Dimensioning Rules And Making Drawings
Engineering
Questions and Answers
- 1.
What type of line is used in an orthographic sketch to project the size of an object from one view to another?
- A.
Section line
- B.
Object line
- C.
Construction line
- D.
Extension line
Correct Answer
C. Construction lineExplanation
Construction lines are used in an orthographic sketch to project the size of an object from one view to another. These lines are lightly drawn and are used as guides to help create accurate and proportionate representations of the object. They are not part of the final drawing and are typically erased once the sketch is complete.Rate this question:
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- 2.
In computer modeling, the process of drawing lines, circles, arcs, and rectangles to create the basic profile that defines the approximate size and shape of feaures in a part is referred to as_____________.
- A.
Dimensioning
- B.
Profiling
- C.
Sketching
- D.
Extruding
Correct Answer
C. SketchingExplanation
Sketching in computer modeling refers to the process of drawing basic shapes such as lines, circles, arcs, and rectangles to create a rough outline or profile of features in a part. This initial sketch serves as a starting point for further development and refinement of the model. It helps define the approximate size and shape of the features before more detailed dimensions and specifications are added.Rate this question:
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- 3.
What information is required to dimension a hole?
- A.
Width and depth of hole
- B.
Location and size of hole
- C.
Diameter and location to an edge
- D.
Hole diameter
Correct Answer
B. Location and size of holeExplanation
To dimension a hole, the information required includes both the location and size of the hole. The location specifies where the hole is positioned in relation to other features or reference points, while the size refers to the dimensions of the hole, such as its diameter or width and depth. These two pieces of information are necessary to accurately define the position and dimensions of the hole within a given context or design.Rate this question:
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- 4.
Which is not a dimentioning rule?
- A.
Dimensions should not be duplicated
- B.
No unnecessary dimention should be used
- C.
Holes are located by their center lines
- D.
All dimensions should be on the border
Correct Answer
D. All dimensions should be on the borderExplanation
The statement "All dimensions should be on the border" is not a dimensioning rule because dimensions can be placed anywhere on a drawing to provide clear and accurate information about the size and location of features. The other options are valid dimensioning rules: dimensions should not be duplicated to avoid confusion, no unnecessary dimensions should be used to keep the drawing clutter-free, and holes are located by their center lines to specify their exact position.Rate this question:
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- 5.
Volume for rectangular prism is Width x depth x height
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The explanation for the given correct answer is that the formula for calculating the volume of a rectangular prism is indeed width multiplied by depth multiplied by height. This formula holds true for rectangular prisms, where all sides are perpendicular to each other and the shape has six rectangular faces. Therefore, the statement "Volume for rectangular prism is Width x depth x height" is correct.Rate this question:
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- 6.
What is the definition of a construction line?
- A.
Very lightly drawn lines used as guides to help draw all other lines and shapes properly.
- B.
Lines are thick and dark; used to define the object..
- C.
Lines used to show interior detail that is not visible from the outside of the part.
- D.
Lines that define the center of arcs, circles, or symmetrical parts.
Correct Answer
A. Very lightly drawn lines used as guides to help draw all other lines and shapes properly.Explanation
Construction lines are very lightly drawn lines that are used as guides to assist in drawing all other lines and shapes accurately. They are not meant to be part of the final drawing and are usually drawn with a lighter stroke or in a different color. These lines help in establishing proportions, angles, and alignments, allowing the artist or draftsman to create a more precise and accurate representation of the object or design.Rate this question:
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- 7.
What is the definition of a hidden line?
- A.
Very lightly drawn lines used as guides to help draw all other lines and shapes properly.
- B.
Lines are thick
- C.
Lines used to show interior detail that is not visible from the outside of the part.
- D.
Lines that define the center of arcs, circles, or symmetrical parts.
Correct Answer
C. Lines used to show interior detail that is not visible from the outside of the part.Explanation
A hidden line is a type of line used in technical drawing to represent interior detail that cannot be seen from the outside of the object or part being drawn. These lines are used to indicate features or structures that are hidden or obscured by other parts of the object. They help to provide a complete and accurate representation of the object, showing all necessary details even if they are not visible in the final product.Rate this question:
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- 8.
What is the definition of an object line?
- A.
Very lightly drawn lines used as guides to help draw all other
- B.
Lines are thick
- C.
Lines used to show interior detail that is not visible from the outside of the part.
- D.
Lines that define
Correct Answer
B. Lines are thick -
- 9.
What is the definition of a center line?
- A.
Very lightly drawn lines used as guides to help draw all other
- B.
Lines are thick and dark; used to define the object..
- C.
Lines used to show interior detail that is not visible from the outside of the part.
- D.
Lines that define the center of arcs, circles, or symmetrical parts.
Correct Answer
D. Lines that define the center of arcs, circles, or symmetrical parts.Explanation
The definition of a center line is lines that define the center of arcs, circles, or symmetrical parts. This means that center lines are used to indicate the exact midpoint or axis of symmetry of these shapes or objects. They help to establish balance and symmetry in a drawing and are crucial for accurate representation.Rate this question:
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- 10.
A short break line A freehand drawn line that shows where a part is broken to reveal detail behind the part or to shorten a long continuous part.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
A short break line is a freehand drawn line that is used in technical drawings to indicate where a part is broken. It is used to reveal the details behind the broken part or to shorten a long continuous part. This statement is true because a short break line is indeed used in this manner in technical drawings.Rate this question:
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- 11.
Dimension Lines: Lines that are used to show weight
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is incorrect. Dimension lines are not used to show weight. Dimension lines are used in technical drawings to indicate the size or measurements of an object, such as its length, width, or height. They are typically represented by thin, continuous lines with arrowheads at each end.Rate this question:
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- 12.
Section Lines: Lines are used to define where there is material after a part of the object is cut away.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Lines are used to define where there is material after a part of the object is cut away. This statement suggests that lines are used to indicate the remaining material or shape of an object after a portion has been removed or cut. Therefore, the statement is true.Rate this question:
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- 13.
A Short-Break Line is a freehand drawn line that shows where a part is broken to reveal detail behind the part or to shorten a long continuous part.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
A Short-Break Line is a freehand drawn line that indicates where a part is broken to expose the details behind it or to shorten a long continuous part. This means that it is a visual representation used to indicate a break in an object, allowing for a clearer view of the details behind it or to make a long part more manageable. Therefore, the statement is true.Rate this question:
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- 14.
Long-Break Lines: Are not used to shorten very long objects that do not change in detail.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Long-Break Lines are used to shorten very long objects that do not change in detail. This statement contradicts the given correct answer, which is False. Therefore, the correct answer is True.Rate this question:
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- 15.
Leader Lines: Leader lines are used to show dimensions of arcs, circles and to help show detail.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Leader lines are indeed used to show dimensions of arcs, circles, and to help show detail. They are typically used in technical drawings and diagrams to indicate specific measurements or provide additional information about certain elements. By extending from the object being measured to the dimension line, leader lines make it clear which part of the drawing the measurement is referring to, enhancing clarity and understanding. Therefore, the statement "Leader lines are used to show dimensions of arcs, circles and to help show detail" is correct.Rate this question:
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