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Applied Safety Fundamentals > Terms > Flashcards

Terms Flashcards

1
Q

Accident

A

An undesired event that results in loss.

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2
Q

Incident

A

An undesired event that results in loss, or, that under slightly different circumstances, could have resulted in loss.

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3
Q

Hazard

A

A condition or practice with the potential for accidental loss

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4
Q

Risk

A

The chance of loss when exposed to a hazard. Risk includes elements of probability, including the degree of exposure, and the severity (consequences) of exposure.

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5
Q

Danger

A

Relative exposure of people to a hazard. Definite level of harm, but the harm is not always certain. Danger levels can differ even though the hazard is the same. levels even though the hazard is the same.

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6
Q

Safety

A

The control of recognized hazards to attain an acceptable level of risk. Relative protection from exposure to hazards.

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7
Q

Device

A

Mechanism or control designed for safeguarding at the point of operations, presence- sensing, pull back, two-hand trip.

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8
Q

Enclosure

A

Safeguarding by fixed barriers that are mounted on or around a machine to prevent access to moving parts.

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9
Q

Fencing

A

Safeguarding by means of a locked fence or rail enclosure that restricts access to the machine.

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10
Q

Location

A

Hazard is physically inaccessible

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11
Q

Nip points or bites

A

the hazardous area created by two or more mechanical parts rotating in opposite directions within the same plane with close interaction

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12
Q

Pinch points

A

any place where a body part can be caught between 2 or more moving parts

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13
Q

Point of operation

A

the area on the machine where the material is positioned for processing - where work is performed on the material

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14
Q

Power transmission

A

includes all mechanical parts, such as gears, cams, shafts, pulleys, belts, clutches, and brakes, and rods that transmit energy from the source of power to the equipment or machine

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15
Q

Safeguarding

A

Any means of preventing personnel from coming in contact with moving parts of machinery or equipment, potentially causing physical harm

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16
Q

Point of operation protective devices

A

when not provided by the manufacturer, they must be installed by the user.

17
Q

Guard Openings

A

Any openings not over 3/8 inch (9mm) are considered realtively safe.

To maintain a definte Safe Zone is 1/4 inch (6 mm) wide, within 1 1/2 (38mm) of the danger zone.

18
Q

Point of Operation Safeguarding Methods

A

Enclosure, Barrier Guards
Automatic or Semi-automatic feed
Hand Removal or restraint
Two hand trip

19
Q

Most hazardous action or motions

A

Rotating, reciprocating and transverse motions (rotating, back and forth, straight line actions)
In running nip points
Cutting actions
Punching, shearing, bending actions

20
Q

Lockout / Tagout - NSC, OSHA

A

Develop a program to prevent unintentional start-up of equipment being repaired
use locks when possible
ensure new equipment can accomodate locks
when you cannot lockout, tagout
use procedures for control and release of energy
standarize locks/tagd
conduct inspection of procedures annually
train employees
adopt procedures for testing when locked out

21
Q

Robotic Hazards

A

Bring struck by moving parts of the robot
entrapment between moving parts, or other items
being struck by dropped or ejected objects

22
Q

Robot Safeguarding methods

A

Use mechanical stops to restrict range of motion
Amber light to indicate robot is energized
fixed guards around robots operating envelope
Interlocked access gates
hazard warning signs around points of access
install prescence sensing devices such as photo - electric cells, pressure sensitive mats and light/sound curtains
provide training
anchor the robot according to manufcatures specifications
locate the control panel in an easily seen area
locking type disconnects for all sources of energy
provide means to release stored energy
shield devices from radio frequency interference

23
Q

PPE Program

A

Write policy, communicate
select proper ppe
provide training on correct use and maintenance
enforce the use of ppe

24
Q

Head Protection - 3 classes

A

Canadian Standards Association - CSA CAN/CSA Z94.1-05 - Industrial protective headwear

Class G (General Use) 2200 v
Class E (Electrical trades) 22000v
Class C (conducting headwear) provided protection against impact and penetration only

Bump cap is not protective headwear, but may be used to prevent from bumping into stationary devices.

25
Q

Eye and Face Protection - 7 classes

A 
CSA Standard: Z94.3-07 "eye and face protectors"
Class 1 - Spectacles
2- goggles
3 - welding helmets
4 - welding hand shields
5 - Non- rigid helmets (hoods)
6 - face shields
7 - respirator face pieces
26
Q

Hearing Protection - 4 types

A
  1. Enclosure of entire head (pilots helmet)
  2. Aural Inserts (earplugs)
  3. SuperAural Protectors: Canal Caps
  4. circumaural protectors:ear muffs
27
Q

Hearing Protection- 3 Classes

A

Class A, B, C with 0-4 grading system within each class, 4 being the best protection.

CSA Standard: Z94.2-02 (R2007)

US Manufacture - (NRR) Noise Reduction Rating

28
Q

Passive Fall Protection

A

No action required on workers part. Protect 100% of time. Nets etc.

29
Q

Active fall protection

A

Require action by worker. anchor points, lanyards,

CSA Standards

30
Q

Foot Protection

A

CSA Standard

  1. Toe Protection (3 grades)
  2. A puncture resistant sole
  3. Metatarsal Protection
  4. Electrical protection
  5. Chainsaw protection
31
Q

Electricity

A

Most versatile form of energy.

Current of very tiny particles (electrons) flowing through a conductive material .

32
Q

Current (I)

A

Total volume of water flowing past a certain point in a given length of time.
Unit is ampre or amp (A)

33
Q

Voltage (V)

A

Pressure causes the electric current to flow

Unit is volt (v)

34
Q

Resistance (R)

A

Blockage in the flow (restriction)

Unit is Ohm (Ω)

35
Q

Ohm’s Law

A

How current, voltage, and resistance are related.

I=V/R
V=IR
R=V/I

36
Q

Power (P)

A

Electrical Power
Unit is Watt (W) Used to measure the amount of power an applicance needs or consumes when working.

Determined by multiplying voltage time current (P=VI)

37
Q

Bonding

A

Neutrailing the differences between seperated metal objects by means of a conductive path

38
Q

Grounding

A

Providing a connection to earth or other destination of equivalent zero potential (no voltage)

39
Q

Potential Energy

A

Any energy that may be stored or residual after shutdown

Applied Safety Fundamentals (2 decks)

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