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EXAM for offing IED

well f

QuestionAnswer
Agent Representative of a client or an individual who acts on the behalf of another.
Assess To thoroughly and methodically analyze accomplishment against specific goals and criteria.
Assessment An evaluation technique that requires analyzing benefits and risks, understanding the trade-offs, and then determining the best action to take in order to ensure that the desired positive outcomes outweigh the negative consequences.
Brainstorm A group technique for solving problems, generating ideas, stimulating creative thinking, etc. by unrestrained spontaneous participation in discussion.
Client The agency or individual who contracts with an engineer to design a solution to a problem.
Concept Sketch A graphical representation of an idea that can quickly communicate design intent and details
Creative Thinking The process to generate ideas and possible solutions. It is not a testing step nor is it an evaluative step; it is the production of a possible direction in which to think about the problem at hand.
Creativity The ability to make or bring a new concept or idea into existence; marked by the ability or power to create.
Criteria A standard, rule, or test by which something can be judged. In design, what you must have. What you must do and accomplish
Constraint 1. A limit to a design process. Constraints may be such things as appearance, funding, space, materials, and human capabilities. 2. A limitation or restriction.
Design Systemically sole problems
Engineer notebook Book in which an engineer will formally document work that is associated with a specific design project.
What is an engineer's notebook? It is a LEGAL DOCUMENT that proves the origin of an idea. It has written ideas, sketches, work session summaries, research findings, and interview information.
Concept Sketch Graphical representation of an idea that can quickly communicate design intent and details. Quickly and roughly drawn, includes shading.
Are scale and proportion the same thing? NAHHHHHH!!!!!!!
Why are scale and promotion different? Scale refers to mathematical relationship to standard. Promotion describe the relative size of one other object.
What is a solution? possible answer to a problem
What is a design process? step by step model used to analyze the criteria and the constraints of a problem in order to achieve an efficient goal.
What are two rules for brainstorming? No critisim allowed, allow all members to contribute.
What is optimal solution? It is the best choice at the given time
Heuristics simple rules which people often use to form judgements and make decisions.
What is problem solving? Problem solving is a process, systematic, designed to reach a solution.
What is design criteria? The elements that your product or solution must have to be successful.
What are design constraints? Factors that impact your product and restrict what your can do.
What is the Engineering Process? It starts with a clients problem, its a series of steps that engineering teams use to guide them, as they solve them.
What is an engineers job? Define the problem, and develop a solution that the clients wants.
What is an engineers goal? to satisfy the criteria while was accommodating the constraints.
Whats a design brief? A short summary of a problem affecting a target audience and the process that the engineer proposes to the sole problem. LEGAL DOCUMENT
What is a Problem Statement? It identifies the problem detail, it does not offer a solution.
What is a Design Statement? It describes the what the product must do to solve the problem and achieve the client's goals.
Is a design brief a formal document? Yes, it includes company logo, company name, client, target consumer, problem statement, design statement, and constrains.
feedback a systematic review of what has been done, to solve a problem with the goal of improving the efficiency process.
Changes to technology that occur over a long period of time Evolutionary.
Changes to improve a product Innovation
What is the Evolutionary Cycle? Describes how a technology change begins as a revolutionary impact and then evolves as improvements are made.
sketch quick, freehand drawing in pencil with annotated data used to describe an object, process or idea.
Technical sketches follow a set of rules or conventions to depict specific areas with in the sketch.
An isometric pictorial shows three sides of the design from a single focal point.
oblique pictorial shows one side at 90* to the viewer.
multi-view pictorial shows all the views of a design that you need to build it.
perspective pictorial designed to sell the product.
what is Technical sketching made with a pencil, paper, and an idea, they are done freehand.
why does an isometric pictorial show shows three sides of the design from a single focal point. It is used to show the general outline of the object.
what does a multi-view pictorial show shows all the views of a design that you need to build it.
line is a physical connection between two points.
shape is a two dimensional object that is bounded.
solid three dimensional object.
face first shape. It is the focal point of a sketch.
what is a home view the starting point for a shape and is displayed as an isometric pictorial.
what is the focal point he point of an object that you are viewing, building or measuring from.
what does CAD stand for Computer Aided Design.
what is the face of an object major plane that defines the object
what is the Face order describes the relationship between faces in an isometric pictorial.
what is the anchor point is the point at which all measurements are taken. It is the reference point for sketch data
what is datum dimensioning. Measuring from an anchor pointwh
what do technical sketches follow? set of rules or standards to describe a shape.
Construction Lines are very lightly drawn lines used as guides to help draw all other lines and shapes properly.
Object Lines are thick and dark and are used to define the object.
Hidden lines show interior detail that is not visible from the outside of the part.the
Center Lines define the center of arcs, circles, or symmetrical parts. They are half as thick as an object line and are dashed.
Extension line sed to mark the starting point of a dimension line on an object when this point is not directly next to the object.
Leader line used to indicate a radius, diameter or object feature. points to the feature and has a tangent break at the information end where data is entered.
Short-Break Line freehand orthographic projection
oblique pictoria drawing perspective that presents the front face of the design in the same plane and orientation as the viewer.
oblique cavalier presented full depth.
oblique cabinet presented at half depth.
isometric pictorial shows the overall shape of an object in 3 dimensions. The angle constraint is 30* and distorts each side equally.
box method drawing technique that defines the outer edges of a design.
Tonal shading used to direct the viewers attention to a specific focus. It is used to enhance a view and add contrast.
what does isometric mean Isometric means equal measure. It is also equal angle.
projection plane eferred to as a plane of projection or picture plane, is an imaginary surface that exists between the viewer and the object.
projection line imaginary line that is used to locate or project the corners, edges, and features of a three-dimensional object onto an imaginary two-dimensional surface.
multi-view perspective set of orthographic projections that detail the different views of an object based on the front face.
Net 2-D graphical representation of a solid.
what represents a view? face
orthographic projection object contained inside a glass box.
one-point perspective A horizontal line represents the horizon. One vanishing point is identified on the horizon line. A series of lines are drawn from distinctive points on the object to the vanishing point, outlining the object being constructed.
What is accuracy? Used to describe how close something is to a standard
what is precision? How many times a level of accuracy is repeated
US customary system used in the US (duh)
International System of units omost widely accepted system of measurement, the Us is the only nation who has not expected it.
The Imperial (English scale) based on foot
The metric scale based on the meter
Dial Calipers most common tool
4 types of measurements Outside diameter or Object thickness, Inside diameter or Space Width, Step Distance, Hole Depth.
Outside measuring faces these are the faces between which the outside length or diameter is measured
Inside measuring faces inside diameter is measured
Step Measuring faces measures the surface distance
Depth measuring faces depth of the hole can be measured
Inch dial caliper measures slightly more than 6 inches
Blade scale shows each inch divided into 10 increments
Blade immovable portion of the dial caliper
pointer moves within the dial as the slider moves back and forth along the blade
Reference edge keeps track of the larger increments
Rack change linear motion to rotary motion
Dial divded 100 times
Dimensions number values that describe an object and its features
Size dimension describes the overall, width, height, and depth
location dimensions show the location of the geometric feature within an object or view
anchor point single point of reference
Dimensions lines are used to show what? distance
Unidirectional dimensions are placed so that they can be read from the bottom of the drawing sheet
aligned dimensions are placed so that you can read them from the bottom of the drawing sheet and the vertical dimensions can be read from the right side of the drawing sheet.
Statistics collection, interpretation, and evaluation of data
central tendency center of a distribution
variation spread of values around the center
distribution summary of frequency values
standard distribution round to one more decimal place than the original data
range bigger number minus the smaller number
standard deviation measure of the spread of data values
what is the general rule? DONE ROUND UNTIL THE FINAL ANSWER
how do you approach a standard deviation problem? You add all of the values, then divide by how many values there are, then square root it
Histogram common data distribution chart that is used to show the frequency with which specific values, or values within ranges occur in a set of data.
normal distribution bell shape
what are significant digits? indicate the uncertainty of a measurement
what are material properties? describes how and objects reacts to a force?
what is area? describes the measurement of the 2-D space enclosed by a shape.
what is surface area? sum of all the areas of the faces of a 3-d solid.
how do calculate surface area? SA= 6A
how do you find the surface area of a rectangular prism? SA= 2(wd+wh+dh)
how do find the surface area of a cylinder SA= (2, pie,r))h + 2(pie, r squared)
what is a design constraint? limits what you can do
what is a dimension constraint? constrains the size of the part as well as its location
what is an assembly constraint? limits the degree of freedom
what is a drive constraint? limits the range of motion
what is an insert constraint? limits where an object can be placed as well as to how far another object can lie.
whats a geometric constraint? defines how points in a sketch relate to each other
whats a confident constraint? fixes a point to a line
whats a target constraint? fixes geometry to lie tangent to a face or line.
whats a collider constraint? fixes or two or more line segments or axis to lie on the same line
what does the fillet tool do? creates a round where to lines meet at a corner
what does the chamfer tool do? break a corner
what is the center of gravity? 3d point where the total weight of the body may be considered to be concentrated.average location
what is the centroid 3d point defining the geometric center of a solid.
what does balance measure? mass
what does scale measure? weight
what is visual analysis? understanding and designing for an audience who will use your product.
how is an audience affected? values, beliefs, attitudes, character, temperament, outlook, and perspective.
what are design elements? Describes how the product feels and how you feel when using it .It uses line, color, shape, texture, light, value, form, and space.
what does a vertical line represent? dignity,stability, and strength
what does a horizontal line represent? calm, peace, and relaxation
what does diagonal lines represent? action
what does a curved line represent? freedom, softness, and calm.
What is value? lightness or darkness, denotes relative lightness or darkness. helps perceive 3d objects
what is saturation? purity or intensity relative to gray
what are circular shapes? they are independent, opening and inviting.
what is form? reflects perception of shape it is the shadows
what is shape? area between and around parts on am image or the implied depth in that image.
what are the seven design principals? balance, rhythm, emphasis, proportional scale, contrast, economy, unity.
What is balance? A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial.
what is rhythm/ A regularly recurring sequence of events or actions
what is emphasis? Special importance, value, or prominence given to something.
what is vertical balance? top and bottom parts are equal
what is horizontal balance? sides of the composition are equal
what is asymmetrical/ informal balance? parts of the design are not equal but are equal in visual weight
what is radical balance? when the design elements radiate outward from the center
what is graduated rhythm? elements become closer or further apart as they move.
what is repeated element? increasing or decreasing gradually with each repetition
what is emphasis (in description) draw attention to one area
what is scale? (description) six of one part of the image in relationship to the other.
what us economy? less is more
what is unity? ties everything together
what is structural analysis? systematic examination of a product or process to determine if the product will stand up to the intended design forces
what is tolerance level? affects the overall quality of the product,
What is elastic stage? rebound to its normal shape
what is plastic stage? stretched beyond their ability to rebound
what is structural intergrity? describes how strong something is
what is the design load? sum of all the forces that may impact the product
what is the design parameters? define all the conditions that affect the design function
what is structural stability? products ability ability to maintain its shape.
what is functional analysis? nondestructive process of evaluating a product to determine how it does whatever it is designed to do
what is technical documentation? process of conveying information about a product to an audience
section view shows hidden details
auxiliary view face that exists between the planes
what are standards? allow us to communicate across cultures and time using agreed upon rules.
what is technical writing? convey technical information customers, managers, legal authority figures and others
through hole
clearance hole large enough to allowed to pass through
blind hole does not cut through entire thickness
countersink hole hole at surface, securing screws
counterbore hole receive a bolt head or nut, heavy duty industrial applications
tapped hole internal threads
spotface hole used for light applications
linear hole set the center of the hole from a planer face
concentric hole lets you placed hole from a curved edge
on point lets you drill on an axis
tolerance accepted amount of variation that will still allow an object to function correctly
limit dimensions stacked on top of each other
unilateral tolerance only in one direction
bilateral tolerence positive an negative directions
total tolerance describes maximum amount of variation
clearance fit limits the size of mating parts so that a clearance always results when mating parts are assmebled
interference fit parts must be forced together, limits the size
transition fit limits the placement of another part through size and postition
whats allowance? minimum clearance or max between parts
LMC (least material condition) condition of a part when it contains the smallest amount of material
MMC (maximum material condition) condition of part when it contains the most amount of material
section view (in depth) shows greater detail
full section shows half of a part
half section shows 1/4 of the part
detail view show enlarged or exploded view of the area, not show a lot of detail
auxiliary view (in depth) shows angled surface
foreshortened surfaces does not give a clear or accurate representation
parameter property of a system whose value determines how the system will behave
parametric constraint describes how a sketch point relates to other points in a solid
parametric relationship how the parameters of a design are defined
insert constrains restricts the degrees of freedom
contact constriant limits contact with a part at a point but does not limit motion
motion constraint limits transitional or rotational motion of a part within a plane
Created by: hannahkokinda