I.E.D. Final Exam Part B (Spring 2014)

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I.E.D. Final Exam Part B (Spring 2014) - Quiz

Spring 2014


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 and refine their ideas before moving on to production. Prototypes can be physical models or virtual representations created using computer-aided design (CAD) software. They are essential for identifying design flaws, improving functionality, and gathering feedback from stakeholders.

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  • 2. 

    A ___ is used to effectively communicate the details of a project and includes technical drawings with a parts list.

    • A.

      Engineering log

    • B.

      Engineering notebook

    • C.

      Portfolio

    • D.

      Design brief

    Correct Answer
    C. Portfolio
    Explanation
    A portfolio is used to effectively communicate the details of a project and includes technical drawings with a parts list. It serves as a comprehensive collection of work samples that showcase an individual's skills, experiences, and accomplishments. In the context of engineering, a portfolio would typically include technical drawings and specifications of projects, along with a parts list to provide a detailed overview of the project. It allows others to assess the individual's abilities and expertise in a visually appealing and organized manner.

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  • 3. 

    Which of the following is not a physical property?

    • A.

      Mass

    • B.

      Density

    • C.

      Height

    • D.

      Weight

    Correct Answer
    C. Height
    Explanation
    Height is not considered a physical property because it is a measure of distance or length, which is a dimensional quantity rather than a physical property. Physical properties are characteristics of a substance that can be observed or measured without changing the substance's chemical composition, such as mass, density, and weight. Height, on the other hand, is a measurement of how tall or high something is and does not provide information about the inherent properties of a substance.

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  • 4. 

    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 r is the radius of the base and h is the height. In this case, the diameter is given as 2.0 ft, so the radius is 1.0 ft. The height is given as 3.25 ft. Plugging these values into the formula, we get V = π(1.0^2)(3.25) = 10.205 cubic feet. Therefore, the correct answer is 10.205 cubic feet.

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  • 5. 

    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 the slab can be calculated by finding the area of each face and then adding them together. The slab has six faces: the top, bottom, front, back, left side, and right side. The area of each face can be found by multiplying the width by the height.

    The area of the top and bottom faces is 7.5 ft * 4.2 ft = 31.5 square feet each.

    The area of the front and back faces is 7.5 ft * 0.5 ft = 3.75 square feet each.

    The area of the left and right side faces is 4.2 ft * 0.5 ft = 2.1 square feet each.

    Adding all the areas together, we get 31.5 + 31.5 + 3.75 + 3.75 + 2.1 + 2.1 = 74.7 square feet. Therefore, the correct answer is 74.7 square feet.

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  • 6. 

    Which of these is not a reason to perform reverse engineering on a product?

    • A.

      Visual, structural and Functional analysis

    • B.

      Discovery and Investigation

    • C.

      Product Improvement

    • D.

      Marketing Analysis

    Correct Answer
    D. Marketing Analysis
    Explanation
    Reverse engineering is the process of deconstructing a product to understand its design, functionality, and components. It is commonly performed for reasons such as visual, structural, and functional analysis, discovery and investigation, and product improvement. However, marketing analysis is not a reason to perform reverse engineering on a product. Marketing analysis typically involves studying market trends, consumer behavior, and competition to make informed marketing decisions, which does not require reverse engineering.

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  • 7. 

    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 logbook where they can document their thoughts, ideas, calculations, sketches, and any other relevant information related to their projects. It acts as a legal document that can be used to establish the timeline and ownership of intellectual property, providing evidence of the originality and development of ideas.

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  • 8. 

    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 an angle, usually 45 degrees. This type of sketch provides a realistic representation of an object by showing its front face in true shape and size, while also showing depth and perspective. It is different from other options such as two-point perspective, isometric pictorial, and orthographic projection, which have their own distinct characteristics and methods of representing three-dimensional objects.

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  • 9. 

    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 involves adding different shades of gray or color to create the illusion of depth and form. By adding tonal shading, the sketch becomes more realistic and visually appealing, as it helps to define the light and shadow areas, giving the objects in the sketch a three-dimensional appearance.

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  • 10. 

    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
    To convert inches to millimeters, we need to multiply the number of inches by 25.4. Since the wood block has a height of 2 inches, when we multiply 2 by 25.4, we get 51.0 mm. Therefore, the block's height would be 51.0 mm if it were converted to millimeters.

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  • 11. 

    A quality control technician has requested a statistical analysis on 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 the data is arranged in ascending or descending order. In this case, the data set is already arranged in ascending order: 69, 72, 73, 75, 77, 80, 82. Since there are an odd number of values (7), the median value would be the value in the middle, which is 75.

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  • 12. 

    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 serves as a guide for designers and helps them understand the scope and objectives of a project. The design brief outlines the problem statement, desired outcomes, target audience, budget, timeline, and any other relevant information. It provides a clear direction and sets expectations for the design process, ensuring that the final solution meets the client's requirements.

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  • 13. 

    What type of model is represented by this clay car image to the right ?

    • A.

      Mock-up

    • B.

      Prototype

    • C.

      Realistic

    • D.

      Functional

    Correct Answer
    A. Mock-up
    Explanation
    The correct answer is mock-up. A mock-up is a representation or a model that is created to give an idea or a visual representation of a product or design. It is usually made using low-cost materials and is not fully functional. In this case, the clay car image is a mock-up because it is a representation of a car design created using clay, which is a common material used for mock-ups in the automotive industry.

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  • 14. 

    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 objects that share the same center point. In the context of the given question, the hole and the cylinder have the same center point, making them concentric. This means that the hole is located at the center of the cylinder and they have a common axis.

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  • 15. 

    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 by the height and dividing the result by 2. In this case, the base is 1.5 inches and the height is 3 inches. Therefore, the area of the triangle is (1.5 * 3) / 2 = 4.5 / 2 = 2.25 inches.

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  • 16. 

    What dimensioning system best describes the image below?

    • A.

      Chain dimensioning

    • B.

      Orthographic dimensioning

    • C.

      Two dimensioning

    • D.

      Datum dimensioning

    Correct Answer
    D. Datum dimensioning
    Explanation
    The image shown is an example of datum dimensioning, which is a dimensioning system that uses a series of reference points called datums to establish the location and orientation of features on a part. This system is commonly used in engineering and manufacturing to ensure precise and consistent measurements.

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  • 17. 

    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 provided, the parts list indicates that there were supposed to be 7 steel cover plate screws included in the original package.

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  • 18. 

    What type of hole is being created on this part?

    • A.

      Blind hole

    • B.

      Through hole

    • C.

      Counter bore hole

    • D.

      Counter sink hole

    Correct Answer
    A. Blind hole
    Explanation
    A blind hole is being created on this part. A blind hole is a hole that does not go all the way through the material. It is a hole that has a bottom, and it does not penetrate the entire depth of the material. In contrast, a through hole goes completely through the material. Counter bore hole and counter sink hole are different types of holes that involve creating wider openings at the entrance of a hole, but they do not specify whether the hole is blind or through.

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  • 19. 

    What view is needed to accurately show the true size and shape of the incline plane on a skateboard ramp pictured below?

    • A.

      Auxiliary view

    • B.

      Detailed view

    • C.

      Section view

    • D.

      Top view

    Correct Answer
    A. Auxiliary view
    Explanation
    An auxiliary view is needed to accurately show the true size and shape of the incline plane on a skateboard ramp. An auxiliary view is a projection that is used to show an object's true shape and size by projecting it onto a plane that is perpendicular to the inclined plane. This allows for a more accurate representation of the incline plane's dimensions and angles, which would not be fully visible in other views such as the top view.

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  • 20. 

    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 demographics of the target consumers, designers can create a product that aligns with their desires and expectations. This ensures that the product will be relevant, appealing, and successful in the market. Architects, measuring standards, and production costs are not directly related to identifying the target consumers for a product design.

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  • 21. 

    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         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. A problem statement defines the issue or challenge that needs to be addressed in the design process. In this case, the problem statement is about designing a system for storing adult mountain bikes and ensuring it provides a safe structure for supporting the bikes.

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  • 22. 

    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 in the picture exhibits radial balance. Radial balance is a visual principle of design that involves arranging elements around a central point, creating a sense of equilibrium and harmony. In this case, the table's surface has a circular pattern with elements radiating outwards from the center, creating a balanced and symmetrical composition.

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  • 23. 

    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 refers to the lightness or darkness of an image or color. In the context of this question, the visual element of value best describes the image to the right because it focuses on the contrast between light and dark areas, rather than the specific colors used or the overall form or texture of the image.

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  • 24. 

    ____ is the process of taking something apart and analyzing its workings in detail, usually with the intention to understand 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 dismantling and examining the inner workings of something in order to gain a thorough understanding of its functionality. This is typically done without the intention of directly copying the original, but rather to create documentation, collect data, or develop a new and improved version of the device or program.

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  • 25. 

    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
    To chrome plate 5,000 parts, the manufacturer needs to know the surface area of each part. The surface area determines the amount of chrome plating material required to cover the parts adequately. By knowing the surface area, the manufacturer can calculate the amount of chrome plating solution needed and ensure that all parts are properly plated.

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  • 26. 

    How many sketches would be needed to create this part?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    A. 1
    Explanation
    Only one sketch would be needed to create this part. This suggests that the part is simple and can be fully defined with just one sketch.

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  • 27. 

    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 below, it is most likely that Figure 4 would result.

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  • 28. 

    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 movement in one direction but allows rotation around two axes. This means that there are still three degrees of freedom remaining between the two parts.

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  • 29. 

    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
    Based on the given information, the postal service has a weight limit of 20 pounds per package. The bike frame has a mass of 5.67 pounds. To determine the maximum number of bike frames that can be shipped in one box, we divide the weight limit by the mass of each bike frame. 20 pounds / 5.67 pounds = 3.52. Since we cannot have a fraction of a bike frame, the maximum number of bike frames that can be shipped in one box is 3. Therefore, the correct answer is 3.

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  • 30. 

    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 provides the hole depth, hole diameter, and counterbore diameter, but does not specify the depth of the counterbore.

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  • 31. 

    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 commonly use a decision matrix, which is a tool for systematically ranking alternatives according to a set of criteria. A decision matrix allows them to evaluate different options by assigning weights to each criterion and scoring each alternative based on those criteria. This helps in making informed decisions by providing a structured and organized approach to compare and analyze the available choices. A decision matrix is particularly useful when there are multiple factors to consider and when there is a need to prioritize or select the best alternative among several options.

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  • 32. 

    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
    To solve the issue of leaks in the personal hydration product, the engineer/designer will need to focus on functional analysis. This type of analysis involves studying the functionality and performance of the product to identify any flaws or areas that need improvement. By analyzing the function of the o-ring and its interaction with other components, the engineer/designer can pinpoint the cause of the leaks and develop a solution to address the issue effectively. Structural analysis, visual analysis, and cost analysis may not directly address the functionality of the o-ring and may not provide a comprehensive solution to the problem.

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  • 33. 

    Stages a product goes through from concept and use to eventual withdrawal from the market place is called ______.

    • A.

      Product life-cycle

    • B.

      Ergonomics

    • C.

      Cradle to cradle

    • D.

      Human impacts

    Correct Answer
    A. Product life-cycle
    Explanation
    The product life-cycle refers to the various stages that a product goes through, starting from its conception and use, to its eventual withdrawal from the market. This includes the development, introduction, growth, maturity, and decline phases of the product. The concept of the product life-cycle helps businesses understand and plan for the different stages of a product's existence, allowing them to make informed decisions regarding marketing, pricing, and resource allocation.

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  • 34. 

    This government organization’s mission is to assure the safety and health of America's workers by setting and enforcing standards.

    • A.

      OSHA

    • B.

      ANSI

    • C.

      NASA

    • D.

      MI-6

    Correct Answer
    A. OSHA
    Explanation
    OSHA stands for Occupational Safety and Health Administration. It is a government organization responsible for ensuring the safety and health of American workers. OSHA achieves this by setting and enforcing standards in the workplace. This includes regulations related to workplace hazards, employee training, and the implementation of safety protocols. OSHA plays a crucial role in protecting workers from occupational injuries, illnesses, and fatalities.

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  • 35. 

    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
    The correct answer is virtual teaming. In this type of project teamwork, team members communicate and collaborate without meeting in person, relying on email and sharing computer files instead. This allows for remote work and flexibility, as team members can be located in different locations and still effectively work together on a project.

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  • 36. 

    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. This means that there is a general consensus or agreement among the team members regarding the decision at hand. Consensus is an important aspect of effective teamwork and decision-making as it ensures that all team members are on the same page and are working towards a common goal. Mediation, ethics, and arbitration are not relevant to this context and do not involve the same level of agreement among team members.

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  • 37. 

    Conflict between design team members is a common occurrence. What specific strategy can be used to address member conflict?

    • A.

      Consensus

    • B.

      Mediation

    • C.

      Ethics

    • D.

      Arbitration

    Correct Answer
    B. Mediation
    Explanation
    Mediation is a specific strategy that can be used to address member conflict within a design team. Mediation involves the intervention of a neutral third party who helps facilitate communication and negotiation between conflicting members. This strategy allows for open dialogue, active listening, and the exploration of potential solutions. Mediation aims to find a mutually agreeable resolution and promote understanding and collaboration among team members. It is an effective approach to resolving conflicts and fostering a positive and productive work environment.

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  • 38. 

    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 have the knowledge and skills to develop and create various products, ranging from electronics to machinery. Engineers use their expertise in science, mathematics, and technology to design products that meet specific requirements and solve problems. Their role is essential in ensuring that products are functional, safe, and efficient.

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  • 39. 

    ______ is a step in the design process that involves reassessing the design specifications, implementing modifications, and updating drawings.

    • A.

      Conceptualization

    • B.

      Optimization

    • C.

      Design analysis

    • D.

      Design and implementation

    Correct Answer
    B. Optimization
    Explanation
    Optimization is the correct answer because it refers to the step in the design process that involves reassessing the design specifications, implementing modifications, and updating drawings. This step focuses on improving the design to achieve the best possible outcome, considering factors such as efficiency, performance, cost-effectiveness, and user satisfaction. By optimizing the design, any flaws or limitations can be identified and addressed, resulting in an improved final product or solution.

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  • 40. 

    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 solve a specific problem or fulfill a perceived need. It involves identifying the problem, conducting research and data collection, brainstorming ideas, creating and testing prototypes, and refining the solution until a final design is achieved. This method allows engineers to systematically approach and solve complex problems by breaking them down into manageable steps.

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  • 41. 

    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. This principle is commonly used to create smooth and harmonious transitions between different elements or components of a design. Transition can be achieved through various techniques such as blending colors, changing shapes or sizes gradually, or using transitional elements to bridge the gap between different design elements.

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  • 42. 

    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 different elements in a design. In this case, it is important to ensure that the size of the bicycle tire is proportionate to the size of the frame to create a visually balanced and harmonious composition.

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  • 43. 

    A(n)____ is a list of the topics covered in someone’s written work and should be included in a portfolio.

    • A.

      Appendix

    • B.

      Table of contents

    • C.

      Biography

    • D.

      Glossary

    Correct Answer
    B. Table of contents
    Explanation
    A table of contents is a list of the topics covered in someone's written work and should be included in a portfolio. It helps the reader navigate through the document and provides a clear outline of the content. Including a table of contents in a portfolio allows the reader to easily find specific sections or topics of interest, making the portfolio more organized and user-friendly.

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  • 44. 

    An organized collection of your best work during a class or major project is called a(n)______.

    • A.

      Design diary

    • B.

      Portfolio

    • C.

      Engineer's notebook

    • D.

      Experience log

    Correct Answer
    B. Portfolio
    Explanation
    A portfolio is an organized collection of an individual's best work, showcasing their skills and accomplishments. It is commonly used in the context of a class or a major project to present a compilation of the individual's achievements and progress. A portfolio serves as a visual representation of one's abilities and can be used to demonstrate expertise and suitability for future opportunities such as job applications or further education.

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  • 45. 

    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.

      Extension line

    • D.

      Construction line

    Correct Answer
    D. Construction line
    Explanation
    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 guidelines to help in the accurate placement of other lines and shapes in the sketch. They are not part of the final drawing and are usually erased once the sketch is complete.

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  • 46. 

    What 3-dimensional sketch is drawn true size in its height and width but foreshortened in its depth, as illustrated to the right?

    • A.

      Isometric sketch

    • B.

      Cabinet Oblique sketch

    • C.

      Cavalier Oblique sketch

    • D.

      Two-point Perspective sketch

    Correct Answer
    B. Cabinet Oblique sketch
    Explanation
    A Cabinet Oblique sketch is drawn true size in its height and width but foreshortened in its depth. This means that the height and width of the sketch accurately represent the actual measurements, while the depth is depicted at a reduced scale to create a sense of depth and perspective. This type of sketch is commonly used in technical drawings and architectural designs to provide a clear representation of an object's dimensions and proportions.

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  • 47. 

    A line touching an arc or circle at only one point perpendicular to the arc’s radius is said to be ____________.

    • A.

      Tangent

    • B.

      Parallel

    • C.

      Concentric

    • D.

      Coincident

    Correct Answer
    A. Tangent
    Explanation
    A line that touches an arc or circle at only one point and is perpendicular to the arc's radius is called a tangent.

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  • 48. 

    A drawing sheet  would require ___ views to fully describe the part above.

    • A.

      Front, right, and auxiliary

    • B.

      Front, top, and auxiliary

    • C.

      Front, top, and section

    • D.

      Front, left, and section

    Correct Answer
    A. Front, right, and auxiliary
    Explanation
    To fully describe the part above on a drawing sheet, it would require the front view, right view, and auxiliary view. The front view provides the overall shape and features of the part, the right view shows the part from the right side, and the auxiliary view provides additional information or details that may not be visible in the front or right view. These three views together would give a comprehensive description of the part on the drawing sheet.

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  • 49. 

    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 correct answer is construction line. Construction lines are used in technical drawings to show the construction or layout of an object. They are often lightly drawn and are not part of the final drawing. In this case, line C is labeled as a construction line, indicating that it is used for reference and not part of the final object.

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  • 50. 

    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 type labeled B is an object line. Object lines are used to represent the visible edges and outlines of objects in a drawing. They are solid and continuous lines that define the shape and form of the objects being depicted.

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