26
torque is a force that _____
makes parts brittle
Transmits force from one point to another
Is not used in a first-clss lever
Makes an object rotate about a point
27
In data analytics, the data must be __________ before being modeled and analyzed.
Calculated and sorted
Revised and input
Invented and inspected
Inspected and cleansed
28
Casting is the process of _____
Forming soft material by hand
Pouring heated liquid into a mold
Cooling heat treated metal
Pressing metal into mold
29
A conveyor is a material handling method that uses a __________ to move material continuously.
Flat cart or dolly
Moving belt or chain driven by a motor
Forklift
Vibrating parts holder
30
How can friction in machines be reduced?
Add lubrication
Make sure all parts are aligned
Replace worn parts
All of the above
31
__________ enable humans to enter information into a machine.
CADs
RCAs
Cams
HMIs
32
The Industrial Internet of Things (IIOT) enables a company to collect data to improve __________ in various processes.
Industrial internet of things (IIOT)
Failure mode and effects analysis (FMEA)
Precision, Quality, Speed and Reliability
Quality Audits (QA)
33
A(n) ____ communication system uses IoT to monitor sensors and output devices to determine when they are about to fail.
Cyber-Physical
Arpanet
Ethernet
Cloud
34
What runs a computer's operating system?
Software
Hard drive
Monitor
Peripherals
35
Chromium is added to steel to form __________.
Bronze
Brass
Pewter
Stainless Steel
36
_______ require programming to operate, but no human intervention during operation.
Autonomous mobile robots
Manual robots
Tugs and Carts
Fork trucks
37
Potential energy is stored energy until it is allowed to move, then it becomes _____
Kinetic Energy
Static Energy
Elastic Energy
Emotional Energy
38
________ is a live view of a physical, real-world environment whose elements are overlaid by computer-generated sensory
Augmented Reality
Manufacturing Reality
Virtual Reality
Additive Reality
39
In addition to material handling, __________ can be also used for repetitive processes in high volume operations.
Sorting machines
Pickers
Forklifts
Autonomous robots
40
Injection molding is a process that _____
Forces material through a die with a fixed cross-sectional shape
Promotes microbial growth in the presence of moisture
Forces molten material into a cavity that is shaped like the final part
Uses plastic trim pieces to conceal rough joints in a finished assembly
41
What type of data analytics should you use if your objective is to present likely options of what might happen?
Diagnostic
Descriptive
Prescriptive
Predictive
42
The rate machines perform work is defined as _______
Horsepower
Mechanical Load
Mechanical Work
Mechanical Power
43
Which of the following would NOT be a typical job for a robot?
Material handling
Welding
Painting
Quality Control
44
Cameras are used in __________ systems to capture/transmit images to a computer.
CMM inspection
Vision inspection
Optical comparitor
Radar
45
Two key reasons that CNC machines are preferred over manually operated machines are:
Better quality parts, lower production cots
Flexible, Modern technology
Reliable, easy to operate
Newer, faster
46
Which class of lever will never have a mechanical advantage greater than 1.0?
Third-class
Second-class
Forth-class
First-class
47
Liquid lubricants like oil are the __________ and best-known types of lubricant
least versatile
Most versatile
Most expensive
Most rare
48
Cast iron and steel are two examples of _____
Base Metals
Precious Metals
Noble Metals
Ferrous Metals
49
_________ use metals, plastics, and other materials in combinations of two or more to obtain the desired properties.
Composites
Refractory ceramics
Aluminum alloys
Ferrous metals
50
CNC (Computer Numerical Control) refers specifically to a computer that controls what aspect of the machine?
The counting process
Memory
Motion
Graphics
51
The articulated robot has a shoulder axis that goes in the __________ directions.
Circular
Over and Under
Up and Down
Left and Right
52
A wheelbarrow is considered what type of lever?
First-class lever
Second-class lever
Third-class lever
Forth-class lever
53
What are edge devices?
Fog computing nodes
Big data storage repositories
Cloud storage units
Sensors and machines that produce data
54
Connected to data systems to coordinate material flow through assembly eliminating the need to check in/out materials
Automated Storage and Retrieval Systems
Manual MH systems
Maintenance repairs
Fork trucks
55
What is the number of teeth on the gear that is turning 1275 rpm, when the driven gear has 90 teeth and turning 425 rpm?
30 teeth
142 teeth
26 teeth
60 teeth
56
Select the positive example of friction
Friction between gears resulting in heat build up
Friction between threaded fastener and material
Friction between swimwear and water
Friction between skis and the snow surface
57
Adhesive bonding is considered a(n) __________ assembly process.
Dangerous
Unreliable
Temporary
Permanent
58
Metal separation is the process of __________.
Removing metals, such as iron, from ore
Breaking the bond between two pieces of metal to disassemble an assembly
Cutting away unneeded material from stock
Sorting metals from other products for recycling
59
Computer chips are created using __________.
Additive Manufacturing
Small scale chip machines
Metal Pressing Technology
Nanomanufacturing
60
Kinetic friction is _____ friction
Unstable
Stationary
Sliding
Static
61
The MA of this lever is 2:1. How much FE would have to be applied to balance the lever, if the load equaled 20 lbs?
40 lbs
20 lbs
Not enough information
10 lbs
62
Nanomanufacturing produces material or devices smaller than nanometer, which is less than __________.
One thousandth of a meter
One billionth of a meter
One tenth of a meter
One millionth of a meter
63
The basic function of a __________ is to change rotary motion to linear motion.
Dwell cycle
Cam
Bearing
Cam key
64
When companies rent the use of software from providers and access the software over the internet = ________
Platform as a Service
Infrastructure as a Service
Smart analyitics
Software as a Service
65
Steel is the __________ manufacturing material in the world.
Most flexible
Most expensive
Most creative
Most popular
66
Pillar of Lean Manufacturing most affected by using IIoT across the supply chain. (control, track production/delivery)
Just-in-Time (JIT)
Jidoka
5S
Total Productive Maintenance
67
Interconnected sensors, various instruments, and computers are used in __________.
Quality Audits (QA)
Industrial internet of things (IIOT)
Scientific advancement (SA)
Failure mode and effects analysis (FMEA)
68
This is an electrochemical process that creates a layer of oxide on non-ferrous metal parts to protect it from corrosion
Anondizing
Powder coating
Painting
Plating
69
Smart fabrics, engineered tissue, fabricated cells, and improved medicines using nanotechnology are examples of ____
Advanced parts
Small scale products
Technical materials
Advanced materials
70
To assemble components that must be disassembled at a later time, use a(n) __________.
Fastener
Chemical Bond
Weld
Adhesive
71
An example of a(n) __________ is 3D printing.
Artificial intellegence process
Machining process
Additive manufacturing process
Subtractive manufacturing process
72
Static friction works against the moving object, kinetic friction works __________
With less force than static friction
Against the moving object
With equal force of static friction
With more force than static friction
73
Barcodes, RFID, NFC, and machine vision are all examples of what type of technology?
Edge and fog computing
Machine learning
Automatic Identification and Data Collection
Artificial Intelligence
74
Friction causes machines to __________ productive power and heat moving parts
Increase
Lose
Create
Stop
75
__________ is a reddish, malleable metal that conducts electricity well and resists weathering.
Steel
Aluminum
Copper
Cast Iron
76
Force is any attempt to change the motion of an object and is measured in __________.
Pounds per square inch (psi)
Foot-pounds (flb)
Pounds per square foot (psf)
Newtons (N) and pound-force (lbf)
77
Ceramics are said to be _______ materials, which means they maintain their shape and strength when exposed to high heat.
Ferrous
Refractory
Malleable
Friable
78
What is the power used to cause a rotary device to rotate?
Rotational speed
Rotary power
Drive power
Linear power
79
Which is a general-purpose industrial computer that has been designed to wire directly to input and output devices.
PLC
CNC
HMI
VFD
80
AI is the development of computer systems to be able to perform tasks that would normally require _____.
Computer intelligence
Human development
Human intelligence
Augmented intelligence
81
__________ metals are resistant to corrosion, lightweight, and bendable.
Ferrous
Nanometer
Non-Ferrous
Composite
82
Laser cutting uses a high powered laser to cut __________ material into __________ shapes.
Metal, very precise
Cloth, accurate
Plastic, square
Iron, I-beam
83
What data can some smart sensors communicate so they can be adjusted or replaced before they fail?
Data about their own health
Data about the proximity of nearby objects
Data about the environmental temperature
Data about the amount of water vapor in the atmosphere
84
Basic mechanisms are levers, inclined planes, and _____
Motors
Cams
Wheels
Gears
85
Predictive maintenance, automated quality testing, and product design programs use __________ to make improvements.
Data Analytics
Electronic Sensors
Flow charts
Office Tools
86
One ton-force is equal to __________ pound-force.
1000
25.4
2.2
2000
87
Which of the following is true of a PLC?
All of the above
Makes decisions based on a custom program
Controls the state of output devices
Continuously monitors the state of input devices
88
Rise, dwell, and return are parts of the _____
Cam motion cycle
Third class lever
Rotary power calculation
Key that holds the cam
89
Engineers and technicians strive for 100% efficiency to use less __________ and generate less heat.
Energy
Time
Fuel
Waste
90
A form of metal separation that uses a cutting tool to carve metal from stock is called __________
Filing
Machining
Grinding
Drilling
91
The force on a spring can be found by measuring the distance the spring changes from its original length, according to ?
Hooke's Spring Rate
Hooke's Constant
Hooke's measure
Hooke's Law
92
Rolling resistance does not have _____
Friction and tension
Static and kinetic friction
Friction and wear
Sliding and friction
93
Moving an object from one point to another is called _____
Mass
Work
Force
Mass and gravity's force
94
Rotary power = (torque × speed) / constant. What is the power? torque = 10 N, speed = 100 RPM, constant = 9.55
955
104.7
9,550
95.5
95
VFDs have become so inexpensive that they are replacing __________ for many constant-speed applications.
Manual motor starters
Magnetic motor starters
Variable frequency drives
PLCs
96
Besides carbon, ferrous metals often contain __________.
Zink
Copper
Boron
Iron
97
Advantages of implementing ____ include reduced production costs, rapid decision making, & expanded operation capability
Data Collection
Motivational speaking
Artificial Analysis
Artificial Intelligence
98
The term "laser" originated as an acronym for __________.
Light emitting transducer
Light amplication by stimulated emission of radiation
Light amplifier and Sound Energy razor
Light and serious emission radiator
99
A playground teeter totter is considered what type of lever?
First-class lever
Forth-class lever
Second-class lever
Third-class lever