ENGR 18 Multiple choice Questions

Isometric drawings use four axes? True or False

False

Isometric, diametric, and trimetric drawings are classified as perspective drawings? True or False

False

Section lining should be parallel with the sides of the object to be section lined? True or False

False

The standard style of freehand lettering on technical drawings is vertical, single-stroke Arial? True or False

False

There are six types of polygons? True or False

False

Title block for drawings are not important? True or False

False

Uniformity, neatness, and stability can all be achieved without using guidelines? True or false

False

Use of the half auxiliary view is very common because it save time? true or False

False

When laying out a drawing with an auxiliary view, always choose the view with the most detail as the front view? True or False

False

A removed section is very similar to a broken-out section except that it is drawn away from the regular view?

True

A revolved section is the same as a rotated section? True or False

True

A right triangle is an angle of 90 degrees? True or False

True

All dimensions are in inches unless otherwise stated (use decimal-inch scale). Metric dimensions are in mm? True or False

True

An isometric drawing is dimensioned by using unidirectional dimensioning? True or false

True

An obtuse angle is an angle at more than 90 degrees? True or False

True

Before beginning a three-view drawing, it is a good practice to make preliminary sketches of the object? True or False

True

Dry cleaning powder is used after the completion of drawing to clean up any specks or smearing? True or false

True

Fillets are interior rounded intersections between two surfaces? True or False

True

For drafting purposes, a 3H or 4H is recommended for layout work? And 2H,H, or HB leads are recommended for all other lines? True or false

True

Hidden lines are only used in pictorial drawings to show an important feature that otherwise would not be seen? True or False

True

Hidden lines are usually not used in a sectional view? True or False

True

Hidden lines in an auxiliary view should be omitted unless they are needed for clarity? True or False

True

If a cutting-plane line passes lengthwise through any kind of fastener or shaft, the fastener or shaft is not section-lined? True or False

True

If nothing is given in the depth then its 0.6? true or False

True

In regard to space left between words, it is a rule of thumb to leave the width of one round letter such as Q, C, or O? True or false

True

Lines that are tangent and at 90 degrees are considered perpendicular? True or False

True

Runout is the formation of a curved surface where a flat and a curved surface meet? True or False

True

The friction-joint type compass is recommended for drafting because the setting stays secure even when strong pressure is applied? True or false

True

The true isometric circle method is preferred over the four-center isometric circle method when time is an important factor? True or False

True

The usual depth (call off) for a counterbored hole is slightly deeper than the height of the head of the fastener? True or False

True

The work area on a drawing is the size of the piece of paper you are working with? True or False

True

Three views should be used to describe an object? True or False

True

Today, it is recommended to use the removed section rather than the revolved section? True or False

True

Trimetric drawings use axes that are rotated so that each axis is drawn at a different angle? True or False

True

True projection of ribs in a sectional view is always preferred? True or False

True

Which of the following is Not true regarding alternate section lining? A.It is a combination of true projection and correct representation B.Over the rib or web section, every other section line is drawn C.The rib or web section, every other section line is drawn D.The actual shape is indicated by hidden lines

Which of the following is Not true regarding alternate section lining? A.It is a combination of true projection and correct representation B.Over the rib or web section, every other section line is drawn C.The rib or web section, every other section line is drawn D.The actual shape is indicated by hidden lines Ans: A

Which of the following is the perspective view most used in industry? A.One-point B.Two-point C.Three-point D.Diametric

Which of the following is the perspective view most used in industry? A.One-point B.Two-point C.Three-point D.Diametric Ans: B

Which of the following is a type of pictorial drawing not frequently used in industry? A.Cabinet B.Trimetric C.Isometric D.Two-point perspective

A.Cabinet B.Trimetric C.Isometric D.Two-point perspective Ans: B

How many axes does an oblique have?

2

How many axes does an isometric have?

3

Which of the following is a type of axonometric sketch? A. Perspective B. Orthographic C.Oblique D.Trimetric

A. Perspective B. Orthographic C.Oblique D.Trimetric Ans: D

The difference between an inclined plane and an oblique plane is? A. Position in the drawing B.Different projection angle C.Inclined planes are used in third-angle projection only D.Inclined planes are not parallel to any normal surface, but are perpendicular to at least one. Oblique planes are neither parallel nor perpendicular

A. Position in the drawing B.Different projection angle C.Inclined planes are used in third-angle projection only D.Inclined planes are not parallel to any normal surface, but are perpendicular to at least one. Oblique planes are neither parallel nor perpendicular Ans: D

What is the customary height of characters in a technical drawing? A.1/16" for regular text and 3/16" for headings and titles B.1/8" for regular text and 3/16" for headings and titles C.1/8" for regular text and 1/2" for headings and titles D.1/4" for regular text and 1/2" for headings and titles

A.1/16" for regular text and 3/16" for headings and titles B.1/8" for regular text and 3/16" for headings and titles C.1/8" for regular text and 1/2" for headings and titles D.1/4" for regular text and 1/2" for headings and titles Ans: B

Which of the following is not a type of drafting triangle? A.30-60 B.45 C.Beam triangle D.Adjustable triangle

A.30-60 B.45 C.Beam triangle D.Adjustable triangle Ans: C

When we draw an auxiliary view, projection lines must be drawn at what angle from the inclined surface? A.60 degrees B.45 degrees C.90 degrees D.None of the above

A.60 degrees B.45 degrees C.90 degrees D.None of the above Ans: C

Which of the following paper size is the correct one for D-size drawings? A.8.5x11 B.9x12 C.22x34 D.None of these

A.8.5x11 B.9x12 C.22x34 D.None of these Ans: C

To illustrate a countersunk hole, what angle is used to draw the countersunk portion? A.81 degree B.82 degree C.83 degree D.84 degree E.None of the above

A.81 degree B.82 degree C.83 degree D.84 degree E.None of the above Ans: B

A point in space in represented on a drawing by? A.A crisscross at its exact location B.A dot at its exact location C.A crossbar on an existing line D.Both A and C

A.A crisscross at its exact location B.A dot at its exact location C.A crossbar on an existing line D.Both A and C Ans: D

Which of the following is true regarding the sum of three internal angles of a triangle? A.Always exactly 180 degrees B.Always half of the 360 degrees in a full circle C.Equal to half the sum of the three straight sides D.Both A and B

A.Always exactly 180 degrees B.Always half of the 360 degrees in a full circle C.Equal to half the sum of the three straight sides D.Both A and B Ans: D

Which of the following is not a part of a circle? A.Angle B.Sector C.Center D.Quadrant

A.Angle B.Sector C.Center D.Quadrant Ans: C

Which of the following is not one of the basic line types used on technical drawings? A.Angular, perpendicular, non-horizontal, non-vertical B.Visible, hidden, crosshatch C.Cutting plane, freehand break D.Center, dimension, extension, leader

A.Angular, perpendicular, non-horizontal, non-vertical B.Visible, hidden, crosshatch C.Cutting plane, freehand break D.Center, dimension, extension, leader Ans: A

Which of the following is not true regarding concentric and eccentric circles? A.Concentric circles have a common center point B.Eccentric circles have no common center point C.Concentric circles have no common center point D.Two or more circles with a common center point are called concentric

A.Concentric circles have a common center point B.Eccentric circles have no common center point C.Concentric circles have no common center point D.Two or more circles with a common center point are called concentric Ans: C

Which of the following is not a kind of triangle? A.Equilateral B.Quadrilateral C.Obtuse D.Scalene

A.Equilateral B.Quadrilateral C.Obtuse D.Scalene Ans: B

Which of the following is not a list of types of sectional views? A.Full, half offset B.Front, back, profile C.Broken-out, revolved, removed D.Thinwall, auxiliary, assembly

A.Full, half offset B.Front, back, profile C.Broken-out, revolved, removed D.Thinwall, auxiliary, assembly Ans: B

What kind of section view illustrated both the exterior and interior of the object? A.Half section B.Broken-out C.Full section D.Revolved

A.Half section B.Broken-out C.Full section D.Revolved Ans: A

Which of the following is true regarding ways to draw a cylindrical intersection? A.If there is a considerable difference in the dimensions, use a straight line for the intersection B.If there is a little difference in the dimensions, use a simple arc C.Both A and B D.Neither A nor B

A.If there is a considerable difference in the dimensions, use a straight line for the intersection B.If there is a little difference in the dimensions, use a simple arc C.Both A and B D.Neither A nor B Ans: C

Which axonometric projection is preferred for sketching? A.Isometric B.Dimetric C.Trimetric D.Quadmetric

A.Isometric B.Dimetric C.Trimetric D.Quadmetric Ans: A

Which of the following is not true regarding an oblique drawing? A.It is easier to draw than isometric or perspective drawings B.Usually the front view is drawn exactly as it would appear in a multiview drawings C.Oblique drawings use three axes D.Oblique drawings are the most used of the three common pictorials

A.It is easier to draw than isometric or perspective drawings B.Usually the front view is drawn exactly as it would appear in a multiview drawings C.Oblique drawings use three axes D.Oblique drawings are the most used of the three common pictorials Ans: D

Which of the following is Not true regarding a secondary auxiliary view? A.It is projected directly from the auxiliary view B.Many times the secondary auxiliary view is completed first C.A Secondary auxiliary view is always created

A.It is projected directly from the auxiliary view B.Many times the secondary auxiliary view is completed first C.A Secondary auxiliary view is always created Ans: C

Which of the following is an advantage of sketching compared to mechanical drawing? A.It requires fewer material aids B.Visible, hidden, crosshatch C.Cutting plane, freehand break, mechanical D.Center, dimension, extension, leader

A.It requires fewer material aids B.Visible, hidden, crosshatch C.Cutting plane, freehand break, mechanical D.Center, dimension, extension, leader Ans: A

Which kind of projection exhibits a circle as an elliptic shape? A.Mercator B.Isometric C.Multiview D.Auxiliary

A.Mercator B.Isometric C.Multiview D.Auxiliary Ans: D

The circumference of a circle can be calculated by? A.Multiplying pi by the diameter of the circle B.Dividing the diameter of the circle by pi C.Multiplying pi by 2 times the radius D.Both A and C

A.Multiplying pi by the diameter of the circle B.Dividing the diameter of the circle by pi C.Multiplying pi by 2 times the radius D.Both A and C Ans: D

Which of the following is not an important feature/use of the drawing surface or top cover? A.Must be rolled easily B.Minimum warpage C.Must be easily cleaned D.To cover over the holes made by the compass

A.Must be rolled easily B.Minimum warpage C.Must be easily cleaned D.To cover over the holes made by the compass Ans: A

What must be included for each part in an assembly section? A.Name of part B.Part number or plan number C.Quantity required to complete one assembly D.All of the above

A.Name of part B.Part number or plan number C.Quantity required to complete one assembly D.All of the above Ans: D

Which of the following is not a characteristic of good freehand lettering? A.Neatness B.Speed C.Uniformity D.Incline

A.Neatness B.Speed C.Uniformity D.Incline Ans: D

Which type of pictorial drawing best illustrates the object as it would be viewed by the eye? A.Oblique B.Isometric C.Perspective D.Diametric

A.Oblique B.Isometric C.Perspective D.Diametric Ans: C

Which of the following draft tools is not commonly used to draw horizontal lines? A.T-square B.Drafting machine square C.Protractor D.Parallel bar

A.T-square B.Drafting machine square C.Protractor D.Parallel bar Ans: C

Which of the following is NOT a frequent use of center lines? A.The location of a circular or cylindrical feature B.The location of an intersection of inclined planes C.The location of a spherical feature D.To specify the location of other principal symmetries

A.The location of a circular or cylindrical feature B.The location of an intersection of inclined planes C.The location of a spherical feature D.To specify the location of other principal symmetries Ans: B

What must be done if a removed section needs to be placed on a page other than the page on which the cutting-plane line is placed? A.The page where the removed section is located must refer back to the page it was taken from B.A page number cross-reference must be given to where the removed section may be found C. Both A and B D. None of the above

A.The page where the removed section is located must refer back to the page it was taken from B.A page number cross-reference must be given to where the removed section may be found C. Both A and B D. None of the above Ans: C

Which of the following is true regarding a line? A.The shortest distance between two points B.Can be drawn in any direction C.Can be straight, an arc, a circle, or a free curve D.All of the above

A.The shortest distance between two points B.Can be drawn in any direction C.Can be straight, an arc, a circle, or a free curve D.All of the above Ans: D

What is the main difference between the first-angle and the third-angle projection? A.The standard symbols B.The time required to interpret the information C.The position of the projection plane D. None of the above

A.The standard symbols B.The time required to interpret the information C.The position of the projection plane D. None of the above Ans: C

Which of the following is not true regarding an angle? A.There are three major types of angles B.There are four major types of angles C.An obtuse angle is one of the major types of angles D.An angle is formed by two intersecting lines

A.There are three major types of angles B.There are four major types of angles C.An obtuse angle is one of the major types of angles D.An angle is formed by two intersecting lines Ans: B

Guidelines are critical part of freehand lettering because: A.They improve uniformity B.They improve neatness C.They improve stability D.All of the above

A.They improve uniformity B.They improve neatness C.They improve stability D.All of the above Ans: D

Which of the following is Not a purpose that an auxiliary view serves? A.To avoid having to create a removed sectional view B.To illustrate the true size of a surface C.To illustrate the true shape of a surface D.To project and complete other views

A.To avoid having to create a removed sectional view B.To illustrate the true size of a surface C.To illustrate the true shape of a surface D.To project and complete other views Ans: A

How many principal views are there in an orthographic projection? A.Two B.Four C.Six D.Eight

A.Two B.Four C.Six D.Eight Ans: C

Where is the third-angle projection multiview system used? A.United States B.Britain C.Canada D.All of the above

A.United States B.Britain C.Canada D.All of the above Ans: A

Which of the following is Not true regarding an assembly section? A.When a section drawing is made up of two or more parts, it is called an assembly section B.A table, called a part list, may be added to the drawing C.Each part number may be identified by a number within a circle called a ballon D.The assembly section is always represented using a full section view

A.When a section drawing is made up of two or more parts, it is called an assembly section B.A table, called a part list, may be added to the drawing C.Each part number may be identified by a number within a circle called a ballon D.The assembly section is always represented using a full section view Ans: D

What percentage of carbon of American iron and steel institute have in (AISI 1020) plain carbon metal?

Ans: 20 percent carbon

What is AISI 1020 material?

Ans: Steel

Where should each assignments be stapled?

Ans: Top left corner and must have problem number, course number and your last and first names indicated in vertical uppercase Gothic lettering

A primary auxiliary view is always projected from the front view? True or False

False

A reference line should be drawn horizontally and pass through as many points as possible? True or False

False

An acute angle is an angle at more than 90 degrees? True or False

False

Geometric construction procedures are not particularly important to the drafter? True or False

False

Half section are best used when an object is not symmetrical? True or False

False

A removed section is sometimes drawn to larger scale to illustrate and/or dimension a small feature? True or False

True

What is dimensional Tolerance?

Permeable variation in a size or dimension (Uncertainty)

A drafting brush is used to remove loose graphite and erase crumbs from the drawing surface? True or false

True

A partial auxiliary view makes it possible to eliminate one or more of the regular views?True or False

True