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WorksheetsFinal exam revision quiz for ENGG303a
Total questions: 44
Worksheet time: 22mins
Which scenario best illustrates Market Pull in product design?
Researchers develop new sensor materials
Scientists create stronger composite frames
Users request lighter portable devices
A lab invents a high-energy battery
Technology Push occurs when which factor initiates a product idea?
New science enables novel materials
Customers complain about failures
User surveys reveal unmet needs
Market demand rises for eco cars
Which goal is part of sustainability in engineering?
Maximise production speed
Increase marketing budget
Expand product colour range
Reduce carbon footprint
Which example aligns with improving energy efficiency in products?
Increasing packaging thickness
Using heavier metal housings
Adding decorative lighting features
Reducing product power consumption
Which design challenge focuses on lowering material while keeping performance?
Expand distribution channels
Add complex user interfaces
Reduce mass without losing strength
Increase advertising appeal
A scooter company redesigns its brake system to be lighter. Which challenge is addressed?
Improve sales forecasting
Enhance colour customization
Reduce mass of components
Comply with tax regulations
Improving motor efficiency primarily targets which engineering challenge?
Reduce energy use during operation
Increase packaging visibility
Lower upfront tooling costs
Improve social media engagement
Which action supports reliability in engineering products?
Shorten product service intervals
Reduce component wear through design
Add optional decorative parts
Increase device screen brightness
Designing products to last longer mainly contributes to which sustainability aim?
Improve nonfunctional aesthetics
Increase unit manufacturing speed
Maximise brand recognition
Minimise waste and replacements
Meeting national safety standards addresses which aspect of engineering design?
Regulatory compliance constraints
Post-sale marketing strategies
Aesthetic customization options
Nontechnical consumer trends
Which item is a regulatory constraint in product design?
Mechanical interface alignment
Heat dissipation strategy
Government safety standards
Integration with legacy systems
At the equipment level, which constraint must be considered?
Legal compliance procedures
Available floor space limits
Electromagnetic compatibility needs
ISO certification audits
Which system-level constraint best describes making a new module work with an existing factory line?
Cooling requirements
Government safety standards
Space restrictions
Integration with existing systems
Which metric directly evaluates how consistently a product performs over time?
Efficiency
Strength
Reliability
Wear
Stopping distance of a brake system is primarily an example of analyzing which aspect?
Strength
Interface performance
Efficiency
Material behaviour
Which performance analysis metric focuses on energy losses during operation?
Wear progression rate
Efficiency under load
Tensile strength limit
Reliability across cycles
Customer requirements often include ergonomics. What is ergonomics primarily concerned with?
Legal compliance rules
Visual appeal of surfaces
Heat generation levels
Comfort and usability
Which customer requirement relates to how the product looks?
Aesthetics
Reliability
Usability
Anthropometrics
Patents are intended to protect which of the following?
Unique selling messages
ISO process documentation
Brand color palettes
New inventions and functionality
What best describes a Unique Selling Point (USP)?
A feature making a product better
A compliance test certificate
A patent preventing copying
A warranty covering defects
In a 3D freehand sketch, which dimensions must be shown?
Pitch, yaw, roll
Area, volume, density
Length, mass, time
Width, height, depth
Freehand sketching in design is mainly used for which activity?
Concept development and communication
Regulatory audit preparation
Finite element validation
Tooling cost estimation
Which measure identifies the middle value after ordering a dataset?
Mean of all values combined
Median when data is ordered
Mode appearing most frequently
Variance showing data spread
For data values 7.0, 7.1, 7.2, 7.4, 7.5, what is the median?
7.1 in the ordered list
7.2 in the ordered list
7.4 in the ordered list
7.3 in the ordered list
Which chart type is best for percentage or proportion data?
Histogram of class intervals
Line chart connecting points
Bar chart with equal widths
Pie chart using sector angles
How is a pie chart sector angle calculated for a category with 25%?
25 × 360 then divide by 100
100 ÷ 25 times 360
360 ÷ 25 then add 100
25 ÷ 360 to get degrees
Which display is most suitable for categorical data like material type?
Bar chart with separate bars
Pie chart with radial scale
Scatter plot with paired points
Histogram with continuous bins
Which display is used for continuous measurements such as height or speed?
Pie chart for shares
Histogram with ranges
Bar chart for categories
Dot plot for counts
What does variance primarily describe in a dataset?
Spread of data around mean
Order position of middle value
Central tendency of values
Frequency of repeated values
Design for Manufacture aims to achieve which outcome?
Complex shapes with high cost
Easy production and low cost
Long development with many steps
Unproven assembly and testing
Which consideration is part of manufacturing analysis?
Selecting assembly processes
Ignoring life-cycle costs
Maximizing aesthetic features
Prioritizing unique prototypes
Product obsolescence most likely results from which change?
Stable customer preferences
Static technology over decades
New technology and needs
Unlimited product durability
Risk reduction in design is closely linked to which activity?
Delaying testing phases
Removing safety features
Increasing failure probability
Reducing failure risk
Which statement best describes quality indicators in manufacturing?
Used to hide process issues
Used to evaluate performance
Used to increase obsolescence
Used to raise product price
Manufacturing time allocation shows Assembly at 40%. What is the pie chart angle for Assembly?
180 degrees
144 degrees
108 degrees
90 degrees
Using angle = percentage/100 × 360, what angle corresponds to 10% in a pie chart?
18 degrees
72 degrees
54 degrees
36 degrees
Given data: 7.5, 7.2, 7.0, 7.4, 7.1. What is the median after ordering the values?
7.1
7.2
7.3
7.4
Mean tensile strength values: 48, 52, 49, 50, 51 MPa. What is the mean?
52 MPa
51 MPa
50 MPa
49 MPa
Which pair correctly identifies design triggers for redesigning a water bottle?
Supplier issues and durability
Customer issues and sustainability
Manufacturing speed and packaging
Aesthetic trends and grip comfort
Which item is a regulatory constraint for a water filtration system?
Material cracking risk
ISO standards compliance
Customer grip preference
Assembly time allocation
Which option is a design challenge when improving durability?
Enhance branding elements
Prevent cracking in service
Increase market pull awareness
Reduce pie chart angle
Which are customer requirements for a bottle?
Packaging and storage time
Grip and comfort expectations
Mean and median reporting
Technology push adoption
Do not confuse: Which pairing is incorrect because the terms are distinct?
Design challenge and design trigger
Market pull and technology push
All listed pairings are distinct
Constraint and requirement
A question asks about new technology adoption. What category should you consider first?
Regulatory constraint area
Performance analysis path
Market pull indicator
Technology push context
