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117 Cards in this Set
- Front
- Back
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What is general industries citation in the CFR?
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1910
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How to calculate incident rate?
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total # of injuries and illnesses*200000/total hours
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OSHA cites this for negligence
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General Duty Clause
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What does IDLH mean?
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Immediate Danger to Life or Health
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Does IDLH mean a human will die?
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No only that they cant escape
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What % of the PEL is AL?
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50%
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What does PEL stand for?
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Permissible exposure limit
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How long should eyes be flushed after exposure?
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15 minutes
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Stairs need to withstand this amount of weight.
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1000 pounds
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Minimum width of stairs
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22”
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Acceptable angle of stairs
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20-50 degrees
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Cages are needed if fixed ladder is longer than____.
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20’
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Platforms are needed on fixed ladders with no safety device every ____.
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20’
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Platforms are needed on fixed ladders with safety device every _____.
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30’
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Cages extend ____ above landing
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42”
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Cages start ____ to _____ from base
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7’ to 8’
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Angle range for a fixed ladder
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75-90 degrees
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Portable ladders need to be a ratio of ____ for stability
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4:1
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At least ___ points should be in contact with a ladder at all times
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3
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What rung should not be used?
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The top rung.
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How far should the ladder extend above the exit surface?
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3’
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Who approves safety glasses?
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ANSI Z-87
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Type 1 hard hat protects what?
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Force to the top of the head
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Type 2 hard hat protects what?
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Force to the top and side of the head
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Who approves hard hats?
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ANSI
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What is the height of the top of a standard railing?
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42”
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Where does intermediate rail go?
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Halfway
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How high is a toeboard supposed to be?
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4”
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When does general industry require fall protection?
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4’
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When does construction require fall protection?
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6’
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Does height matter if there is a hazard?
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No
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Class G hard hat protects against how many volts?
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2200
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Class E hard hat protects against how many volts?
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20000
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Class G hard hat protects against how many volts?
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none
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Do aisles need to be marked and kept clear?
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yes
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PPE assessments do not need to be certified (T/F)
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False
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What type of pressure should be used to ventilate a confined space?
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positive pressure
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What makes a confined space?
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-limited means of egress –not designed for humans –humans can get in
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What counts as entry into a confined space?
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Any part of the body breaking the plane
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Who dies the most in confined spaces?
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rescuers
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Confined spaces need these people outside the space
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attendant and entry supervisor
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What makes a permit required confined space?
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-potentially hazardous atmosphere –potential for engulfing material –internal configuration
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Permit required confined spaces are the same as confined spaces
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No they need a written program if the space is used
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Where should a sign for permit required confined spaces be posted?
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close to the entry point
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Air purifying respirators can be used in fire
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No they cannot be used in IDLH atmosphere
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Can APRs be used with chemicals that are odorless and tastless?
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No
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Should users of APRs conduct fit tests before every use?
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No only a seal check is needed
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At minimum how often should APRs be fit tested?
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At least annually
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What types of fit tests for APRs can be used and which is better?
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Quantitative and qualitative. Quantitative is better
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What is the rating of the quarter mask?
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5
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What is the rating of the half mask?
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10
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What is the rating of the full mask?
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50
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What is the rating of the hood?
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1000
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How is MUC calculated?
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The respirator rating is multiplied by the PEL.
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What does MUC stand for?
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Maximum Use Concentration
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Can a SAR be used in IDLH?
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Only with a reserve bottle
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Who approves air purifying cartridges?
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NIOSH
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What are 3 methods for isolating pipes?
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-double block and bleed –blanks –separate/misalign
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What is the best type of guard?
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A fixed guard
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What is an in running nip point?
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Two moving parts that can pinch the operator in operation
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What must guards for machines require?
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-must require tools to remove –must not create new hazards –must allow lubrication –must not cause interference with work
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Can guards be based on distance?
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Yes 7’
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What is an example of an interlock?
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A microwave
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Can interlocks be used for LOTO?
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No
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Is cord and plug always required?
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No if the plug is kept in sight it can be used without
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What is LOTO used for?
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Maintenance and servicing
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What is the velocity used to calculate two handed controls distance?
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63” per second
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When tags be used without locks on energy isolating programs?
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When they can provide full protection
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What is the difference between a button and a switch?
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A switch is an energy isolating device a button is not.
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What are the qualifications for a lock in LOTO?
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The lock must be substantial standardized identifiable durable and have only 1 key
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When do most robot accidents occur?
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During programming.
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What is the maximum grinder distance from rest to wheel?
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1/8 inch
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What is the maximum grinder distance for adjustable tongue?
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1/4 inch
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How to do a ring test?
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Test 45 degrees from center 1 to 2” in from side
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How far to stay away from electrical lines?
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10’
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What current trips a GFCI?
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5mA
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What do circuit breakers protect?
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Equipment
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What do GFCI protect?
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People
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What should extension cords not be used for?
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Permanent wiring
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What does nomics mean?
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The laws of work
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What is the goal of ergonomics?
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To fit the job to the worker not the worker to the job
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Where does ergonomics come from?
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Greek
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What does NIOSH say about back belts?
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Do not use them
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Hierarchy of controls for fall protection.
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-Engineering –guarding –restraint –personal fall protection –nets
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Components of a fall protection system:
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-anchor system –connecting device –body support –rescue plan
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How soon must a worker in a fall protection harness be rescued?
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20 minutes
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How much force must an anchor point hold?
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5000 pounds
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Why should paired connectors not be used together?
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roll-out
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What is the exception for anchor point force?
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If a qualified supervisor is present a safety factor of 2 may be used
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Can scaffolding be used from different manufacturers?
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No
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Should scaffolding be moved in use?
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No
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How quickly does a self-retracting fall protection system stop?
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2’
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What is the safety factor for scaffolding?
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4
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What is the rule for scaffolding height?
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4:1 the minimum bottom dimension must be at least ¼ of the height
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When is fall protection needed on scaffolding?
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10’
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How many risers before a handrail is required?
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4
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What is the range for height of a handrail?
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30” to 34”
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What is the maximum gap in scaffolding?
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1”
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What is a CHP?
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Chemical hygiene plan
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Can a CHP be done oraly?
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No it must be in writing
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What is the minimum biosafety level?
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1
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What is the maximum biosafety level?
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4
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What are the factors that affect radiation?
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-time –distance –shielding
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What are the components of an exit route?
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-exit access –exit –exit discharge
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How and how often are fire extinguishers tested?
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Hydrostatic and annually
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What is PASS?
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Pull aim squeeze sweep
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What does fire require?
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fuel oxygen ignition source and chemical chain reaction
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What are the types of sprinkler systems?
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preaction dry pipe wet pipe deluge
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What requires a fire watch?
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hot work such as welding or grinding
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How long must a fire watch stay?
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30 minutes after completion
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What does incipient mean?
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developing
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What does LEL mean?
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Lower explosive limit the mixture is too lean to burn
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At what percentage of LEL does the alarm sound?
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10%
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Class 1 hazardous environment
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explosive vapors or fumes
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Class 2 hazardous environment
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combustible dusts
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Class 3 hazardous environment
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ignitable fibers
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Is a face shield primary protection?
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No
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