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Questions and Answers
What are some possible machinery-related injuries mentioned in the text?
What are some possible machinery-related injuries mentioned in the text?
- Concussions and sprains
- Fractures and dislocations
- Crushed fingers and hands, amputations, burns, blindness (correct)
- Bruises and cuts
What is a good rule to remember according to the text?
What is a good rule to remember according to the text?
- Any machine part, function, or process which may cause injury must be safeguarded (correct)
- Any machine part that causes injury must be reported to the supervisor
- Machines should not be operated without proper training
- Machines should be operated only by authorized personnel
What are examples of how machine accidents can occur?
What are examples of how machine accidents can occur?
- Reaching-in to 'clear' equipment, not using Lockout/Tagout, unauthorized persons doing maintenance or using the machines, missing or loose machine guards (correct)
- Following safety procedures and using authorized personnel
- Using personal protective equipment and emergency response training
- Proper use of Lockout/Tagout and regular maintenance
What is mentioned as a source of amputations in the text?
What is mentioned as a source of amputations in the text?
What are the three fundamental machine areas mentioned in the text?
What are the three fundamental machine areas mentioned in the text?
What should be done with any machine part, function, or process which may cause injury?
What should be done with any machine part, function, or process which may cause injury?
Which of the following is NOT a primary method of safeguarding machinery as per the provided text?
Which of the following is NOT a primary method of safeguarding machinery as per the provided text?
What is the purpose of fixed guards for machinery?
What is the purpose of fixed guards for machinery?
Which type of guard shuts off power and stops moving parts when open, according to the text?
Which type of guard shuts off power and stops moving parts when open, according to the text?
What do self-adjusting guards do as per the text?
What do self-adjusting guards do as per the text?
What do pullback devices do according to the text?
What do pullback devices do according to the text?
What is the purpose of restraint devices for machinery?
What is the purpose of restraint devices for machinery?
What is the function of safety trip controls for machinery?
What is the function of safety trip controls for machinery?
What is the purpose of the safeguards mentioned in the text?
What is the purpose of the safeguards mentioned in the text?
What must be safeguarded according to the text?
What must be safeguarded according to the text?
Which of the following is an example of feeding process safeguarding?
Which of the following is an example of feeding process safeguarding?
What is one of the methods mentioned for feeding and ejection in the text?
What is one of the methods mentioned for feeding and ejection in the text?
What is an example of a miscellaneous aid mentioned in the text?
What is an example of a miscellaneous aid mentioned in the text?
What hazard is identified in the text?
What hazard is identified in the text?
What was removed from the chain rail exposing pins on the spiked chain and sprocket mechanism?
What was removed from the chain rail exposing pins on the spiked chain and sprocket mechanism?
Based on the text, what is true about machine safeguarding?
Based on the text, what is true about machine safeguarding?
What should be located at a safe distance from the machine based on the text?
What should be located at a safe distance from the machine based on the text?
What should be transparent according to the text?
What should be transparent according to the text?
What is the point of operation in a machine?
What is the point of operation in a machine?
Which of the following is an example of a power transmission device in a machine?
Which of the following is an example of a power transmission device in a machine?
What are hazardous motions and actions in the context of machinery?
What are hazardous motions and actions in the context of machinery?
What do rotating parts with hazardous projections pose a risk of?
What do rotating parts with hazardous projections pose a risk of?
Which type of machinery action may involve rotating, reciprocating, or transverse motion?
Which type of machinery action may involve rotating, reciprocating, or transverse motion?
What type of machinery requires point of operation guarding?
What type of machinery requires point of operation guarding?
When should fan blades be guarded according to the text?
When should fan blades be guarded according to the text?
What safeguards are required for abrasive wheel machinery?
What safeguards are required for abrasive wheel machinery?
What type of machinery requires guarding revolving barrels, containers, and drums?
What type of machinery requires guarding revolving barrels, containers, and drums?
What components of power-transmission apparatus require guarding if less than 7 feet from the floor or working platform?
What components of power-transmission apparatus require guarding if less than 7 feet from the floor or working platform?
Which of the following is an example of machinery associated with amputations according to the text?
Which of the following is an example of machinery associated with amputations according to the text?
What are the minimum general requirements for safeguards according to OSHA?
What are the minimum general requirements for safeguards according to OSHA?
Study Notes
Machinery-Related Injuries
- Common injuries include cuts, lacerations, and amputations due to improper machine handling or lacking safety measures.
- Machinery-related accidents frequently result in severe injuries or fatalities.
Safety Rule
- Always ensure all moving parts are adequately guarded to prevent accidents.
Causes of Machine Accidents
- Accidents can occur from improper use, lack of training, and failure to follow safety protocols.
- Equipment failure or malfunction may contribute to accidents.
Source of Amputations
- Amputations often stem from contact with unguarded machinery parts, including rotating and reciprocating components.
Fundamental Machine Areas
- The text identifies three critical areas that require attention: point of operation, power transmission, and feeding mechanisms.
Injury Prevention
- Any machine part or process that poses a risk of injury must be safeguarded appropriately.
Safeguarding Machinery
- Methods of safeguarding machinery include: fixed guards, interlocked guards, and presence-sensing devices.
- An example of a method NOT typically included in primary safeguarding is reliance on employee training alone.
Fixed Guards
- Fixed guards serve to provide a permanent barrier protecting operators from hazardous areas.
Interlocked Guards
- Interlocked guards automatically cut off power and halt movement when the guard is opened.
Self-Adjusting Guards
- These guards automatically adjust to the position of the operator or the material being processed, maintaining safety.
Pullback Devices
- Pullback devices allow operators to have free motion for their hands while ensuring they are pulled back when the machine is engaged.
Restraint Devices
- Restraint devices prevent operators from reaching into hazardous areas while the machinery is in operation.
Safety Trip Controls
- Safety trip controls enable operators to stop machines quickly in emergencies, reducing risk of injury.
Overall Purpose of Safeguards
- The main purpose of safeguards is to minimize risk and protect operators from potential hazards.
Safeguarding Requirements
- Every part, function, and process that poses a hazard must be safeguarded, ensuring operator safety.
Feeding Process Safeguarding
- An example of feeding process safeguarding includes devices that ensure safe feeding of materials without exposing operators to danger.
Feeding and Ejection Methods
- Methods like automatic feed mechanisms are referenced for enhancing safety during feeding and ejection.
Miscellaneous Aids
- An example of a miscellaneous aid to enhance safety is protective shields placed around machinery.
Identified Hazards
- Hazards are identified based on machine type and processes involved, focusing on high-risk areas for injuries.
Exposed Mechanisms
- Removal of barriers exposed pins in the spiked chain and sprocket mechanism, increasing the risk of injury.
Machine Safeguarding Insight
- Effective safeguarding principles dictate that machinery must be designed to minimize risks actively.
Safe Distance Requirement
- Operators should remain at a safe distance from machines to avoid potential accidents.
Transparency Requirement
- Guards that are transparent allow for visibility of operations while maintaining necessary protection.
Point of Operation
- The point of operation refers to where work is performed on the material, which is often the most hazardous area.
Power Transmission Components
- Examples of power transmission devices include belts, chains, gears, and pulleys.
Hazardous Motions and Actions
- Hazardous motions and actions encompass movements like rotating, reciprocating, or transverse actions that pose threats to operators.
Risks of Rotating Parts
- Rotating parts with hazardous projections can lead to entanglements, causing injuries.
Machinery Operations
- Machinery actions such as rotating, reciprocating, or transverse motion require careful guarding to protect operators.
Fan Blade Guarding
- Fan blades should be guarded whenever they are in operational positions to prevent accidental contact.
Abrasive Wheel Machinery Safeguards
- Abrasive wheel machinery requires specific safeguards like protective guards to prevent debris and accidents.
Guarding for Containers
- Machinery that involves revolving barrels, containers, and drums must have proper guards to reduce risks.
Power-Transmission Apparatus Guarding
- Parts of power-transmission apparatus positioned less than seven feet from floors or platforms must be guarded.
Amputation-Related Machinery
- Certain equipment, such as saws and presses, is directly associated with a higher risk of amputations.
OSHA Safeguard Requirements
- OSHA specifies minimum general safeguard requirements to ensure all machinery is operable with safety measures in place.
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Description
Test your knowledge of machine guarding in the general industry with this quiz. Learn about primary and secondary methods of safeguarding machinery, including the proper design, construction, installation, and maintenance of guards and devices. This quiz is based on the PPT 10-hr General Industry - Machine Guarding v.03.01.17 created by OTIEC Outreach Resources Workgroup.