TLE: Drafting Part 7

 61.This is how axonometric, oblique, and perspective sketches show objects:

A.Orthographically
B.Pictorially
C. Obliquely
D.Parallel

62.This type of projection is when projectors are parallel to each other, but are at an angle other than 90 degrees to the plane of projection:
A. Oblique projection
B. Perpendicular projection
C. Aesthetic projection
D. Angular projection

63.There are two main types of projection:
A. Parallel and orthographic
B. Station-point and perspective
C. Parallel and convergent
D. Perspective and parallel

64.The top, front, and bottom and views align in this manner.
A. Horizontally
B. Vertically
C. According to the planar views
D. Parallel to the frontal plane

65.If a plane is parallel to the plane of projection, it appears;
A. True size
B. As a line or edge
C. Foreshortened
D. As an oblique surface

66.This line pattern is composed of three dashes, one long dash on each end with a short dash in the middle:
A. Object
B. Hidden
C. Center
D. Phantom

67.This is the plane upon which the top view is projected:
A. Horizontal
B. Frontal
C. Profile
D. Base

68.An advance of this type of view is that each view shows the object all the way through as if it were transparent.
A. Planar
B. Horizontal
C. Auxiliary
D. Orthographic

69.This type of surface is tipped to all principal planes of projection and does not appear true size in any standard view.
A.Foreshortened
B.Parallel
C.Orthographic
D.Oblique

70.Isometric drawings are often used by ______to help illustrate complex designs.
A.Mechanical engineers
B.Piping drafters
C.Aerospace engineers
D.All the above


Key Answers, Explanations, Notes, and Concepts

61.This is how axonometric, oblique, and perspective sketches show objects:
A.Orthographically
B.Pictorially
C. Obliquely
D.Parallel

Answer: B. Pictorially
There are three (3) types of pictorial drawing; these are the Axonometric, Oblique, and Perspective drawings.

The axonometric drawing is based upon the rotation principles; these are further classified into three (3) kinds, these are Isometric, Diametric and Trimetric.

The Isometric shows the axis of revolution perpendicular to the horizontal plane. In here, the drawing or the object projects or shows two faces; the objects front as well as the view in the right side.

The Diametric shows or projects two faces of views; the objects' top view as well as its left side view.

The Trimetric shows or projects three faces or angles; the top view, the left and the right side view.

In the Oblique drawing, one face of the object is parallel in the plane of projection. Like the isometric drawing, the Oblique drawing also uses three axes. The two of these axes are placed in perpendicular to each; while the third axis is placed in any angle that is convenient to the horizontal.

There are two (2) types of Oblique drawing; these are the Cavalier drawing and the Cabinet drawing.

In the Cavalier drawing, the receding lines usually are at thirty (30) degrees or it is at forty five (45) degrees to the horizontal axis.

In the Cabinet drawing, the object is presented as it appears to a particular position in where the observer positioned relative to the object. This drawing presentation looks like the objects actually appear to the eyes of the viewer.

The Perspective Drawing represents the objects as it would actually appear to the observer from a particular place. This is also another kind of pictorial drawing in which objects are presented as they actually appear to the viewers eyes.

There are different kinds of pictorial drawing; the Parallel or One-Point Perspective, the Angular or Two Point Perspective and the Three Point Perspectives.



62.This type of projection is when projectors are parallel to each other, but are at an angle other than 90 degrees to the plane of projection:
A. Oblique projection
B. Perpendicular projection
C. Aesthetic projection
D. Angular projection

Answer: A. Oblique projection

Oblique projection- a parallel projection in which the lines of sight are not perpendicular to the projection plane
Perpendicular projection- gives us a vector that is parallel to the vector whose length is how far the vector extends in the direction of
Aesthetic projection- there is no such
Angular projection- a pattern in which you insert, or project, the content you want to use inside another component.


63.There are two main types of projection:
A. Parallel and orthographic
B. Station-point and perspective
C. Parallel and convergent
D. Perspective and parallel

Answer: B. Station-point and perspective
This item's explanation was limited to author's knowledge and research, thus incomplete. If you have any insights and correction kindly comment it below. It will surely be helpful on our future use.

64.The top, front, and bottom and views align in this manner.
A. Horizontally
B. Vertically
C. According to the planar views
D. Parallel to the frontal plane

Answer: B. Vertically
This item's explanation was limited to author's knowledge and research, thus incomplete. If you have any insights and correction kindly comment it below. It will surely be helpful on our future use.

65.If a plane is parallel to the plane of projection, it appears;
A. True size
B. As a line or edge
C. Foreshortened
D. As an oblique surface

Answer: A. True size

*When a plane is parallel to the plane of projection in such a way that the sight of the observer is perpendicular, the plane appears in its true size. Additional Points: Opposed to this, if the sight of an observer is parallel to the plane, it appears as a single line.

66.This line pattern is composed of three dashes, one long dash on each end with a short dash in the middle: 
A. Object
B. Hidden
C. Center
D. Phantom

Answer: C. Center

67.This is the plane upon which the top view is projected:
A. Horizontal
B. Frontal
C. Profile
D. Base

Answer: C. Profile

Front View- frontal plane
Side view - Horizontal Plane
Top View- Profile Plane

68.An advance of this type of view is that each view shows the object all the way through as if it were transparent.
A. Planar
B. Horizontal
C. Auxiliary
D. Orthographic

Answer: D. Orthographic

Planar- the portion of the object above the plane is omitted to reveal what lies beyond. In the case of a floor plan, the roof and upper part of the walls may be left out.
Horizontal- mostly the top view
Auxiliary- the plain where the orthograpic object is drawn
Orthographic-  a way of representing a 3D object by using several 2D views of the object. 

69.This type of surface is tipped to all principal planes of projection and does not appear true size in any standard view.
A.Foreshortened
B.Parallel
C.Orthographic
D.Oblique

Answer: D. Oblique
Foreshortened- is all about realistically conveying three dimensions in a 2D medium by showing objects moving away from the viewer.
Parallel- indicate ways in which two distinct things are similar 
Orthographic- a way of representing a 3D object by using several 2D views of the object. 
Oblique- have components such as cavalier, cabinet and military which sizes differs from original size.

70.Isometric drawings are often used by ______to help illustrate complex designs.
A.Mechanical engineers
B.Piping drafters
C.Aerospace engineers
D.All the above

Answer: D. All the above
Mechanical engineers- research, design, develop, build, and test mechanical and thermal sensors and devices, including tools, engines, and machines
Piping drafters- draft plans and drawings for the construction, operation, and layout of piping systems.
Aerospace engineers- evaluate designs to see that the products meet engineering principles.
All the above

Comments, Suggestions and Corrections are highly appreciated. Kindly put those in the comments section. Fighting!

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