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WorksheetsMech Eng Review After Day 2
Total questions: 10
Worksheet time: 5mins
Which scenario BEST demonstrates the work of a biomedical engineer?
Designing earthquake-resistant skyscrapers
Developing a prosthetic limb for an injured athlete
Creating a new roller coaster for an amusement park
Reducing carbon emissions in a large city
A team is brainstorming and sketching different design solutions. Which two steps of the Engineering Design Process are MOST represented?
A. Ask and Create
B. Imagine and Plan
C. Test and Improve
D. Define and Evaluate
An engineer evaluates what worked and what failed after testing a prototype. What is the PRIMARY purpose of this step?
To document energy transformations
To improve the design for better performance
To finalize the testing phase
To select the correct class of lever
A rubber band racer is wound up and released. Which sequence BEST represents the energy transformations involved?
Kinetic → Elastic Potential
Elastic Potential → Thermal
Gravitational Potential → Kinetic
Elastic Potential → Kinetic
A child wants to lift a rock with a lever but cannot move the fulcrum. Which adjustment would MOST effectively increase mechanical advantage?
Shorten the load arm
Lengthen the effort arm
Place the load closer to the effort
Decrease the distance from fulcrum to load
When a catapult launches a projectile, the stored energy is MOST accurately classified as:
Kinetic energy converting to Elastic Potential energy
Elastic Potential energy converting to Kinetic energy
Gravitational Potential converting to Thermal energy
Mechanical Advantage converting to Force
Which class of lever is correctly paired with its example and mechanical advantage characteristic?
First-class lever – Seesaw – Fulcrum in the middle
Second-class lever – Broom – Effort in the middle
Third-class lever – Wheelbarrow – Load in the middle
First-class lever – Wheelbarrow – Effort in the middle
An engineer wants to design a roller coaster that minimizes sharp turns to ensure rider safety while maintaining excitement. Which step of the Engineering Design Process BEST aligns with refining the design after initial testing?
A. Ask
B. Imagine
C. Improve
D. Plan
Energy stored because of an object's height is MOST accurately described as:
Elastic Potential Energy
Kinetic Energy
Gravitational Potential Energy
Mechanical Advantage
Which combination BEST matches a type of engineer to a project requiring that expertise?
·
A. Civil Engineer – Prosthetic arm design
B. Environmental Engineer – Pollution reduction strategy
C. Mechanical Engineer – Clean energy policy
D. Biomedical Engineer –Suspension bridge construction
