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OSH192 test 2 -- Cindy Medford
Terms in this set (46)
The flow of electrons
Material that allows electrons to flow through it
Resists flow of electrons
Diameter of wire (opposes electron flow)
Conductive connection to the earth which acts as a proactive measure
Complete path of the current, includes electricity, source, conductor, and output device or load.
What are the four primary causes of electrocution?
Overhead powerlines, live circuits and panels, poorly maintained cords and tools, lightning strikes
What are the four main types of electrical injuries
Shocks, burns, falls due to contact with electricity, electrocution (Death)
Name 2 requirements for power tools
Have a 3-wire cord with a ground plugged into a grounded receptacle, or be double insulated
What PPE is recommended for working around electrical hazards?
Foot protection, rubber insulating gloves, hoods, sleeves, matting blankets, hard hat.
What does a circuit breaker protect?
Only the building, equipment and tools from heat build up.
What does the Ground Fault Circuit Interrupter protect?
Protects the worker from shock and electrocution
What are 2 safe work practices when discussing electrical hazards?
No metal ladders, no raising or lowering of tools by the cord.
What subpart does the Control of Hazardous Energy fall under?
What are the "fatal five" main causes of lo/to injuries?
1. Failure to stop equipment
2. Failture to disconnect from power source
3. Failure to dissipate residual energy
4. Accidental restarting of equipment
5. Failure to clear work areas before restarting
Under what conditions is tag out an acceptable substitute for lockout?
Only when equipment cannot be locked out.
Part of the lockout procedure is to verify energy isolation by attempting to start the machine. Why is this important?
To prevent unexpected energization, start-up, or release of stored energy that would injure workers.
New equipment and machinery purchased after _____________ must have a means of attachment for a lockout device. Machinery and equipment purchased before that date are not required to have this capability unless they are subject to major repair or modification.
An employee who works on a machine is automatically authorized to perform LOTO on that piece of equipment? True or False?
Who may routinely remove a lockout device?
The person who put it on can take it off unless it's an emergency.
A lockout device should be removed only by the worker who placed it in position. Under what circumstances may the device be removed by someone else?
An emergency, an employer can remove if : absence of the lock "owner" is verified and all reasonable efforts to locate the owner are taken and they ensure the owner knows it's removed.
OSHA defines blood borne pathogens as pathogenic microorganisms present in human blood that can lead to diseases. Name three of the most common and those of primary concern.
HIV, Hepatitis B (HBV), Hepatitis C (HCV)
There has been a vaccination available for __________ since ____________
Define Occupational Exposure
If there is infiltration of mucous membranes or open skin surfaces
What is OPIM
"Other potentially infectious materials"
Define Exposure Incident
A specific incident of contact with potential infections bodily fluid
Define Universal Precautions
Treating everyone with precautions as if they have a disease you don't want.
Define Source Individual
Person who has the disease that could infect you
Typical items that require biohazard labels include
Containers of regulated biohazard waste, refrigerators or freezers containing blood or OPIM, containers used to store, transport, or ship blood or OPIM
If an employee refuses the Hepatitis B vaccination (3 shot series) they must sign a
What are the most frequently cited violations relating to subpart O, machinery and machine guarding?
General machine guarding and grinders
Name 4 types of hazards that require guarding
Point of operation, ingoing nip points, rotating parts, flying chips and sparks
The three fundamental areas of all machines includes:
1. Point of operation
2. Power transmission device
3. Operating controls
Point of operation is
The area of the machine where work is performed on material, such as the point of cutting, chasing, boring or forming.
Power transmission devices are
All components that transmit energy, such as flywheels, pulleys, belts, chains and couplings, connecting rods, spindles, cams and gears
Operating controls are
Located within easy reach of the operator while he is at his regular work location
Describe the ring test and why it is important
you put the wheel on the end of a screw driver and hit it with a piece of metal, it it's cracked the sound is hollow, if it's not cracked it makes a ringing sound.
What is a "gotcha stick"
The easiest means of verifying that openings in barrier guards will not allow the hazards to be accessed by personnel reaching through a barrier guard
At what height off the ground would pulleys need to be guarded?
7 ft or less from the floor
What are four of the five main serious violation types received in General Industry for Subpart N violations related to?
1. Powered industrial trucks- operator competency
2. Powered industrial trucks- safe operation conditions
3. secure storage
4. operator certification
5. examination for defects
Does 1910.176 within subpart N remind you of another subpart that we covered earlier this year?
Yes, exit routs must be clear and unobstructed
Name at least four precautions to take in battery storage areas
1. Vent caps are functioning
2. No smoking
3. Acid into water, not vice versa
4. Reinstalled batteries properly positioned & secured in the truck
How many fork truck lengths distance between two forklifts at a minimum?
What are the items necessary on a forklift operators certificate?
Name, date of training, date of evaluation, ID of person performing the training
Under what circumstances may you pass under a forklift load?
On an incline, should the load be uphill or downhill from the driver?
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