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