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WorksheetsEngineering EOPA Review 2
Total questions: 120
Worksheet time: 1hrs 15mins
A machine that turns a workpiece in a cylindrical chuck while a cutting tool removes unneeded material is called a...
A stationary machine that spins a circular saw blade on a flat table, typically used for cutting large pieces of wood, is a...
A portable power tool that uses a vertical saw blade that cuts by rapidly moving the thin blade up and down is called a...
A machine that works by spinning a vertical cutting tool while moving a workpiece beneath it to remove material is called a...
grinder
cutter
drill
mill
Which of the inventors and inventions listed here were NOT primary contributors to the process of mass production developed in the 1800s and early 1900s?
Eli Whitney (mass production)
Henry Ford (moving assembly line)
James Watt (steam engine)
Gaston Planté (rechargeable battery)
A tool used to assist in making long, continuous, straight cuts in material like plywood is a...
rip fence
miter box
leveler
What does the symbol seen here stand for?
mean
sum
reciprocal
standard deviation
What does the symbol seen here stand for?
mean
sum
standard deviation
mode
What does the symbol seen here stand for?
Sum
Mean
Reciprocal
Standard Deviation
The process of pouring molten material (usually metal) into a pre-made mold to produce parts is called...
Which of the following are project managers NOT responsible for?
Deadlines
Schedules
Resources
Blueprints
Which two organizations are in charge of most standards related to measurements?
When working with tools or machines, _______ is always required.
steel-toed boots
PPE
supervision
certification
Using the information given below, determine the break-even point.
FIXED COSTS = $35,000
VARIABLE COST PER UNIT = $1,500
UNIT PRICE = $2,000
35 units
50 units
70 units
125 units
Which of the following formulas is used to determine the area of a circle?
A = πr2
A = 0.5πr2
A = 2r2
A steel container weighing 90 pounds has a coefficient of friction of 0.61. How much force is required to move this box on a dry and clean surface?
The ability of a material to be stretched into a longer, thinner shape is called...
The ability of a material to be hammered into a thin sheet without breaking or tearing is...
The ability of a material to resist abrasion, such as scratching, is...
A material's ability to return to its original shape after being deformed, such as through stretching, is...
A material's ability to be molded, shaped, or formed without sustaining damage is called...
plasticity
The ability of a material to resist being pulled or stretched without breaking is called...
What type of line is shown here?
Hidden
Center
Phantom
Object
What is the difference between a ferrous and a non-ferrous metal?
Twin brothers on opposite sides of the yard thrown identical snowballs at each other. The snowballs both travel upward at a 45-degree angle at equal speed. At what angle, relative to the ground, will they travel in after they collide?
Which of the four figures shown below is the left side view of the object seen here?
Brick, block, stone, and mortar are all examples of materials used in...
Masonry
Woodworking
Metallurgy
Blockwork
Pine, maple, oak, and elm are all examples of materials used in...
Masonry
Woodworking
Metallurgy
Blockwork
Which of the following is NOT an ideal material to use for a project in a high school classroom?
Styrofoam
Balsawood
PLA (3D-printing plastic)
High-strength steel
What is the quickest way to temporarily join together two workpieces together during assembly?
Clamps
Glue
Nuts and bolts
Screws
What is the most secure way to temporarily join together two workpieces together during assembly?
Clamps
Glue
Nuts and bolts
Screws
Which of the following is NOT an example of a constraint?
Budget
Time
Usability
Materials
Which of the following is NOT an example of a criterion?
Performance
Time
Aesthetics
Reliability
Adding ______ to steel increases its hardness.
A type of structure made from interconnected triangles and frequently used in the construction of bridges, buildings, and other structures is called a...
Injection molding is a common manufacturing process for mass producing parts made of...
metal
glass
plastic
wood
Watts, the unit for electrical power, are measured using the formula...
The lever, wedge, screw, inclined plane, pulley, and wheel and axle are examples of...
Fluid power systems that utilize pneumatics are powered by...
Systems that utilize by hydraulics make use of...
Liquid lubricants
Electricity
Water
Compressed air
Electrical components that store electrical charge using a magnetic field are called...
Electrical components that act as electric switches or current amplifiers in a circuit are called...
Electrical components that store electrical charges using an electrical field are called...
Electrical components that impede or restrict the flow of electricity in a circuit are called...
Fluid power systems that utilize liquids, such as oil or specialized fluids, are called...
A stationary power tool that utilizes a long, thin blade continually rotated between two wheels to cut into a workpiece is called a(n)...
Petroleum, natural gas, and coal are collectively referred to as...
A document kept by engineers in which they record all their ideas, sketches, tests, and other information about a design are project is called a design...
notebook
log
journal
portfolio
This word is used to describe how the design process repeats, with new improvements and innovations to a design occurring each time it is gone through.
Iterative
Cyclical
Linear
Circular
When an engineer holds of highest importance the safety, health, and welfare of the public, he is keeping _______ concerns first.
ethical
economic
social
dynamic
Used with computer-controlled machinery, what does the acronym CNC stand for?
Used for a manufacturing system that emphasizes production efficiency and minimal to no inventory, the acronym JIT stands for...
Just In Time
Joint Interest Test
Jump-In Trigger
Joint Inventory Team
The acronym PPE stands for...
When a job is is moved from a local or in-house source to a foreign or out-of-house source, it is referred to as...
The most common type of home (residential) foundation used in earthquake-prone areas is a(n)...
slab foundation
crawl space foundation
basement foundation
stick and beam foundation
This term is used to describe the ratio of force or distance going into a machine compared to the force or distance coming out of a machine.
The very first step competed in the engineering design process is...
define the problem
brainstorm
research ideas and explore possibilities
specify criteria and identify constraints
The term for getting the maximum desired result from a system while giving the minimum possible effort is...
Which of the following actions should be taken if a prototype power supply is running hot in a test within the enclosure?
remove the power supply from its enclosure
redesign the circuit to increase the power drawn
place an auxiliary fan to blow across the enclosure
increase the fan capacity of the power supply
What type of coating is best on an outdoor catwalk made of low carbon steel and used in a refinery?
Anodized
Galvanized
Latex-based paint
Oil-based paint
When using a drill press to drill a hole near one end of a ruler, you should...
make sure the long end of the workpiece is to your right
securely clamp the workpiece in a vise
hold it firmly with your free hand
secure the workpiece in a V-block
The part used to insert or remove a tool from a drill press is the...
drill bit
power switch
chuck key
handle grip
A critical component of a drill press, without which the press will not work, is the...
drive belt
hold-down clamp
chuck key
motor cover
Juan and Evelyn are on a see-saw that is fifteen feet long. Juan weighs 150 pounds and Evelyn weighs 100 pounds. How far away from the fulcrum (center) should Juan sit to balance the see-saw?
3 feet
6 feet
9 feet
12 feet
Using the spreadsheet seen here, which formula correctly calculates the average height of the eight students?
=AVERAGE(B3:B10)/8
=MEDIAN(B3:B10)/8
=AVERAGE(B3:B10)
=MEDIAN(B3:B10)
Critical thinking skills would be best applied to which of the following?
Choosing the cheapest vendor for a part.
Determining how many customers are happy with a product.
Calculating what size hydraulic cylinder to use in a project.
Forming an opinion on artificial intelligence.
Which of the following is a characteristic of effective communication?
Leadership
Creativity
Open discussion
Education
Strong technical communication skills would be most helpful for which of the following tasks?
Designing a more comfortable computer mouse
Developing an advertising campaign for a children's toy
Updating the user interface on an ATM machine
Writing the repair manual for a commercial printing press
Many factors are taken into account when choosing members of an engineering team. Which of the following would be most important when assembling an engineering team to design a new piece of playground equipment?
Drawing ability
Salary
Skills
Certified engineer
During a monthly meeting with all four members of the engineering department at a garden tool manufacturer, the company owner asked the senior engineer about the progress of an ongoing project called the "Super Shovel". The senior engineer shuffled his feet, looked toward the floor and said "The shovel project is okay." Another engineer working on the project started sweating and the two other members of the team briefly looked at each other and then back to the notes in front of them. What can be concluded from this?
The project is likely not meeting expectations.
The project is moving forward as planned.
The senior engineer is an open communicator.
The project needs more funding.
When generating ideas, an important source of information that is often overlooked is input from your...
customer
company
boss
intuition
Computer models that allow you to actually test a design for weaknesses in a virtual setting is a common use of FEA, which stands for...
First Edition Allocation
Final Estimate Allowance
Finite Element Analysis
Finished Earnings Aggregation
The federal organization that monitors businesses and industry to ensure they maintain a safe working environment is...
Occupational Safety and Health Administration (OSHA)
Workplace Health and Safety Bureau (WHSB)
Business Regulatory Authority (BRA)
Federal Safety Commission (FSC)
A force that tries to force an object to move in two different directions simultaneously, like scissors cutting paper, is called a _______ force.
torsion
compression
tension
When you made your cardboard chairs, you learned that cardboard tends to be very resistant to a "pushing in" or squeezing force, better known as...
compression
shear
tension
torsion
When an object or material is being twisted, the force it is experiencing is called...
Twistion
Torsional Force
Twist Force
Torsion
When an object is being pulled on hard enough to experience stress, it is experiencing a _______ force.
compressive
tension
shear
normal
The study of making workplace or home environments and products more efficient and comfortable is called...
biotechnology
anthropology
ergonomics
psychology
The formula for force output of a hydraulic cylinder is...
Force = Pressure / Area
Force = Pressure + Area
Force = Pressure - Area
Force = Pressure * Area
On a screw identified as a #4-40 UNC-3A x .5, what does the "#4" tell you about the screw?
The length of the screw
The thread pitch of the screw
The type of metal used in the screw
The diameter of the screw
On a screw identified as a #4-40 UNC-3A x .5, what does the "40" tell you about the screw?
Material composition
Head type
The length of the screw
Screw threads per inch
On a screw identified as a #4-40 UNC-3A x .5, what does the "UNC" tell you about the screw?
The threads are Unified National Coarse
The threads are Ultimate New Coarse
The treads are United Newly Created
The threads are Ultimate Natural Coarse
On a screw identified as a #4-40 UNC-3A x .5, what does the "3A" tell you about the screw?
The tightness of the thread fit
The total number of threads on the screw
The width of the screw
The length of the screw
On a screw identified as a #4-40 UNC-3A x .5, what does the ".5" tell you about the screw?
The material the screw is made of
The length of the screw
That the screw is self-tapping
The type of screwdriver needed to screw it in
Which of the following is NOT a reason for implementing a Quality Control (QC) program in a factory?
Improving company reputation
Improving product quality
Lowering final costs
Lowering customer expectations
The process of disassembling a product to study individual parts so you can learn how it works and reproduce it is called...
Backwards Engineering
Forward Engineering
Reverse Engineering
Inverse Engineering
In a technical drawing, which of the following symbols is used to indicate the center of a circle?
+
-
x
#
The main processes used in technology are separating, forming, combining, conditioning, and finishing.
Which of the following is NOT an example of separating?
Gluing
Sawing
Drilling
Milling
The main processes used in technology are separating, forming, combining, conditioning, and finishing.
Which of the following is NOT an example of forming?
Molding
Forging
Casting
Welding
The main processes used in technology are separating, forming, combining, conditioning, and finishing.
Which of the following is NOT an example of combining?
Gluing
Welding
Smoothing
Fastening
The main processes used in technology are separating, forming, combining, conditioning, and finishing.
Which of the following is NOT an example of finishing?
Painting
Sawing
Smoothing
Coating
Because they form strong ________ bonds, thermoplastic materials stretch, rather than break, when heated.
ionic
hydrocarbon
covalent
metallic
The technology of putting together materials and mechanical parts to create supports, shelters, containers, etc. is considered...
Thermal technology
Structural technology
Electronic technology
Materials technology
The need for engineers to be impartial and honest and use their skills advance and improve the state of mankind is a(n) __________ concern.
Ethical
Transactional
Legal
Financial
Throughout the design process, the most important decisions a person or team can make will relate to...
Cost
Efficiency
Safety/Risk
Time
F = (C + 32) 9/5 and C = (F - 32) * 5/9 are the formulas for converting between units of...
Force
Temperature
Mass
Volume
A portable power tool consisting of a circular, toothed blade made for making long, straight cuts in a workpiece is a...
Table saw
Circular saw
Jigsaw
Band saw
In machining processes, what do you call a custom-designed tool used for cutting, forming, or shaping materials into a specific shape?
Cutting
Die
Former
Cast
This term describes the manufacturing process of continually filling a mold with liquid plastic, letting it harden, then ejecting the finished product so the mold can be filled again.
Thermoforming
Blow molding
Rotational Molding
Injection molding
A ______ plan is a type of top-view, roof-off drawing that shows the arrangement of rooms and placement of furniture and fixtures in those rooms.
wall
ceiling
floor
roof
The international group responsible for developing standards for technical drawings, technical symbols, and safety is the...
ANSI (American National Standards Institute)
ISO (Internal Organization for Standardization)
IEC (International Electrotechnical Commission)
ASTM (American Society for Testing and Materials)
A smaller part of a larger system, which can often be broken down into smaller parts itself, is called a(n)...
minisystem
microsystem
subsystem
semisystem
What do the designations UNC or UNF tell you about a screw's threads?
UNC refers to metric threads, while UNF refers to imperial threads.
UNC indicates left-hand threads, while UNF indicates right-hand threads.
UNC indicates coarse threads, while UNF indicates fine threads.
UNC is for wood screws, while UNF is for metal screws.
In programming, when you want a segment of code to run until a certain condition is met rather than for a specific number of cycles, you would use a ______ loop.
for
do
repeat
while
Civil, mechanical, electrical, aerospace, and structural are all examples of major fields, or __________ of engineering.
classifications
branches
disciplines
categories
When converting from English units to Metric units, one inch is equal to _____ centimeters.
2.54
3.54
2.45
3.45
How many simple machines are there?
4
5
6
7
A ______ is a good example of a class one lever.
pulley
trolley
wheel barrow
seesaw
A ______ is a good example of a class three lever.
see-saw
broom
crowbar
wheelbarrow
A ______ is a good example of a class two lever.
wheelbarrow
scissors
pulley
screwdriver
A type of drawing that lets you see three faces of an object in a single view (such as the front, top, and right-side) is called a(n) _________ drawing.
orthographic
isometric
perspective
axonometric
Abrasive water jet, or AWJ, technology is used for what purpose?
Mixing abrasive materials.
Cutting and machining materials.
Cleaning surfaces effectively.
Cooling machinery during operation.
A type of technology that works by using electrical discharges to remove material from a workpiece is called...
Plasma Arc Welding (PAW)
Laser Cutting Technology (LCT)
Ultrasonic Machining (USM)
Electrical Discharge Machining (EDM)
In electrical circuits, a component that completely blocks current flow in one direction is called a...
diode
resistor
transistor
capacitor
What organization was founded for the purpose of encouraging women to seek careers in the engineering workspace?
Society of Women Engineers (SWE)
Association for Female Engineers (AFE)
National Society of Women in Tech (NSWT)
Women in Engineering Network (WEN)
What manufacturing method is most likely to be used for mass producing plastic parts?
Blow molding
Thermoforming
3D printing
Injection molding
A type of bar graph used to track the progress of a project against a set schedule is a...
Line graph
Gantt chart
Historgraph
Pie chart
In programming, when you know exactly how many times you want a segment of code to run, you would use a _____ loop.
if
for
while
for-each
The process used to shape thermoplastic materials by heating and forming them over a mold using vacuum pressure.
Mold casting
Thermal shaping
Vacuum forming
Pressure molding
A rounded corner on the edge of a product used for safety, saving material, and a more pleasing aesthetic is called a...
Chamfer
Miter
Fillet
Bevel
