ExES Technology Education Test Review (171)
Exam 2023
Safety Data Sheet - Answer-Form that provides printed information regarding the
hazards of
... [Show More] materials that contain chemicals. Not necessary for general consumers
Analog Video NTSC - Answer-Scans in alternating interlace lines designed to handle
moving images with out a flickering effect
Computer CRT Monitors - Answer-Scanning is progressive of consecutive lines
Project manger Job - Answer-Determine the pace of work. creates a work schedule
plywood - Answer-construction material made of thin layers of wood glued together.
Stronger resistance to breaking, shrinking, warping and cracking
Soft plywood - Answer-Most common for house and construction and furniture use
Hard plywood - Answer-Used for more demanding construction applications such as
heavy trafficked floors
wood - Answer-Environmentally friendly building material
Hardwood - Answer-The wood from a deciduous (broadleaved) tree. Examples: birch or
maple
Softwood - Answer-the wood from conifers or evergreen trees. Examples: pine or cedar
Glue laminated timber - Answer-Timber composed of wood layers, or lamination, glued
together with the grains longitudinally parallel. Commonly used for columns, headers,
posts, beams, and truss components. stronger than solid timber
concrete - Answer-building material made by mixing small stones and sand with
limestone, clay, and water. can carry heavy loads (high compression) low tensile
strength
Casting - Answer-pouring liquid such as molten metal, plaster, polyester resin, or clay
into a mold
Forming - Answer-the shaping of a material by various processes, including forging,
rolling, extruding, pressing, bending, shearing, compressing, drawing, and stamping
Separating - Answer-A process that removes excess material to change the size,
shape, or surface.
Conditioning - Answer-involves heat pressure or chemical reaction to change properties
of material EX: firing pottery
assembling - Answer-The process of putting a product together out of separate parts.
Trade Secret - Answer-A formula, device, idea, process, or other information used in a
business that gives the owner a competitive advantage in the marketplace. Very
Restrictive
Copyright - Answer-the exclusive legal right, protect expression of an idea. No one can
copy, distribute or adapt an original work except its creator. Apply only for limited time
period
Patents - Answer-licenses that give an inventor the exclusive right to make, use, or sell
an invention for a set period of time
Trademark - Answer-A brand that has exclusive legal protection for both its brand name
and its design. Example Company logo
Engineering Design Process - Answer-A series of steps used to assist in designing and
developing new products, devices, and systems.
Research Phase - Answer-Learn the requirements of the system, resources needed
Conceptualization Phase - Answer-identifying potential solutions for the problem using
various techniques
Feasibility Phase - Answer-Whether or not the proposed solution is possible. Is the
project based on an achievable idea? is the project within the cost constrains of the
organizations?
Preliminary Phase - Answer-overall system design
Detailed Design - Answer-solid models and drawings
production planning - Answer-establishes a plan for mass production of product and
manufacturing tools needed
Production Phase - Answer-Manufacturing the product and conducting periodic test of
machinery.
petroleum - Answer-liquid fossil fuel; oil
Agrochemistry - Answer-involves the application of chemistry for agricultural production,
food processing, and environmental remediation as a result of agriculture.
Polymers - Answer-large compound formed from combinations of many monomers
standard deviation - Answer-a measure of how many results fit the central tendency
verses how many do not and by what margin
Engineers greatest responsibility - Answer-ensure no harm comes to people
High carbon steel - Answer-strong but brittle. used for high wear applications
More carbon increases alloys hardness - Answer-but decreases ductility ( resistant to
twisting and wrapping)
Radian - Answer-a unit of angle, equal to an angle at the center of a circle whose arc is
equal in length to the radius.
significant digits - Answer-The digits in a decimal number that carry meaning
contributing to the precision or accuracy of the quantity.
How many significant figures are in the measurement 811.40 grams? - Answer-5
Dovetail Joint - Answer-an edge that combines two pieces of wood that have been cut
to interlock with each other.
VU meter - Answer-volume unit meter
Speaking voices - Answer-VU meter must be 1/3 the way up the scale to produce
occasional peaks
music - Answer-VU meter can be at the highest possible just below the red area
Light Sweet crude - Answer-raw petroleum that can be refined efficiently. Contains less
than 0.5% sulfur. Raw petroleum. Less costly and easier to refine
Resistance - Answer-produces heat and light. example this causes electrical current to
transform into light in a incandescent light bulb
Engineering Method - Answer-1) Recognize and Understand the Problem
2) Accumulate Data and Verify Accuracy
3) Select the appropriate theory or principle
4) Make necessary assumptions
5) Solve the problem
6) Verify and Check Results
logarithmic grid - Answer-When data from a square grid is graphed on this grid the
curve lines become straight
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