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Introduction to Engineering & Design > IED Unit 5 > Flashcards

IED Unit 5 Flashcards

1
Q

A triangle that contains only angles that are less than 90 degrees.

A

Acute Triangle

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2
Q

The amount of rotation needed to bring one line or plane into coincidence with another, generally measured in radians or degrees.

A

Angle

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3
Q

The number of square units required to cover a surface.

A

Area

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4
Q
  1. An imaginary line through a body, about which it rotates. 2. An imaginary line about which a regular figure is symmetrically arranged. 3. A fixed reference line for the measurement of coordinates.
A

Axis

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5
Q

A 3D point where the total weight of the body may be considered to be concentrated.

A

Center of Gravity

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6
Q

A 3D point defining the geometric center of a solid.

A

Centroid

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7
Q

A round plane figure whose boundary consists of points equidistant from the center

A

Circle

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8
Q
  1. A triangle located round a polygon such as a circle. 2 To draw a figure around another, touching it at points but not cutting it.
A

Circumscribe

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9
Q

A solid composed of two congruent circles in parallel planes, their interiors, and all the line segments parallel to the axis with endpoints on the two circles.

A

Cylinder

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10
Q

The measure of mass density is a measure of mass per volume.

A

Density

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11
Q

A straight line passing from side to side through the center of a circle or sphere.

A

Diameter

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12
Q

A shape generated by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant and equal to the major axis

A

Ellipse

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13
Q

A curve formed at the interior intersection between two or more surfaces.

A

Fillet

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14
Q

To draw a figure within another so that their boundaries touch but do not intersect.

A

Inscribe

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15
Q

The amount of matter in an object or the quantity of the inertia of the object.

A

Mass

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16
Q

The curved upper surface of a liquid column that is concave when the containing walls are wetted by the liquid and convex when not.

A

Meniscus

17
Q

A triangle with one angle that is greater than 90 degrees.

A

Obtuse Triangle

18
Q

A four-sided polygon with both pairs of opposite sides parallel.

A

Parallelogram

19
Q

The numerical value of the ratio of the circumference of a circle to its diameter of approximately 3.14159.

A

Pi (?)

20
Q

Any plane figure bounded by straight lines.

A

Polygon

21
Q

The lines of intersection created from three mutuallyperpendicular planes, with the three planes? point of intersection at the centroid of the part.

A

Principal Axes

22
Q

A solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.

A

Prism

23
Q

A four-sided polygon.

A

Quadrilateral

24
Q

A straight line from the center to the circumference of a circle or sphere.

A

Radius

25
Q

A parallelogram with 90 degree angles. A square is also a rectangle.

A

Rectangle

26
Q

A polygon with equal angles and equal sides.

A

Regular Polygon

27
Q

A triangle that has a 90 degree angle.

A

Right Triangle

28
Q

Two or more exterior surfaces rounded at their intersections.

A

Round

29
Q

A regular polygon with four equal sides and four 90 degree angles.

A

Square

30
Q

The squared dimensions of the exterior surface

A

Surface Area

31
Q

A straight or curved line that intersects a circle or arc at one point only.

A

Tangent

32
Q

A table located in the bottom right-hand corner of an engineering drawing that identifies, in an organized way, all of the necessary information that is not given on the drawing itself. Also referred to as a title strip.

A

Title Block

33
Q

A polygon with three sides.

A

Triangle

34
Q

Each angular point of a polygon, polyhedron, or other figure.

A

Vertex

35
Q

The amount of three-dimensional space occupied by an object or enclosed within a container.

A

Volume

36
Q

A four-sided polygon.

A

Quadrilateral

Introduction to Engineering & Design (9 decks)

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