Podcast
Questions and Answers
What method begins with an evaluation of the current product and its manufacturing process?
What method begins with an evaluation of the current product and its manufacturing process?
Which approach emphasizes learning from past engineering materials and manufacturing methods?
Which approach emphasizes learning from past engineering materials and manufacturing methods?
What is the safest and most comprehensive approach to improving product design?
What is the safest and most comprehensive approach to improving product design?
Which of the following options reflects an evaluation of competitors' products?
Which of the following options reflects an evaluation of competitors' products?
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In the SIPOC method, what does the 'S' stand for?
In the SIPOC method, what does the 'S' stand for?
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What type of polymers are created through the chain-like process of addition polymerization?
What type of polymers are created through the chain-like process of addition polymerization?
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Which statement correctly describes step polymerization?
Which statement correctly describes step polymerization?
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Which of the following accurately describes the effect of degree of polymerization on mechanical properties?
Which of the following accurately describes the effect of degree of polymerization on mechanical properties?
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What is the primary advantage of using plastics in manufacturing?
What is the primary advantage of using plastics in manufacturing?
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Which type of polymer remains solid at room temperature but melts upon heating?
Which type of polymer remains solid at room temperature but melts upon heating?
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What is a characteristic of elastomers?
What is a characteristic of elastomers?
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What is a characteristic of copolymers synthesized from ethylene and propylene?
What is a characteristic of copolymers synthesized from ethylene and propylene?
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What is the primary function of an extruder?
What is the primary function of an extruder?
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Which type of polymerization is also known as chain polymerization?
Which type of polymerization is also known as chain polymerization?
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Which characteristic is true for natural polymers compared to synthetic ones?
Which characteristic is true for natural polymers compared to synthetic ones?
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Which of the following is classified as a thermosetting polymer?
Which of the following is classified as a thermosetting polymer?
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What types of polymerization are commonly used?
What types of polymerization are commonly used?
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Which of the following is a common thermoplastic polymer?
Which of the following is a common thermoplastic polymer?
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What is the process of Injection Molding primarily used for?
What is the process of Injection Molding primarily used for?
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Which material system is composed of two or more distinct phases?
Which material system is composed of two or more distinct phases?
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Which of the following products are glass filled and carbon filled nylons typically used to make?
Which of the following products are glass filled and carbon filled nylons typically used to make?
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What primary concern does a designer have regarding a product?
What primary concern does a designer have regarding a product?
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What stage involves developing a workable design including geometric features and dimensions?
What stage involves developing a workable design including geometric features and dimensions?
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At what point do we evaluate if the proposed solution meets production speeds and quantities?
At what point do we evaluate if the proposed solution meets production speeds and quantities?
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What describes the structured steps used to convert inputs into outputs?
What describes the structured steps used to convert inputs into outputs?
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What term refers to the products or services that result from a process?
What term refers to the products or services that result from a process?
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Who is described as the recipient of the output in a production process?
Who is described as the recipient of the output in a production process?
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Which option defines the provider of inputs into a process?
Which option defines the provider of inputs into a process?
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Which phenomenon contributes to increased fracture toughness by requiring additional stress for crack propagation?
Which phenomenon contributes to increased fracture toughness by requiring additional stress for crack propagation?
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Study Notes
General Directions/Instructions
- Strictly no erasures.
- Write legibly.
- Use a black pen only.
- Place bags in designated area.
Learning Outcomes
- Students demonstrate understanding of non-metallic materials (polymers and composite materials).
- Students apply material selection principles to address engineering and design challenges.
True or False (1 Point Each)
- Polymer is a compound of long-chain molecules with repeating units.
- Polymers are classified into synthetic and natural types.
- Plastics can be molded into shapes with little further processing.
- Addition polymerization is the same as chain polymerization.
- Step polymerization joins two monomers to form a new molecule.
- Higher degree of polymerization results in higher strength but higher viscosity.
- Copolymer of ethylene and propylene has elastomeric properties.
- Thermoplastics are solids at room temperature but become viscous liquids when heated.
- Elastomers exhibit high elasticity under low stress.
- Injection molding forces molten polymer under pressure into a die.
Identification (1 Point Each)
- Composite material: A material system with distinct phases producing combined properties.
- Structural member: A component that must withstand loads.
- Polymer Matrix Composite (PMC): Non-recyclable, typically a liquid.
- Polymeric Matrix Composite (PMC): Widely used resins in many applications.
- Polyimide: Classified as thermoplastic or thermosetting, used in various applications.
- Engineering polymer: Used in manufacturing parts with diverse applications.
- Thermoplastic polymer: Large class of synthetic polymers, highly used.
- Polypropylene: Commonly used commercial polymer with chemical and mechanical strength.
- Metal Matrix Composites (MMC): Materials with additional ceramic phases for enhanced properties.
- Ceramic Matrix Composites (CMC): Mixtures of one or more ceramic phases for enhanced properties.
Multiple Choice (1 Point Each)
- Design Focus: Primarily concerned with product functions.
- Workable Design: Detailed plan (geometric features, dimensions, materials) for manufacturing.
- Production Compatibility: Assess production compatibility with speed and quantity.
- Process Steps: Structured steps converting inputs to outputs.
- Product Output: Products or services resulting from the process.
- Recipient of Output: Recipient of the produced output.
- Process Provider: The provider of inputs into a process.
Case History Method & New Product Development
- Safest and most comprehensive approach.
- Evaluates current product and its manufacturing method.
- Begins by evaluating past engineering, materials, methods, or competitor practices.
Studying That Suits You
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Description
This quiz assesses students' knowledge of non-metallic materials, specifically polymers and composite materials. Students will demonstrate their understanding of material selection principles to solve engineering and design challenges through a series of true or false statements.
