EOC review
When looking at the front view of an object, which 2 dimensions would be visible?
height and width
The 3 dimensions that will be used for technical sketches in PLTW are
height, width, depth
What does the picture show?
high precision low accuracy
How can you decide which is the Best Front View?
view that shows the most natural shape view that shows the best contour of the object
The colors shown are what kind of colors?
warm
The arrow above is pointing at which measurement?
2.6cm
The rectangular prism shown below has dimensions 10 mm x 6 mm x 3 mm. What is the surface area, in mm^2, of the rectangular prism?
216
What is the area, in cm^2, of a circle with diameter of 8 cm?
25.12
What is the area, in squared units, of the ellipse shown below? 8 by 4
25.12
How many steps are in the Design Process used in PLTW classes?
6
Convert 245.8 inches to yards. Express your answer to 3 decimal places in the box below.
6.828
What is a dimension?
A measurable extent, such as the three principal dimensions of an object as in width, height, and depth.
What kind of sketch is this?
3-pt perspective
From the information below, calculate the population standard deviation. (1 decimal place beyond the original data values. Use formula pack, paper & the table provided to assist in starting.) x. x-u 8 12 15 16
3.1
Express 3 feet 9 inches in decimal feet. Type your answer - only the number - in the box below
3.75
The red line below is pointing at which measurement?
4.1 cm
Convert 4 and 3/8 inches to a decimal expression. Type your answer - only the number - to 3 decimal places in the box below.
4.375
Approximate the slope between 0 and 15 minutes (hint: miles/min. Focus on the numbered y-lines; ignore the tenth of a mile lines).
4/10
Examine the tolerance shown here. What is the total tolerance of the dimension? -2.00 ± .10
0.1 ??
Convert the fraction to a decimal: 9/16 in. Write the correct answer - only the number (value) - in the box provided
0.5625
Convert the fraction to a decimal: 11/16 in. Write the correct answer - only the number - in the box provided.
0.6875
What is the diameter of the Elmers Glue stick?
0.768_in
The white arrow is pointing at which measurement?
1 and 1/16 inch
What kind of sketch is this?
1-pt perspective
What is aesthetics?
1. Concerned with beauty or the appreciation of beauty. 2. Of pleasing appearance.
The red arrow is pointing at which measurement?
1/2 inch
What is the area of the rectangle below? Round to the nearest whole number. Type ONLY the numerical value for the area. Do NOT type the units
109
Convert 43.7 inches to centimeters. Round up to the nearest whole number. Type your answer - only the number (value) - in the box below.
111
Convert the following: 38 cm to in. Write your answer (number only - correct sig figs) into the box below.
15
Find the mean from the data set below and write your answer in the box provided. 3 7 12 15 19 22 24 26
16
Currently the red hinge can spin around and slide down the silver cylinder. How many degrees of freedom does it have? scale from 1-6
2
What kind of sketch is this?
2-pt perspective
1 inch is how many centimeter
2.54
The right cylinder shown below is 5 inches tall and has a diameter of 2 inches. What is the volume of the right cylinder? Use 3.14 for π . Round your answer to one decimal place. Do NOT include units in your answer. Only include the numerical value of the calculation.
62.8
The regular hexagon shown below has side lengths of 5 cm. What is the area, in cm^2, of the hexagon?
64.95
The distance to Orange Leaf Frozen Yogurt from Overland Park is 3.4 miles. If a person has a stride of 2.3 feet, how many strides will it take to get to Orange Leaf? Remember that you can't take a partial (decimal) step and you don't want to stop 1 step short... Write your answer in the box below.
7806
The base of the right cone below has a diameter of 4 cm. The vertical height of the cone is 5 cm. What is the volume of the cone? Use 3.14 for π and round your answer to one decimal place. Do NOT type in units. Only type in the numerical value of the answer.
83.8 (that could be wrong)
What is an object's centroid?
A 3D point defining the geometric center of a solid.
What is normal distribution?
A function that represents the distribution of variables as a symmetrical bell-shaped graph.
The "median" of a data set indicates what?
A measure of center in a set of numerical data. The value appearing at the center of a sorted version of the list or the mean of the two central values if the list contains an even number of values.
What is a numeric constraint?
A number value or algebraic equation that is used to control the size or location of a geometric figure.
What is scale?
A proportion between two sets of dimensions used in developing accurate, larger or smaller prototypes, or models of design ideas.
What is a rhythm?
A regularly recurring sequence of events or actions.
What is a pattern?
A repeated decorative design
The sketch in the image is which kind?
Annotated Isometric Sketch
What type of tolerance is shown here? *
Bilateral tolerance
What is the feature labelled #2 called?
Browser ("Model")
Horizontal lines represent which of the following?
Calm, peace and relaxation
The 4 main types of engineering are Electrical, Mechanical, Civil, and ...
Chemical
What is the polygon's geometric relationship to the circle?
Circumscribed
Which engineering field deals with infrastructure such as roadways and bridges?
Civil
A doorway closes when the door latches and the handle closes. The sides of the door do not touch the sides of the frame. What type of fit is the door in its frame?
Clearance Fit
Vertical lines represent which of the following?
Dignity, formality and strength
The red arrow is pointing at what type of line?
Extension Line
What kind of cam would produce this motion graph if was a wavey?
Hexagonal Cam
The graphic data communication method shown here is which kind of graph?
Histogram
What is the polygon's geometric relationship to the circle?
Inscribed
The picture here shows a dry erase marker. The cap is stuck into the back of marker so the user can write on the board without losing the cap. A small amount of force is needed to push the cap into the back of the marker. What type of fit is used to accomplish this? *
Interference Fit
Name the figure's projection
Isometric
What type of tolerance is shown here?
Limit tolerance
Diagonal lines represent which of the following
Movement, action and activity
What kind of sketch is this?
Oblique cabinet
Which of these is NOT a type of modeling we discussed
Papier-mache
The image shows a 3x5 index card. A 3x5 numerical relationship is an example of which principle of design?
Proportion
Study the motion graph. What is the student doing at minute 25?
Sitting still (i.e., moving no closer to or further from school
What are the two different types of dimensions?
Size and location
Brainstorming occurs in which step of the Design Process?
Step 2: Generate Concepts
What is mass?
The amount of matter in an object or the quantity of the inertia of the object.
What is volume?
The amount of three-dimensional space occupied by an object or enclosed within a container.
What is accuracy?
The degree of closeness of measurements of a quantity to the actual (or accepted) value
What is precision?
The degree to which repeated measurements show the same result.
Which is NOT true about oblique and isometric sketching
The depth on Isometric sketching is drawn at half of the actual depth
Which is NOT true about oblique and isometric sketching?
The depth on Isometric sketching is drawn at half of the actual depth
What are significant digits?
The digits in a decimal number that carry meaning contributing to the precision or accuracy of the quantity.
What is standard deviation?
The distance of a value in a population (or sample) from the mean value of the population (or sample).
Why is it important to consider efficiency when planning your method of creation before you begin to model an object in CAD?
The more efficient the method of modeling, the less time required to create the model.
What is frequency?
The rate at which something occurs over a particular period or in a given sample
What is an object's surface area?
The squared dimensions of the exterior surface.
What is contrast?
The state of being noticeably different from something else when put or considered together.
What type of tolerance is shown here?
Unilateral tolerance
When graphing a function, the domain will be which values?
X-axis values
On a technical sketch, how do you indicate a diameter?
a circle with a line through it
The triangle shown is what type of triangle?
acute
We spent time learning ___, subtractive & combination modeling
additive
An improvement to an existing product is called
an Innovation
The Inventor command that allowed you to put one piece of geometry/part in a certain relation to another piece of geometry/part is called a
constraint
This type of line is drawn very lightly to guide you while sketching
construction
This type of line is drawn very lightly and never erased
construction line
X-Rays are good communication pieces for doctors. X-Rays show a good ___________ blank of color.
contrast
The colors below are what kind of colors?
cool
The red arrow is pointing at what type of line?
dimension line
n Figure 1, the black line (pointed at by "1.") is a _____
dimension line
The graphic data communication method shown here is which kind of graph?
dot plot
Choose all the correct 'best practices' for your engineering notebook
draw a line through blank space and sign your name sign over the corner of any attachments that you glue in use pencil for sketches; use blue or black ink for text number each page be neat and write legibl
What SHOULD you do in your engineering notebook?
draw a line through mistakes and put your initials by it
The sphere shown below has a radius of 5 cm. It is made of aluminum, which has a density of 2.70 g/cm^3. What is the mass, in grams, of the sphere? Use 3.14 for pi. Round your answer to the nearest whole number. Do NOT include units in your answer. Only type the numerical value of the answer.
idk yet
What kind of sketch is this?
isometric
What kind of sketches are on a multiview?
isometric orthographic
This type of line points to center an arc or circle to dimension the radius or diameter
leader
This type of line points to the diameter or radius of a circle
leader line
How can you decide which is the Best Front View?
most natural view view with the fewest hidden lines
What type of balance is seen in the Automoblox wheel?
radial
What type of rhythm is shown in the image
regular
This type of line is heavy and dark and shows the outline of a sketch
object
This type of line is heavy and dark and shows the outline of a sketch
object line
What kind of sketch is this?
oblique
The triangle shown is what type of triangle?
obtuse
What kind of sketches are these?
orthographic
A type of 3D technical sketching that uses vanishing points is
perspective
What is a center of gravity?
point around which a body's weight is equally balanced in all directions
The graphic data communication method below is which kind of graph?
scatterplot
Listing the constraints occurs in which step of the Design Process?
step 1
Building a model for the solution occurs in which step of the Design Process?
step 4
What is the line's geometric relationship to the circle?
tangent
The concrete in the image shows a rough ______
texture
What is density?
the measure of mass per unit volume
The correlation coefficient, r, tells us:
the strength of a linear relation
The "mode" of a data set indicates what?
the value that occurs most frequently in a given data set
When shading our Isometric sketches, we will use _________ shading.
tonal
On our technical sketching we will almost always use which 3 views
top front right
On our technical sketching we will almost always use which 3 views?
top, right, front
A polygon with three sides is a
triangle
The picture below shows good ___________ in color? *
unity
The use of a variation on the "Golden Arches" at every McDonald's location is an example of design _____.
unity
What should you NOT do in your engineering notebook?
use red pen