Safety & Machine Guards
Which piece of personal protective equipment (PPE) should be worn near moving machinery?
A. Baseball cap
B. Safety glasses
C. Sandals
D. Gloves with loose fabric
✅ Correct Answer: B. Safety glasses
How have computers improved product design?
A. By eliminating engineers
B. Through CAD software that models products digitally
C. By removing testing requirements
D. By increasing manual labor
✅ Correct Answer: B. Through CAD software that models products digitally
What is additive manufacturing commonly called?
A. Welding
B. 3D Printing
C. Cutting
D. Casting
✅ Correct Answer: B. 3D Printing
What are the "Three Fs" of product design?
A. Form, Fit, Function
B. Fast, Flexible, Fun
C. Fabrication, Flow, Finish
D. Form, Fuel, Function
✅ Correct Answer: A. Form, Fit, Function
What three elements make up the Fire Triangle?
A. Water, Oxygen, Heat
B. Heat, Fuel, Oxygen
C. Air, Metal, Smoke
D. Fuel, Water, Electricity
✅ Correct Answer: B. Heat, Fuel, Oxygen
What should you do immediately if you discover a missing machine guard?
A. Continue working carefully
B. Report it and stop using the machine
C. Replace it with cardboard
D. Ignore it if the machine still works
✅ Correct Answer: B. Report it and stop using the machine
Which are common components of the Industrial Internet of Things (IIoT)?
A. Sensors, networks, and data analytics
B. Pencils, paper, and calculators
C. Fans, lights, and screws
D. Manual gauges only
✅ Correct Answer: A. Sensors, networks, and data analytics
How does subtractive manufacturing differ from additive manufacturing?
A. It adds layers of material
B. It removes material from a solid block
C. It uses only plastic materials
D. It does not use machines
✅ Correct Answer: B. It removes material from a solid block
Which department focuses on ensuring the product meets customer needs?
A. Marketing
B. Maintenance
C. Accounting
D. Security
✅ Correct Answer: A. Marketing
Which information must appear on a HazCom label?
A. Hazard statements
B. Signal words
C. Manufacturer information
D. All of the above
✅ Correct Answer: D. All of the above
Which two actions are included in electrical Lockout/Tagout procedures?
A. Turn off power and lock the switch
B. Place a warning tag and isolate energy sources
C. Increase machine speed and remove guards
D. Turn on the machine and test it immediately
✅ Correct Answer: B. Place a warning tag and isolate energy sources
What is a digital twin?
A. A physical copy of a machine
B. A virtual model of a real system used for monitoring and testing
C. A spare machine kept in storage
D. A duplicate employee
✅ Correct Answer: B. A virtual model of a real system used for monitoring and testing
How does a CNC machine operate?
A. It is controlled by computer programs that guide tool movement
B. It works only by hand
C. It requires no software
D. It uses only electricity without tools
✅ Correct Answer: A. It is controlled by computer programs that guide tool movement
Why do engineers design products with manufacturability in mind?
A. To make products harder to build
B. To reduce production cost and complexity
C. To increase labor requirements
D. To eliminate machines
✅ Correct Answer: B. To reduce production cost and complexity
What does SDS stand for?
A. Safety Data Sheet
B. Secure Data System
C. Safety Design Standard
D. System Data Summary
✅ Correct Answer: A. Safety Data Sheet
What is the purpose of a machine interlock?
A. Increase machine speed
B. Automatically shut down machines when safety conditions are not met
C. Improve product color
D. Reduce electricity costs
✅ Correct Answer: B. Automatically shut down machines when safety conditions are not met
Which is a benefit of factory automation besides increased speed?
A. Increased workplace hazards
B. Improved consistency and quality
C. More manual work
D. Higher error rates
✅ Correct Answer: B. Improved consistency and quality
Which is an example of an advanced manufacturing technology?
A. 3D printing
B. CNC machining
C. Robotics
D. All of the above
✅ Correct Answer: D. All of the above
What is a primary goal of a product team?
A. Increase machine noise
B. Balance quality, cost, and production efficiency
C. Remove engineering from production
D. Only focus on advertising
✅ Correct Answer: B. Balance quality, cost, and production efficiency
Which extinguisher type should be used for an electrical fire (Type C)?
A. Water
B. Foam
C. CO₂ extinguisher
D. Sand
✅ Correct Answer: C. CO₂ extinguisher
Why are loose clothing and long hair hazards around machines?
A. They reduce productivity
B. They can get caught in moving parts
C. They cause electrical shocks
D. They block machine sensors
✅ Correct Answer: B. They can get caught in moving parts
How does predictive maintenance work?
A. Machines are replaced every day
B. Sensors collect machine data and analytics predict failures before they occur
C. Machines run until they break
D. Operators guess when repairs are needed
✅ Correct Answer: B. Sensors collect machine data and analytics predict failures before they occur
Which statement correctly compares additive and subtractive manufacturing?
A. Additive removes material and subtractive adds layers
B. Additive builds parts layer by layer, while subtractive removes material
C. Both processes always waste the same amount of material
D. Neither uses computers
✅ Correct Answer: B. Additive builds parts layer by layer, while subtractive removes material
How do advanced manufacturing and cross-functional teams help create customized products with high quality and low cost?
A. By eliminating engineering teams
B. By combining automation, data sharing, and collaboration across departments
C. By removing quality checks
D. By slowing production
✅ Correct Answer: B. By combining automation, data sharing, and collaboration across departments
What is the purpose of the DOT HazMat system?
A. To label and regulate hazardous materials during transportation
B. To eliminate chemicals
C. To increase chemical use
D. To store food products
✅ Correct Answer: A. To label and regulate hazardous materials during transportation