Deck 10: Reading Sections, Revolutions, and Conventional Breaks

Question 1

Bolts, nuts, and webs are sectioned in a sectional view.

Answer 1

FALSE

Question 2

The cutting plane line is used in all sectioning practices.

Answer 2

FALSE

Question 3

True projection is always important between views on a print.

Answer 3

FALSE

Question 4

A broken out section occurs when a small portion of a part is broken away to clarify or expose an interior feature.

Question 5

Section lines are shown on all parts of a section, especially thin parts.

Question 6

The change in direction of the cutting plane line is less than 90° in an aligned section.

Question 7

A revolved section is used when a feature that has a constant shape throughout the length is rotated so that the adjacent view shows the feature's constant shape.

Question 8

The American Society of Mechanical Engineers document that governs sectioning techniques is ASME Y14.3 titled Multi and Sectional View Drawings.

Question 9

All pieces have coded cutting plane lines in an assembly section.

Question 10

Interior portions of an object that are otherwise difficult to visualize can be described by the use of sections.

Question 11

Hidden lines in multiple removed sections are omitted for clarity.

Question 12

A conventional break is used when a long object of a constant shape requires shortening.

Question 13

A removed section represents a portion of a part pivoted 90° and removed to show the section at that location.

Question 14

A full section is a section view where the cutting plane extends completely through the object.

Question 15

A section that appears in an auxiliary view is known as an auxiliary section.

Question 16

Dimensioning to hidden features is a poor practice on a print.

Question 17

The cutting plane line is a thin line that represents the section plane.

Question 18

Break lines are basically the same for all objects and materials.

Question 19

A gasket is commonly sectioned even though it is a thin part.

Question 20

Staggered interior features of an object are sectioned by the cutting plane line to align through the feature.

Question 21

The sectional view is created by placing an imaginary cutting plane through the object as if you were to cut away the object and leave the area exposed.

Question 22

Removed sections are generally placed in direct alignment with the cutting plane line.

Question 23

When an aligned section is taken, the sectional view is shown as if the cutting plane is rotated to a plane perpendicular to the line of sight.

Question 24

Any hidden features still left in a sectional view are not generally shown.

Question 25

An aligned section has the cutting plane staggered to pass through offset features of an object.

Question 26

Cutting plane lines are labeled and the labels refer to the sectional view.

Question 27

A full section is drawn when the cutting plane extends completely through the object, usually along a center plane.

Question 28

Bronze and cast iron materials look the same in section.

Question 29

Multiple removed sections are generally arranged on the sheet in alphabetical order from left to right and top to bottom.

Question 30

When the cutting plane line actually removes one quarter of an object, it is called an offset cutting plane line.

Question 31

A half section is used typically for symmetrical objects; the cutting-plane line actually cuts through one quarter of the part. The sectional view shows half of the interior and half of the exterior at the same time.

Question 32

Hidden features are dimensioned when they are exposed by using a sectional view.

Question 33

When cutting planes are labeled alphabetically, the labels can be any letters of the alphabet, except for I, O, Q, S, X, and Z.

Question 34

The direction of sight of a cutting plane line shows what part of the feature is viewed when the rest of it is taken away.

Question 35

Section lines are thick.

Question 36

The sectional view normally projects from the view that has the cutting plane just like multiview projection.

Question 37

Half sections can be used when a symmetrical object requires sectioning.

Question 38

The cutting plane line staggers to pass through an object when showing both offset sections and aligned sections.

Question 39

Section lines are shown in opposite directions on adjacent parts.

Question 40

Specific features of an object are commonly left unsectioned in a sectional view if the cutting plane line passes through the feature and parallel to the feature axis.

Question 41

The cutting-plane line is a thick line representing the cutting plane. The cutting plane line can be shown using alternating long and two short dashes, or evenly spaced dashes.

Question 42

Which of the following objects are usually sectioned?

A) gaskets
B) bolts
C) gear teeth
D) webs
E) none of the above

Question 43

A cutting plane line is shown completely through the object, passing through offset features of the object. The section on the drawing is a(n) ____.

A) full section
B) half section
C) aligned section
D) removed section
E) none of the above

Question 44

A machined piece of steel is in the shape of a cylinder. There are two parallel holes drilled through the cylinder on the circumference. Which of the following is (are) true?

A) A revolved or removed section is the best application for sectioning this object.
B) A section line is not necessary since the location of that line is obvious when the cylinder is viewed in section.
C) Cutting plane lines are used in the view of the section of the cylinder to show where the cylinder has been cut.
D) both b and c
E) none of the above

Question 45

The break line for a copper tube is ____.

A) the same as it is for any solid cylinder
B) also used for irregularly shaped hollow cylinders
C) made up of symmetrically shaped widths that are approximately 1/3 the radius
D) both a and c
E) none of the above

Question 46

An alternate technique for placing the cutting-plane lines is called the reference arrow method. When using the reference arrow method for identifying sections, arrowheads point toward each end of the cutting-plane line and the section identification letters are placed at the ends of the cutting plane line. The view title is placed above the removed section when using the removed arrow method.

Question 47

A cutting plane line staggers completely through an object at 90° angles. The section on the drawing is a(n) ____.

A) full section
B) half section
C) aligned section
D) removed section
E) none of the above

Question 48

An irregular cylindrical object has an evenly spaced number of holes in its circular base. Which of the following is (are) true?

A) A full section is warranted if there is an even number of holes in the circular base.
B) An offset section is warranted if there are an odd number of holes in the circular base.
C) A half section is all that is needed for a cylindrical object.
D) A cutting plane line is not necessary with any cylindrical object.
E) none of the above

Question 49

An alternate removed section ____.

A) needs to be properly labeled with the cutting plane label
B) should be shown at the same scale as the part from which it came
C) can be rotated around its own centerline and shown on the centerline outside the part
D) both a and c
E) none of the above

Question 50

The American Society of Mechanical Engineers document that governs sectioning techniques is ____.

A) ASME Y14.5 titled Multi and Sectional View Drawings.
B) ASME Y14.3 titled Sectional View Drawings.
C) ASME Y14.3 titled Multi View Drawings.
D) ASME Y14.3 titled Multi and Sectional View Drawings.
E) none of the above

Question 51

When using the option of a revolved section, ____.

A) the piece rotated must be completely broken away from the rest of the object
B) the piece rotated should have section lines
C) the piece rotated should not have dimensions describing it
D) the piece rotated should be in a space close by and labeled with the appropriate cutting plane label
E) none of the above

Question 52

A portion of a part is broken away to clarify an interior feature; there is no associated cutting-plane line.

A) Removed section
B) Broken out section
C) Revolved section
D) Offset section
E) none of the above

Question 53

When the desired section has been cut out and is not seen elsewhere on the drawing, ____.

A) an aligned section is used
B) an auxiliary section is used
C) a revolved section is used
D) a broken out section is used
E) none of the above

Question 54

A conventional revolution is used when the true projection of a feature results in foreshortening.

Question 55

When the cutting plane line has labels A on each end, then the sectional view has the related title SECTION A-A placed below the sectional view.

Question 56

An object is shown using a third angle multiview. Part of the object is complex and not perpendicular or parallel to any of the three views. In this case, the use of ____ can be helpful in clarifying the complex detail.

A) an auxiliary section
B) a broken out section
C) a revolved section
D) an enlarged removed section
E) none of the above

Question 57

When the desired section is revolved 90° onto a plane perpendicular to the line of sight, ____.

A) an aligned section is used
B) an auxiliary section is used
C) a revolved section is used
D) a broken out section is used
E) none of the above

Question 58

A cylindrical solid shape is shortened to save space in the drawing. Which of the following is (are) true?

A) The cylinder must have a constant shape throughout the entire length and cylindrical break lines are used.
B) A short, thick, slightly irregular break line is drawn to show that the cylinder has been shortened.
C) A jagged, thick, very irregular break line is drawn to show that the cylinder has been shortened.
D) both a and b
E) none of the above

Question 59

Multiple removed sections ____.

A) must all have a line of sight that points the same direction
B) must be the same scale as the part from which they were taken
C) do not generally show hidden lines
D) do not generally need to be labeled
E) none of the above

Question 60

A direction of sight line is used with a true projection multiview because it would not be as clear as using a preferred revolution.

Question 61

When a cutting plane extends completely through an object, usually along a centerline, ____.

A) the cutting plane line is marked with an identifying letter
B) a full section is shown
C) the cutting plane arrows show the direction of sight
D) both b and c
E) all of the above

Question 62

Used typically for symmetrical objects; the cutting-plane line actually cuts through one quarter of the part. The sectional view shows half of the interior and half of the exterior at the same time.

A) Full section
B) Half section
C) Broken out section
D) Removed section
E) none of the above

Question 63

The cutting plane is offset through staggered interior features of an object to show those features in section as if they were in the same plane.

A) Aligned section
B) Removed section alignment method
C) Broken out section
D) Offset section
E) Use a revolved section broken away so the section can be dimensioned.

Question 64

Three different materials are shown in the section view of an object. The upper portion is made of a bronze material and is a horizontal rectangular piece. Under the bronze material, the remaining space is evenly divided vertically with a steel material on the left and a cast iron material on the right. Which of the following is (are) true?

A) If the bronze section lines are drawn at a 45° angle, then the steel and cast iron section lines could be drawn at a 135° angle.
B) If the bronze section lines are drawn at a 45° angle, then the steel section lines could be drawn at a 135° angle, and the cast iron section lines could be drawn at a 90° angle.
C) If the bronze section lines are drawn at a 135° angle, then the steel section lines could be drawn at a 45° angle, and the cast iron section lines could be drawn at a 180° angle.
D) If the bronze section lines are drawn at a 135° angle, then the steel section lines could be drawn at a 45° angle, and the cast iron section lines could be drawn at a 60° angle.
E) none of the above

Question 65

A sectional view established by revolving 90 degrees, in place, into a plane perpendicular to the line of sight, generally used to show the cross section of a part or feature that has consistent shape throughout the length.

A) Removed section
B) Revolved section
C) Aligned section
D) Offset section
E) none of the above

Question 66

A sectional view taken from the location of the section cutting plane and placed in any convenient location of the drawing, generally labeled in relation to the cutting plane.

A) Removed section
B) Revolved section
C) Auxiliary section
D) Broken out section
E) none of the above

Question 67

An advantage of a removed section has over a revolved section is that ____.

A) a great deal of detail can be shown more effectively if the section is removed
B) break lines are not necessary when using removed sections
C) the section can exactly be shown in the place where the cutting plane line is
D) both a and c
E) none of the above

Question 68

These can be used when a long object of constant shape throughout its length requires shortening.

A) Conventional breaks
B) Conventional revolution
C) Broken out section
D) Removed section
E) none of the above

Question 69

A sectional view taken from the location of the section cutting plane and placed in any convenient location of the drawing, generally labeled in relation to the cutting plane.

A) Removed section
B) Revolved section
C) Aligned section
D) Offset section
E) none of the above

Question 70

A print of a cylindrical object shows a half section as one of its views. Which of the following is (are) not true?

A) The cutting plane line removes one quarter of the object.
B) The hidden lines of the side of the object that was not sectioned show as thin, light lines.
C) The centerline of the cylindrical object is omitted.
D) both b and c
E) none of the above

Question 71

A cube-shaped object is shown on the print. The object is made up of cast iron and has several circular depressions placed at random on three surfaces. Which of the following is (are) true?

A) A full section will probably describe the internal construction of the object adequately.
B) A half section will probably describe the internal construction of the object adequately.
C) An offset section will probably describe the internal construction of the object adequately.
D) Multiple removed sections will probably describe the internal construction of the object adequately.
E) none of the above

Question 72

When one-half of an object is removed to be able to see the remaining section, a(n) ____ has been used.

A) half section
B) removed section
C) aligned section
D) offset section
E) none of the above

Question 73

A portion of a part is broken away to clarify an interior feature; there is no associated cutting-plane line.

A) Aligned section
B) Conventional break
C) Broken out section
D) Revolved section
E) none of the above

Question 74

What is the difference between a regular removed section and a section that has been removed by the alternate removed section method?

A) A removed section is labeled to match the cutting plane line, whereas a section removed by the alternate removed section method is not labeled in this way.
B) A removed section can be placed almost anywhere on the drawing sheet, whereas a section removed by the alternate removed section method is placed in a particular area.
C) A removed section shows the entire view except for hidden lines, whereas a section removed by the alternate removed section method is similar to a revolved section in that only the portion that is indicated as being removed is shown as rotated.
D) both a and c
E) all of the above

Question 75

A long object has a constant shape along its entire length. It is made of 3mm thick steel, and is bent in two areas along its entire length so that viewing it from the end, it looks roughly like the letter "S". Choose the best option seen on a print for this object from the following suggestions.

A) Use a revolved section broken away so the section can be dimensioned and section lines put in.
B) Use an auxiliary section projected directly from the view of the cutting plane line.
C) Use a broken out section with a small break line to clarify the interior dimensions.
D) Use a conventional revolution so that the object will not be distorted by foreshortening.
E) Use a revolved section broken away so the section can be dimensioned.

Question 76

A cutting plane line is used in all but which of the following?

A) a full section
B) an auxiliary section
C) a broken out section
D) an alternate removed section
E) both c and d

Question 77

An alternate practice for providing removed and sectional views.

A) Alternate method
B) Rotated method
C) Arrow method
D) Removed method
E) none of the above

Question 78

A revolved section ____.

A) has a cutting plane line placed through the object to show where the section is taken
B) can be drawn to a larger scale so close detail can be more clearly identified
C) should be labeled to correspond with the cutting plane line
D) all of the above
E) none of the above

Question 79

When an offset section is used, ____.

A) the section shows dark vertical lines where the cutting plane lines changed direction at 90°
B) hidden lines and centerlines are usually ignored
C) the cutting plane line normally extends completely through the object to clearly display the location of the section
D) the cutting plane line is drawn completely through the object usually along a center plane
E) none of the above

Question 80

A cylindrical object with a constant shape has a 28 cm hole drilled in it from one end of the object to within 10 cm of the other end. Another smaller hole is drilled in the object from the side of the object at a 45° angle through to the drilled hole in the middle of the object. The smaller hole intersects the center drilled hole at 4 cm from the bottom of the center drilled hole. Choose the best option for this object shown on a print from the following suggestions.

A) A revolved section broken away so the section can be dimensioned and section lines put in.
B) An auxiliary section projected directly from the view of the cutting plane line.
C) A broken out section with a small break line to clarify the interior dimensions.
D) A conventional revolution so that the object will not be distorted by foreshortening.
E) A revolved section broken away so the section can be dimensioned.