IED Practice Exam Part B: Quiz!

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IED Practice Exam Part B: Quiz! - Quiz

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Questions and Answers
  • 1. 

    A full-scale working model of a design that is used to test a concept is called a ___.

    • A.

      Mock-up

    • B.

      Prototype

    • C.

      Scale model

    • D.

      CAD model

    Correct Answer
    B. Prototype
    Explanation
    A prototype is a full-scale working model of a design that is used to test a concept. It allows designers to evaluate the functionality and feasibility of their design before mass production. Prototypes can be physical models or digital representations created using computer-aided design (CAD) software. They help identify any flaws or improvements needed in the design, allowing for adjustments to be made before final production.

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  • 2. 

    A drum cylinder serves as a storage vessel for used grease at a restaurant. The cylinder has a height of 3.25 feet and a diameter of 2.0 ft. What is the volume of the cylinder?

    • A.

      20.41 cubic feet

    • B.

      10.205 cubic feet

    • C.

      5.1625 cubic feet

    • D.

      10.205 square feet

    Correct Answer
    B. 10.205 cubic feet
    Explanation
    The volume of a cylinder can be calculated using the formula V = πr^2h, where V is the volume, r is the radius, and h is the height. In this case, the diameter is given as 2.0 ft, so the radius is 1.0 ft (half of the diameter). The height is given as 3.25 ft. Plugging these values into the formula, we get V = π(1.0^2)(3.25) = 3.14159(1.0)(3.25) = 10.205 cubic feet.

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  • 3. 

    A concrete slab has a width of 7.5 ft, a depth of 4.2 ft, and a height of 0.5 ft. What is the surface area of the slab?

    • A.

      37.35 square feet

    • B.

      74.7 square feet

    • C.

      15.75 square feet

    • D.

      31.5 feet

    Correct Answer
    B. 74.7 square feet
    Explanation
    The surface area of a rectangular prism can be found by multiplying the length, width, and height of the prism. In this case, the width is 7.5 ft, the depth is 4.2 ft, and the height is 0.5 ft. Multiplying these values together, we get 7.5 ft * 4.2 ft * 0.5 ft = 15.75 cubic feet. However, since we are looking for surface area, we need to find the area of all six sides of the prism. The surface area of a rectangular prism is given by the formula 2lw + 2lh + 2wh. Plugging in the values, we get 2(7.5 ft * 4.2 ft) + 2(7.5 ft * 0.5 ft) + 2(4.2 ft * 0.5 ft) = 74.7 square feet.

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  • 4. 

    Designers/engineers record their daily project work in a(n) ____ to archive their work and to legally prove the origin of an idea.

    • A.

      Engineer's notebook

    • B.

      Specifications sheet

    • C.

      Project portfolio

    • D.

      Storyboard

    Correct Answer
    A. Engineer's notebook
    Explanation
    Designers and engineers record their daily project work in an engineer's notebook to archive their work and legally prove the origin of an idea. This notebook serves as a detailed record of their thoughts, ideas, calculations, and designs throughout the project. It is a crucial tool for documenting the development process, providing evidence of originality, and protecting intellectual property rights. The engineer's notebook is a trusted and widely accepted method for maintaining a comprehensive and organized record of the design and engineering process.

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  • 5. 

    What type of three-dimensional sketch contains a combination of a flat orthographic front view, with depth lines receding back at an angle, usually 45 degrees?

    • A.

      Two-point perspective

    • B.

      Oblique pictorial

    • C.

      Isometric pictorial

    • D.

      Orthographic projection

    Correct Answer
    B. Oblique pictorial
    Explanation
    An oblique pictorial is a type of three-dimensional sketch that combines a flat orthographic front view with depth lines receding back at a 45-degree angle. This type of sketch provides a realistic representation of an object by showing three sides of it simultaneously. It is different from isometric pictorial, which shows all three dimensions equally, and orthographic projection, which shows multiple views of an object without depth. Two-point perspective is a type of sketch that uses two vanishing points to create the illusion of depth and distance.

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  • 6. 

    What could be added to a three-dimensional sketch to enhance its appearance?

    • A.

      Hidden lines

    • B.

      Tonal shading

    • C.

      Dimensions

    • D.

      Center lines

    Correct Answer
    B. Tonal shading
    Explanation
    Tonal shading could be added to a three-dimensional sketch to enhance its appearance. Tonal shading refers to the use of different shades of color or value to create the illusion of depth and form. By adding tonal shading, the sketch would have more dimension and realism, making it visually more appealing and engaging. This technique helps to create highlights and shadows, giving the sketch a sense of depth and making it look more three-dimensional.

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  • 7. 

    The wood block below has a height of 2 inches. What would the block’s height be if you converted it to millimeters?

    • A.

      2.00 mm

    • B.

      2.54 mm

    • C.

      51.0 mm

    • D.

      76.0 mm

    Correct Answer
    C. 51.0 mm
    Explanation
    The conversion from inches to millimeters is 1 inch = 25.4 millimeters. Therefore, to convert a height of 2 inches to millimeters, we multiply 2 by 25.4, which gives us 50.8 millimeters. Rounding to the nearest tenth, the block's height would be 51.0 mm.

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  • 8. 

    A quality control technician has requested a statistical analysis of a manufactured part. What is the median value from the following set of data? Data Set: 75, 72, 82, 77, 73, 69, 80

    • A.

      73

    • B.

      75

    • C.

      76

    • D.

      77

    Correct Answer
    B. 75
    Explanation
    The median value is the middle value in a set of data when arranged in ascending or descending order. In this case, when the data set is arranged in ascending order, it becomes 69, 72, 73, 75, 77, 80, 82. The middle value is 75, so it is the median value.

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  • 9. 

    A __________________ is a written document that identifies a problem to be solved, along with criteria and constraints.

    • A.

      Design brief

    • B.

      Project notebook

    • C.

      Research paper

    • D.

      Portfolio

    Correct Answer
    A. Design brief
    Explanation
    A design brief is a written document that identifies a problem to be solved, along with criteria and constraints. It outlines the objectives, goals, and specifications for a design project, providing a clear roadmap for designers to follow. The design brief is essential in ensuring that all stakeholders are on the same page and that the final design meets the desired requirements. It serves as a reference document throughout the design process, guiding decision-making and problem-solving.

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  • 10. 

    What geometric reference does the hole have to the cylinder below?

    • A.

      Perpendicular

    • B.

      Co-linear

    • C.

      Concentric

    • D.

      Relative

    Correct Answer
    C. Concentric
    Explanation
    The term "concentric" refers to two or more circles or shapes that share the same center. In the context of the question, the hole is said to have a geometric reference of being concentric to the cylinder below. This means that the center of the hole aligns with the center of the cylinder.

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  • 11. 

    What is the area of a 1.5” x 3” triangle?

    • A.

      2.25 inches

    • B.

      3.00 inches

    • C.

      3.5 inches

    • D.

      4.5 inches

    Correct Answer
    A. 2.25 inches
    Explanation
    The area of a triangle is calculated by multiplying the base and height and dividing the result by 2. In this case, the base is 1.5 inches and the height is 3 inches. Multiplying these values gives us 4.5 square inches. Dividing by 2 gives us the final answer of 2.25 inches.

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  • 12. 

    You have purchased a product, brought it home, and attempted to assemble it. However, you are missing one steel cover plate screw. Carefully study the parts list below. How many of these screws were supposed to be included in the original package?

    • A.

      1

    • B.

      2

    • C.

      7

    • D.

      8

    Correct Answer
    C. 7
    Explanation
    Based on the information given, the person purchased a product and attempted to assemble it but found one steel cover plate screw missing. To determine the number of screws that were supposed to be included in the original package, we need to carefully study the parts list. The answer is 7, as indicated in the list.

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  • 13. 

    Designers commonly identify ______ so that the product being designed will meet the needs of a specific person or group of people.

    • A.

      Target consumers

    • B.

      Architects

    • C.

      Measuring standards

    • D.

      Production costs

    Correct Answer
    A. Target consumers
    Explanation
    Designers commonly identify target consumers so that the product being designed will meet the needs of a specific person or group of people. By understanding the preferences, behaviors, and characteristics of the target consumers, designers can create a product that aligns with their needs and desires. This helps in ensuring that the product will be successful in the market and resonate with the intended audience. Architects, measuring standards, and production costs may also be important considerations in the design process, but identifying target consumers is crucial for creating a product that meets their requirements.

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  • 14. 

    What part of the design process is the following statement an example of?         Design, test, and build a system for storing adult mountain bikes. The         the system must provide a safe structure for supporting at least one bicycle.

    • A.

      Problem statement

    • B.

      Consumer design

    • C.

      Design constraints

    • D.

      Design statement

    Correct Answer
    A. Problem statement
    Explanation
    The given statement "Design, test, and build a system for storing adult mountain bikes. The system must provide a safe structure for supporting at least one bicycle." is an example of a problem statement. It clearly defines the problem that needs to be addressed, which is designing a system for storing adult mountain bikes while ensuring safety. It sets the direction for the design process by identifying the specific issue that needs to be solved.

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  • 15. 

    What visual principle of design best describes the surface of the patio table pictured below?

    • A.

      Radial balance

    • B.

      Informal balance

    • C.

      Unity

    • D.

      Emphasis

    Correct Answer
    A. Radial balance
    Explanation
    The surface of the patio table pictured below best exemplifies radial balance. Radial balance is a visual principle of design where elements radiate out from a central point. In this case, the table's surface has a circular arrangement of tiles that radiate out from the center, creating a sense of balance and harmony. The repetition of the circular pattern and the equal distribution of visual weight contribute to the overall radial balance of the design.

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  • 16. 

    What visual element of design best describes the image to the right? 

    • A.

      Value

    • B.

      Color

    • C.

      Form

    • D.

      Texture

    Correct Answer
    A. Value
    Explanation
    Value is the visual element of design that best describes the image to the right. Value refers to the lightness or darkness of a color, and in this case, it is the contrast between the different shades of gray in the image. The image appears to have a range of values, from light to dark, which creates depth and dimension.

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  • 17. 

    ____ is the process of taking something apart and analyzing its workings in detail, usually with the intention to understand the function, prepare documentation, collect electronic data, or construct a new or improved device or program, without actually copying from the original.

    • A.

      Reverse engineering

    • B.

      Research and development

    • C.

      Concurrent engineering

    • D.

      Rapid prototyping

    Correct Answer
    A. Reverse engineering
    Explanation
    Reverse engineering is the process of taking something apart and analyzing its workings in detail, usually with the intention to understand the function, prepare documentation, collect electronic data, or construct a new or improved device or program, without actually copying from the original.

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  • 18. 

    The part pictured to the right needs to be chrome plated for the application it will be used for. What physical property will the manufacturer need to know to be able to plate 5,000 of these parts?

    • A.

      Volume

    • B.

      Density

    • C.

      Center of gravity

    • D.

      Surface area

    Correct Answer
    D. Surface area
    Explanation
    The manufacturer will need to know the surface area of the part in order to chrome plate 5,000 of them. Surface area is an important physical property to consider when plating objects, as it determines the amount of chrome needed and the cost of the plating process. By knowing the surface area, the manufacturer can accurately calculate the amount of chrome required and plan the plating process efficiently.

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  • 19. 

    How many sketches would be needed to create this part?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    A. 1
  • 20. 

    If the sweep feature was applied to the shape and path pictured below, which figure would most likely result?

    • A.

      Figure 1

    • B.

      Figure 2

    • C.

      Figure 3

    • D.

      Figure 4

    Correct Answer
    D. Figure 4
    Explanation
    If the sweep feature is applied to the shape and path pictured, it is most likely that Figure 4 would result.

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  • 21. 

    If a single mate constraint is applied between two opposing surfaces in an assembly, how many degrees of freedom will remain between the two parts?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    C. 3
    Explanation
    When a single mate constraint is applied between two opposing surfaces in an assembly, it restricts the relative motion of the two parts in two directions. However, it still allows rotation about one axis. Therefore, three degrees of freedom will remain between the two parts.

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  • 22. 

    What is the maximum number of bike frames you could ship in one box, at one time, if the postal service has a twenty pound weight limit per package? The bike frame has the following mass properties: mass = 5.67lbs; volume = 58.35 in3; and area = 121.87 in2.

    • A.

      1

    • B.

      3

    • C.

      5

    • D.

      7

    Correct Answer
    B. 3
    Explanation
    The maximum number of bike frames that can be shipped in one box is 3. Each bike frame has a mass of 5.67 lbs, and the postal service has a weight limit of 20 lbs per package. Therefore, the total weight of the bike frames would be 5.67 lbs x 3 = 17.01 lbs, which is below the weight limit. Additionally, the volume and area of the bike frames are not mentioned in relation to the weight limit, so they are not relevant in determining the maximum number of bike frames that can be shipped.

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  • 23. 

    What information is missing from the annotation of the counterbored hole?

    • A.

      Hole Depth

    • B.

      Hole Diameter

    • C.

      Counterbore Depth

    • D.

      Counterbore Diameter

    Correct Answer
    C. Counterbore Depth
    Explanation
    The information missing from the annotation of the counterbored hole is the Counterbore Depth. The annotation should include the depth of the counterbore, which refers to the distance from the surface of the material to the bottom of the counterbore. This information is crucial for accurately manufacturing the counterbored hole.

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  • 24. 

    Engineers and designers commonly use a ____, which is a tool for systematically ranking alternatives according to a set of criteria.

    • A.

      Decision matrix

    • B.

      Parts list

    • C.

      Comparison chart

    • D.

      Histogram

    Correct Answer
    A. Decision matrix
    Explanation
    Engineers and designers often need to evaluate and compare different alternatives based on specific criteria. To do this, they use a decision matrix, which is a systematic tool for ranking alternatives. A decision matrix allows them to assign weights to different criteria and assess each alternative's performance against those criteria. By using this tool, engineers and designers can make informed decisions and select the best alternative based on their specific needs and requirements.

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  • 25. 

    The o-ring identified in the assembly above is still a source of leaks within this personal hydration product. What type of analysis will the engineer/designer need to focus on to solve this issue?

    • A.

      Functional analysis

    • B.

      Structural analysis

    • C.

      Visual analysis

    • D.

      Cost analysis

    Correct Answer
    A. Functional analysis
    Explanation
    The engineer/designer will need to focus on functional analysis to solve the issue of leaks caused by the o-ring. Functional analysis involves examining the performance and behavior of the product to identify any functional deficiencies or failures. By analyzing how the o-ring functions within the assembly, the engineer/designer can determine the root cause of the leaks and develop solutions to address the issue effectively. This analysis will help ensure that the o-ring is functioning correctly and preventing any leaks in the personal hydration product.

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  • 26. 

    Many project teams are made up of team members that never meet face-toface; they communicate throughout the project using email and sharing computer files. This type of project teamwork is referred to as _________.

    • A.

      Virtual teaming

    • B.

      Cyber clans

    • C.

      Wireless working

    • D.

      Net working

    Correct Answer
    A. Virtual teaming
    Explanation
    Virtual teaming refers to the practice of collaborating and working together on a project without physically meeting face-to-face. In this type of teamwork, team members communicate through email and share computer files to complete their tasks. This approach allows for flexibility and enables individuals from different locations to work together efficiently, leveraging technology and online platforms for communication and collaboration.

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  • 27. 

    The term used when project team members all generally agree on a decision is_______.

    • A.

      Consensus

    • B.

      Mediation

    • C.

      Ethics

    • D.

      Arbitration

    Correct Answer
    A. Consensus
    Explanation
    Consensus is the term used when project team members all generally agree on a decision. It indicates that there is a general consensus or majority agreement among the team members regarding a particular decision or course of action. This implies that the team has reached a collective understanding and agreement, which can lead to smoother implementation and better team cohesion. Mediation, ethics, and arbitration are not relevant in this context as they involve different processes or considerations.

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  • 28. 

    Who is responsible for designing most products used in today’s society?

    • A.

      Corporate CEO's and Presidents

    • B.

      Carpenters

    • C.

      Engineers

    • D.

      Technicians

    Correct Answer
    C. Engineers
    Explanation
    Engineers are responsible for designing most products used in today's society. They use their knowledge and skills in various fields such as mechanical, electrical, and civil engineering to create and develop products that meet the needs and demands of society. Engineers apply scientific principles, mathematical calculations, and technological advancements to design and innovate products that improve our daily lives. They work closely with other professionals and stakeholders to ensure that the products are safe, functional, and efficient. Therefore, engineers play a crucial role in shaping the modern world and the products we use.

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  • 29. 

    What engineering method uses a logical sequence of steps that begins with a specific problem, or perceived need, and results in a solution?

    • A.

      Data collection

    • B.

      Brain storming

    • C.

      Design process

    • D.

      Innovation

    Correct Answer
    C. Design process
    Explanation
    The design process is an engineering method that follows a logical sequence of steps to address a specific problem or need and ultimately provides a solution. It involves identifying the problem, gathering relevant data, brainstorming ideas, creating and evaluating potential designs, and refining the final solution. This systematic approach ensures that engineers consider all aspects of the problem and develop effective solutions.

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  • 30. 

    What principle of design involves a gradual change from one feature of the design to another?

    • A.

      Subordination

    • B.

      Transition

    • C.

      Repetition

    • D.

      Proportion

    Correct Answer
    B. Transition
    Explanation
    Transition is the correct answer because it refers to the principle of design that involves a gradual change from one feature of the design to another. Transition is often used to create a smooth and cohesive flow between different elements in a design, allowing for a seamless transition from one element to another. This principle helps to create visual interest and can be applied to various design elements such as color, shape, texture, or size.

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  • 31. 

    What principle of design is being considered when sketching a bicycle tire in relationship to the size of its frame?

    • A.

      Subordination

    • B.

      Transition

    • C.

      Repetition

    • D.

      Proportion

    Correct Answer
    D. Proportion
    Explanation
    Proportion is the principle of design being considered when sketching a bicycle tire in relation to the size of its frame. Proportion refers to the size, scale, and ratio of the different elements in a design. In this case, it is important to maintain the correct proportion between the tire and the frame to ensure a visually balanced and harmonious composition. A tire that is too large or too small in relation to the frame would create an unbalanced and awkward design. Therefore, considering proportion is crucial in achieving a visually appealing and functional bicycle design.

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  • 32. 

    Which line type is labeled C?

    • A.

      Construction line

    • B.

      Object line

    • C.

      Horizon line

    • D.

      Vanishing line

    Correct Answer
    A. Construction line
    Explanation
    The line labeled C is a construction line. Construction lines are used to help in the construction or layout of a drawing. They are usually drawn lightly and are not part of the final drawing. In contrast, object lines represent the visible edges or outlines of objects in a drawing. Horizon lines are used in perspective drawings to represent the viewer's eye level, and vanishing lines are used to create the illusion of depth and perspective.

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  • 33. 

    Which line type is labeled B?

    • A.

      Construction line

    • B.

      Object line

    • C.

      Horizon line

    • D.

      Vanishing line

    Correct Answer
    B. Object line
    Explanation
    The line labeled B is an object line. Object lines are used to represent the visible edges or outlines of an object in a drawing. They are drawn with a solid, dark line to distinguish them from other types of lines.

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  • 34. 

    Label A is pointing to a ___.

    • A.

      Construction line

    • B.

      Object line

    • C.

      Horizon line

    • D.

      Vanishing point

    Correct Answer
    D. Vanishing point
    Explanation
    Label A is pointing to the vanishing point. The vanishing point is a point in a perspective drawing where parallel lines appear to converge. It is used to create the illusion of depth and distance in the drawing. In this case, label A is indicating the point where the parallel lines in the drawing converge, suggesting that it is the vanishing point.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 13, 2015
    Quiz Created by
    Christopher Mack
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