Computer Aided Drawing

A _______ has a traversing arm that moves left and right across the table and a head unit that moves up and down the traversing arm.

• track drafting machine

Irregular curves, commonly called _____ , are curves that have no constant radii.

• French curve

Erasability is important because errors need to be corrected, and changes are frequently made.

• True

It is technology for design and technical documentation, which replaces manual drafting with an automated process.

• computer-aided design and drafting

2D software have been first developed way back in A

• 1970

These lines that are half as thick as object lines for contrast

• Hidden lines

uses an extensive set of conventions to convey information very precisely, with very little ambiguity

• engineering drawing

If it lies on one side only of the reference line, then it is called ____________________.

• Bilateral Auxiliary Views

When the cutting plane cuts the entire object the section is known as _______.

• Full section

Drafting is a broad occupation.

• True

It can also be used as straightedges to connect points for drawing lines without the aid of a parallel bar or machine scale

• T-Square

Construction lines for layout and guidelines are very lightly drawn with a __________ lead.

• 6H or 4H

lines are also thick and used to identify where a view is taken for view enlargements, removed views, or partial views

• viewing-plane

is also used in job shops where one-of-a-kind products are made

• sketching

The term automatic pencil refers to a pencil with a lead chamber that advances the lead from the chamber to the writing tip by the push of a button or tab when a new piece of lead is needed.

• True

Straight cutting plane in one line can be used if ___________.

• all the hidden objects are in one line

The _________ clamps to a table and through an elbow like arrangement of supports allows you to position the protractor head and scales anywhere on the board.

• arm machine

A section is perpendicular to both the reference planes the true shape and size is obtained by taking projection of section on to _ plane

• profile

Sketching is a method of communication used as a tool for problem solving.

• True

3D CAD tools were introduced in ___ by a partnership between IBM-Dassults

• 1980’s

The cutting plane cut the small portion after before the is cut by the full or half section, the section is known as __________

• broken out section

The section which cuts the object at an angle is called ________

• auxiliary section

_________are used to reduce or enlarge an object without having to make mathematical calculations or scale manipulations.

• DIvider

A lines created using a separate format can be removed easily or set so they do not display or plot when the layout work is finished.

• Construction Line

A divider is especially useful for large circles, but using one can be time consuming.

• False

The section which draws the section of assembly drawing is called as ____________

• removed section

Sketching refers to all letters and numbers on drawings and related documents.

• False

It refers to the material on which you create drawings, such as paper or polyester film.

• Media

What is the type of sections from given option?

• Full section

In which of the following type of dimensioning, the dimensions are arranged only in a straight line?

• chain dimension

A software that was introduced in the late 1960's to expedite engineering drawing process.

• Computer Aided Design

the section in which the sectional views are not drawn there itself, but at a place adjacent to it is known as _________

• removed section

A type of drafter that develop working layouts and master drawings of automotive vehicle components, assemblies, and systems

• Automotive design drafters

Gasperd Monge is usually considered the "father of descriptive geometry".

• True

It is a film on which drawings or other printed materials are photographed at greatly reduced size for ease of storage.

• Microfilm

Compass is also used in navigation to measure distance in nautical miles.

• False

It can also be used as straightedges to connect points for drawing lines without the aid of a parallel bar or machine scale.

• Triangles

A _______ is an instrument used to draw circles and arcs.

• compass

can also be used as straightedges to connect points for drawing lines without the aid of a parallel bar or machine scale.

• triangles

2D software have been first developed way back in

• 1970's

These are also available for specific requirements and drafting disciplines.

• Templates

Sketching is freehand drawing without the aid of drafting equipment.

• True

If the inclined surface is seen in the profile plane, then such an auxiliary new will be called

• profile auxiliary view

Descriptive geometry uses the image-creating technique of imaginary, parallel projectors emanating from an imaginary object and intersecting an imaginary plane of projection at right angles.

• True

The parallel bar slides up and down a drafting board to allow you to draw vertical lines.

• True

These images are called _____ as they can be viewed and rotated in any direction – X, Y or Z.

• 3D models

If the auxiliary view does not lie uniformly on both sides of the reference line, then it is called Unsymmetrical Auxiliary Views

• True

Isometric is a means of representing a three-dimensional object in two dimensions

• False

What is GIS stands for?

• Geographic Information System

Templates for drawing other shapes, such as ellipses, and for letters are also common.

• True

The mechanical engineer’s scale is commonly used for mechanical drafting when drawings are in fractional or decimal inches.

• True

This type of CAD software allows only a single user to work on a single file at a time.

• single-file-mode systems

The unauthorized copying of software is called _____ software piracy

• software piracy

A manual drafting machine is a machine that mounts to the table or board and has scales attached to an adjustable head that rotates for drawing angles.

• True

For the object which is symmetrical about the central axis; from which method of section it can be drawn __________

• Half section

A scale is an instrument with a system of ordered marks at fixed intervals used as a reference standard in measurement.

• True

It is a machine for photographically reproducing material.

• Photocopy printer

computer-aided design and drafting

• True

A section is parallel to vertical plane the true shape and size is obtained by taking projection of section on to _________ plane.

• profile

This plane is perpendicular to some principal plane, then the drawing on such drawing is called ________.

• Primary Auxiliary Views

The most important communication tools that a company can possess is the engineering drafting.

• False

The advised position of placement of the dimensions should be ______.

• on the boundaries of the view (incorrect)

Durability is a consideration if the original drawing will be extensively used.

• True

As far as possible, the dimension should be given to which of the following lines?

• outline

Drafting is a key element of the development process and is used during all the developmental stages of a mechanical design.

• False

The standardized lettering format was developed as a modified form of the Gothic letter font.

• True

If the auxiliary view lies uniformly on both sides of the reference line, then it is called

• Symmetrical Auxiliary Views

A plumbing drafter, also known as a pipe drafter.

• True

A _______ has a traversing arm that moves left and right across the table and a head unit that moves up and down the traversing arm

• track drafting machine

When the interior of an object is complicated, which of the following view is used?

• Secional View

Construction lines created using a separate format can be removed easily or set so they do not display or plot when the layout work is finished.

• True

If the inclined surface is seen in the frontal plane, then such an auxiliary view will be called

• frontal auxiliary view

3D models as they can be viewed and rotated in any direction

• x, y, or z

Today most engineering drawing is done with CAD, but pencil and paper have disappeared.

• False

Artistic ability is helpful in some specialized fields, as is knowledge of manufacturing and construction methods

• True

Construction lines are one of the ASME standard line types because they do represent a specific drawing feature and are not reproduced on the final drawing

• False

Diazo is drafting paper with translucent properties that is specially designed to accept pencil or ink.

• False

A __________ language using lines, symbols, and notes to describe objects for manufacture or construction.

• graphic

It is a specialization of architectural drafting.

• Commercial Drafting

A type of drafter that work from specifications, sketches, and rough drafts.

• Architectural drafters

It may specialize in a type of building, such as residential or commercial, or a construction material, such as reinforced concrete, masonry, steel, or timber.

• Architectural Drafters

Referenced-file-mode systems it enables users to levergae other users' work as background data.

• True

When the section is to be drawn for a small area of the object, a ________section is used.

• revolved section

They are the drafters that build models of proposed landscape construction and prepare colored drawings for presentation to clients.

• Landscape drafters

Crane hook is to drawn by _________method.

• revolved section

If the auxiliary view does not uniformly lie on both sides of the reference line, then it is called ______________________

• Symmetrical Auxiliary Views

Inclined and offset cutting planes can be used if __________.

• it is used for combined objects

It may prepare separate detailed site plans, grading and drainage plans, lighting plans, paving plans, irrigation plans, planting plans, and drawings and details of garden structures

• Landscape drafters

uses a process that involves an ultraviolet light passing through a translucent original drawing to expose a chemically coated paper or print material underneath.

• diazo printing

is a man or woman employed in the drafting profession

• drafter

ADDA is the acronym for the American Design Drafting Association and the American Digital Design Association.

• True

CAD is stands for Computer-Aided Drawing.

• False

A section is parallel to horizontal plane the true shape and size is obtained by taking projection of section on to _________ plane.

• horizontal

It is one field or discipline where inclined text is commonly found on drawings.

• structural drafting

A type of drafter is a drafter associated with mechanical drafting for the manufacturing industry.

• Mechanical Drafter

These images are called 3D models as they can be viewed and rotated in any direction – X, Y or Z.

• True

3D CAD tools were introduced in ___by a partnership between IBM-Dassults.

• 1980’s

In unidirectional system the dimensions are ______

• Placed by breaking the dimension line in the middle

Lines are used to indicate the location of a stitching or sewing process.

• Stitch lines

All arrowheads on dimension lines and leader lines should not be the same size throughout the drawing.

• True

are used to transfer dimensions or to divide a distance into a number of equal parts

• dividers

Sketching equipment is very complicated.

• False

All lines are dark, crisp, sharp, and of the correct thickness when properly drawn.

• True

c is one of the most important characteristics of drawing media when reproducing the drawing using the diazo print process

• transparency

Which are the two systems of placing dimensions? i. Aligned system, ii. Break system, iii. Unidirectional system, iv. Directional system

• i,iii

Lines that are used to shorten the length of a long object or part or to provide a partial view of a feature

• Break lines

is a man or woman employed in the drafting profession.

• drafter

Mechanical drafters develop CADD models and drawings of structural and mechanical features of ships, docks, and other marine structures and equipment.

• False

A type of drafter that draw maps, diagrams, profiles, cross sections, directional surveys, and subsurface formations to represent geological or geophysical stratigraphy and locations of gas and oil deposits

• Geological drafters

Visible lines, also called object lines or outlines.

• True

Lines that are used to show and locate the centers of circles and arcs and to represent the center axis of a circular or symmetrical form

• Centerlines

_________are used to reduce or enlarge an object without having to make mathematical calculations or scale manipulations

• Proportional dividers

Mechanical drafters develop CADD models and drawings of structural and mechanical features of ships, docks, and other marine structures and equipment

• False

A type of drafter that develop working layouts and master drawings of automotive vehicle components, assemblies, and systems.

• Automotive design drafters

is one of the pioneering companies that has played a significant role in developing CAD software.

• AutoDesk

Surface finish it specifies the surface quality of the item .

• True

The term generation refers to the number of times a copy of an original drawing is reproduced and used to make other copies.

• True

graphically represent aerial photographic detail, such as contour points, hydrography, topography, and cultural features, using precision stereo plotting apparatus or drafting instruments.

• photogrammetrists

If the inclined surface is seen in the top plane, then such an auxiliary view will be called

• top auxiliary view