NEW
Font size
Worksheets1.1 - Manufacturing
Total questions: 35
Worksheet time: 2hrs 45mins
What step in the basic AM procedure must engineers or operators complete before creating an STL file and G-code file? Engineers or operators must first:
Create a 3D CAD model of the part.
Create a physical prototype.
Perform a stress analysis.
Conduct a market survey.
What solid modeling tool do engineers use to create 3D part models for AM?
Computer-aided design (CAD)
Finite element analysis (FEA)
Rapid prototyping (RP)
Material requirement planning (MRP)
What removable AM components fortify an AM part as it is built?
Support structure
Base plate
Cooling fins
Heat sink
What term refers to manufacturers using AM as an intermediary step during a traditional manufacturing operation?
Secondary process
Primary process
Final assembly
Quality control
What additive manufacturing method involves sintering granulated material to create a part?
Powder bed fusion (PBF)
Fused deposition modeling (FDM)
Stereolithography (SLA)
Laminated object manufacturing (LOM)
What AM process did manufacturers develop in the 1990s that allowed them to produce metal parts?
Direct metal laser sintering (DMLS)
Selective laser melting (SLM)
Electron beam melting (EBM)
Binder jetting
What AM material is available in filaments, liquids, and powders and used in material extrusion and selective laser sintering (SLS)?
Polymer
Metal
Ceramic
Composite
What important information does an AM G-code file contain?
AM parts divided into layers and machine toolpaths
Material cost estimates
Environmental impact assessments
Supplier contact information
What additive manufacturing method involves depositing droplets of an adhesive material into a powdered material to create a part?
Binder jetting
Fused deposition modeling (FDM)
Stereolithography (SLA)
Laminated object manufacturing (LOM)
What manufacturing process involves stacking layers of material in order to create a finished part?
Additive manufacturing
Subtractive manufacturing
Casting
Forging
What is one potential advantage of using a larger, more expensive AM machine over a smaller machine?
The ability to create high-quality end-use parts.
Lower energy consumption.
Reduced material waste.
Faster setup time.
What type of AM layer construction method involves creating an entire layer at once?
2D channel
Point-by-point
Line-by-line
Segmented
What is a drawback of STL files? STL files:
Limit possible changes in part material and microstructure.
Increase file size significantly.
Require proprietary software.
Are incompatible with most 3D printers.
What is a disadvantage of additive manufacturing? Additive manufacturing:
Reduces quality assurance.
Increases production speed.
Decreases material costs.
Enhances design flexibility.
What AM post-processing technique is used to improve the physical and mechanical properties of metal parts?
Heat treatment
Surface polishing
Chemical etching
Ultrasonic cleaning
Which of the following is a design limitation that AM still imposes? AM methods usually impose restrictions on:
Wall thickness.
Color variety.
Material availability.
Production volume.
When do industry experts expect AM will become a $20 billion industry?
2020
2025
2030
2035
Which of the following statements about the challenges to 5S implementation is true? Implementing 5S requires:
Significant time investment from employees.
Minimal training for staff.
Immediate cost savings.
No changes to existing processes.
Which of the following statements describes the Sweep step of 5S? During the Sweep step:
Cleaning should include checking and monitoring equipment conditions.
Employees should organize their workstations.
Tools should be labeled and stored.
Safety protocols should be reviewed.
What is the purpose of a 5S communication board? A 5S communication board:
Reminds employees to continue the 5S processes.
Displays company financials.
Lists employee birthdays.
Shows daily production targets.
Which statement about the first 5S step is true? Sort requires workers to:
Remove unnecessary items from the workplace.
Label all tools and equipment.
Create a cleaning schedule.
Develop a training program.
Which describes 5S? 5S is a method designed to:
Promote organization and efficiency.
Increase production speed.
Enhance employee creativity.
Reduce material costs.
Which of the following activities would take place during the Set in Order step of 5S?
Identifying and labeling specific locations for tools.
Cleaning the work area.
Removing unnecessary items.
Conducting a team meeting.
Which of the following statements about the Sustain step is true? Sustaining is considered difficult to implement because it:
Requires constant commitment from all levels of the company.
Is expensive to maintain.
Needs specialized training.
Is time-consuming to start.
What method of assessing 5S efficiency can be used to compare the way equipment and materials were originally arranged prior to 5S implementation?
Floor plans
Employee surveys
Time studies
Cost analysis
Which of the following statements about the Standardize step is true?
Labels and signs must be consistent throughout the facility.
Employees must wear uniforms.
Tools must be color-coded.
Workstations must be identical.
Which of the following is an advantage of 5S implementation? 5S implementation:
Encourages greater employee satisfaction and productivity.
Reduces the need for supervision.
Increases the number of employees.
Decreases the need for training.
Which of the following statements about 5S+1 is correct? 5S+1:
Requires accidents and incidents to be immediately addressed and resolved.
Includes an additional step for cost reduction.
Focuses on employee training.
Emphasizes faster production.
Which of the following activities is typically the first step in the 5S process?
Sort
Sustain
Standardize
Set in Order
Which of the following statements about the implementation of 5S is true?
All employees and departments should be involved in 5S strategies.
Only management should be involved.
It should be implemented only in production areas.
It is optional for office spaces.
Which statement about impact wrenches is true? Impact wrenches:
Have a high power-to-weight ratio.
Are used for precision tasks.
Require manual operation.
Are only used in automotive industries.
Which statement about electric tools is true? Electric tools:
Operate quietly and cleanly.
Are always more powerful than pneumatic tools.
Require no maintenance.
Are cheaper than manual tools.
Which type of fastening tool is powered by compressed air?
Pneumatic tool
Electric tool
Manual tool
Hydraulic tool
What is an advantage of discontinuous-drive tools? Discontinuous-drive tools:
Produce very little torque reaction.
Are faster than continuous-drive tools.
Require less maintenance.
Are more expensive.
Which statement best describes the difference between hard and soft joints?
A soft joint requires more turns to reach preload once snug tight.
A hard joint is easier to assemble.
A soft joint is more durable.
A hard joint requires less maintenance.
