Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
78 Cards in this Set
- Front
- Back
|
What is "Loss"?
|
Harm to people: damage to equipment or property; destruction of material.
|
|
|
What is an "Accident"?
|
An undesired event that results in loss.
|
|
|
What is an "Incident"?
|
An undesired event that results in loss, or, that under slightly different circumstances, could have resulted in loss.
|
|
|
What is an "Hazard"?
|
A condition or practice with the potential for accidental loss.
|
|
|
What is "Risk"?
|
The chance of loss when exposed to a hazard. Risk includes the degree of exposure and the severity of exposure.
|
|
|
What is "Danger"?
|
Relative exposure of people to a hazard.
|
|
|
What is "Safety"?
|
The control of recognized hazards to attain an acceptable level of risk. Relative protection from exposure to hazards.
|
|
|
What are the 5 steps & activities for a planned inspection?
|
1. Prepare.
|
|
|
What are the 6 steps required in an investigation?
|
1. Respond to the incident promptly.
|
|
|
What does SCAT stand for?
|
- Systematic.
- Cause. - Analysis. - Technique.
|
|
|
What does MORT stand for and how does it work?
|
- Management.
- Oversight &. - Risk. - Tree.
- MORT has provided a technique for thorough, searching investigation of occupational accidents and analysis of safety programs and procedures. - MORT has been used to improve safety in specific activities and in organizations. |
|
|
What are the 7 steps for Process of Task Analysis?
|
1. Inventory occupations.
|
|
|
What are the 4 most commonly used methods of a Process Hazard Analysis Methods?
|
1. Failure Modes & Effects Analysis (FMEA).
|
|
|
What is a Fault Tree Analysis?
|
- It is a deductive method that focuses on one particular incident or main system failure, & provides a method for determining causes of the event.
|
|
|
What is the Hierarchy of Hazard Controls?
|
1. Eliminate hazards & risks through system design & redesign.
6. Provide PPE. |
|
|
What is a "Device"?
|
Is a mechanism or control designed for safeguarding at the point of operation.
|
|
|
What is "Enclosure"?
|
Is a safeguarding by fixed physical barriers that are mounted on or around a machine to prevent access to moving parts.
|
|
|
What is "Fencing"?
|
It is safeguarding by means of a locked fence or rail enclosure that restricts access to the machine.
|
|
|
What is a "Nip Point or Bites"?
|
Is a hazardous area created by 2 or more mechanical parts rotating in opposite directions within the same plane & in close interaction.
|
|
|
What is a Shear Point? |
A hazardous area created by the cutting movement of a mechanical part past a stationary point on a machine |
|
|
What is "Power transmission"?
|
Includes all mechanical parts, such as gears, cams, shafts, pulleys, belts, clutches, brakes & rods that transmit energy & motion from the source of power to the equipment or machine.
|
|
|
What is Current (I)?
|
Is the rate of flow of electrons in a conductive material; the unit of electric current is the ampere or amp (A).
|
|
|
What is Voltage (V)?
|
Causes the electric current to flow; the unit of voltage is the volt (V).
|
|
|
What is Resistance (R)?
|
Is the property of a material to restrict the flow of electrons; the unit of resistance is the ohm.
|
|
|
What is Ohm's law?
|
Mathematically how current, voltage, & resistance are related:
- V = IR - I = V/R - R = V/I |
|
|
What is Bonding ?
|
Neutralizing the differences between separated metal objects by means of a conductive path.
|
|
|
What is Grounding?
|
Providing a connection to "earth" or other destination of equivalent zero potential.
|
|
|
What colour is a Hot wire?
|
Black
|
|
|
What colour is a Neutral wire?
|
White.
|
|
|
What colour is a Grounding wire?
|
Bare or green.
|
|
|
What is a "Hazardous Locations"?
|
- Are areas in which flammable gases or vapours, combustible dusts, or ignitable fibres are present or are likely to become present.
|
|
|
What are the 3 classes of a Hazardous Location?
|
Class I - flammable gases or vapours.
|
|
|
What are 3 synthetic fibre ropes made from
|
1. Nylon.
|
|
|
What is the breaking strength of a natural fibre rope?
|
50%.
|
|
|
What is the breaking strength of a synthetic rope?
|
65%
|
|
|
What is meant when one "lay" of a wire rope? |
- The length along the rope one strand uses to complete one spiral around the core. |
|
|
Hoist and Crane Safety
What is an Upper limit switches (two-blocking limit devices)? |
- Prevents hoisting the load block into the sheaves at the boom tip.
|
|
|
Hoist and Crane Safety
What is a load limit or overload devices? |
- Prevents overloading the crane.
|
|
|
Hoist and Crane Safety
What does IWRC stand for? |
Independent
Wire Rope Core. |
|
|
Hoist and Crane Safety
What is a lower limit switches? |
- Used if the load block enters a pit or hatchway in the floor where the crane operator ha a restricted view.
|
|
|
Hoist and Crane Safety The Maximum Bend/Twist From the Plane of an Unbent Crane Hook that is Allowable Before Taking Corrective Action is: |
- 10 Degrees |
|
|
Hoist and Crane Safety What do Hoist Limit Switches do? |
- Limit Unintended Travel of the Load Block |
|
|
Hoist and Crane Safety
What is a Vertical Hitch? |
- 1 loop eye of the slings is attached to the load, the other to the hook.
|
|
|
Hoist and Crane Safety
What is a Choker Hitch? |
- The sling passes entirely around the load, through 1 loop, the other to the hook.
|
|
|
Hoist and Crane Safety
What is a Basket Hitch? |
- The sling passes under the load, with both loop eyes attaching to the hook.
|
|
|
Hoist and Crane Safety What is the best way to detect wear and stretching of chains and chain slings? |
- Visual, Link by Link Inspection |
|
|
Welding
What are the most Significant Health Hazards in the Welding Process? |
- Chemical Pneumonitis (inflammation of the lungs).
|
|
|
Welding
What does SMAW stand for? |
Shielded.
Metal. Arc. Welding. |
|
|
Welding |
Gas.
Metal. Arc. Welding. |
|
|
Welding
What does MIG stand for? |
Metal.
Inert. Gas process. |
|
|
Welding
What does GTAW stand for? |
Gas.
Tungsten. Arc. Welding. |
|
|
Welding
What does TIG stand for? |
Tungsten.
Inert. Gas process. |
|
|
Welding
What does FCAW stand for? |
Flux
Cored Arc Welding |
|
|
What is a Frequency Rate?
|
Is a calculation using a working numerical base of 200,000 man hours (C) that represent 100 full time workers working 40 hours per week (A), 50 weeks per year (B). (A x B / C)
Frequency Rate= #of Lost Time Incidents x 200,000/ Total Hours Worked |
|
|
What is a Severity Rate?
|
Is the calculation using a numerical bases of 200,000 man hours, days lost, & the hours worked (exposure hours).
|
|
|
Standard Deviation
What are the 3 Central Tendencies or average? |
- Mode
|
|
|
Standard Deviation
What is the "Mode"? |
The value or values that occur most frequently.
|
|
|
Standard Deviation
What is the "Median"? |
The middle number value when numbers are arranged in order of magnitude.
If there are an odd number of values, t is the middle one. If there is an even number of values, divide the 2 middle values by 2. |
|
|
Standard Deviation
What is the "Mean"? |
Is the sum of all values divided by the number of values.
|
|
|
What is meant by "kickback" when operating a chainsaw? |
When the chain at the tip of the bar contacts an object. |
|
|
3 Principles Derived from Process Safety Management: |
- Management of Change - Hazard and Operability Studies - Pre-Start Health and Safety Reviews |
|
|
The types of non-destructive testing most commonly used for forged and cast metals are the following: |
1. magnetic particle inspection (most widely used for forged material) 2. penetrant inspection 3. ultrasonic methods 4. triboelectric method |
|
|
5 Major Types of Cranes are: |
1. Overhead Travelling Cranes: travel on overhead rails 2. Gantry Cranes: travels on rails at ground level 3. Derricks: A-frame, Stiff Leg, Guy, Gin Pole 4. Tower Cranes: used in the construction of buildings; can be erected on a min. of ground area or within a elevator shaft or floor opening 5. Mobile Cranes: Telescopic Boom (hydraulic), Lattice Boom |
|
|
Hazard Analysis Involves What 2 steps? |
1. Hazard identification and evaluation 2. Risk Analysis |
|
|
What are the 4 most common Point of Operation Safegaurding Methods? |
1. Enclosure or Barrier Gaurds 2. Automatic or Semi-Automatic Feed 3. Hand Removal or Restraint 4. Two-Hand Trip |
|
|
Waht Does an Autoclave do? |
- Used to steam-sterilize equipment and materials that are potentially contaminated. - They are used extensively in laboratories, health care facilities and hospitals and can present significant hazards to workers. |
|
|
Chemical Safety What is Ethylene Oxide (EtO)? |
- A sterilant for medical equipment and supplies. - EtO is both flammable and highly reactive. - Acute exposures to EtO gas may result in respiratory irritation and lung injury, headache, nausea, vomiting, diarrhea, shortness of breath, and cyanosis. |
|
|
Chemical Safety A successful chemical safety program requires ongoing assessment and evaluation of the risks of the chemical processes being used; |
• Housekeeping • Storage • Handling • Disposal • Correct use and maintenance of equipment and PPE • Training and compliance appropriate to the hazards involved. |
|
|
Chemical Waste How is Chemical waste regulated in the various jurisdictions in Canada? |
- Transportation of Dangerous Goods is regulated across Canada (see TDG and GHS/WHMIS) |
|
|
What is a Ground Fault Circuit Interrupter (GFCI)? |
- A fast acting device that is sensitive to very low levels of electrical current flow to ground. - The device only operates on line-to-ground faults such as insulation leakage or a current flow during accidental contact with a “hot” wire of a 120-v circuit. |
|
|
Electrical injuries include: |
• Internal; including asphyxiation, contraction of heart muscles and hemorrhages, and destructive tissue burns along the path of the current • External; skin and eye; burns, etc.• Falls; from one level to another, muscle contraction causing loss of balance. • Falls; from one level to another, muscle contraction causing loss of balance. |
|
|
What is Static Electricity? |
- A common source of ignition for combustible and flammable materials. - Static electricity is caused when there is a difference in electrical potential between two bodies and a spark can occur because no electrical path exists between them. - Grounding and bonding are two methods of controlling static electricity during fluid transfer. |
|
|
Hazardous Locations when using Electricity: |
- When electrical equipment is used in, around, or near an atmosphere that has flammable gases or vapours, flammable liquids, combustible dusts or ignitable fibres, there is always a possibility or risk that a fire or explosion might occur. - Those areas where the possibility or risk of fire or explosion might occur due to an explosive atmosphere and/or mixture is called a hazardous (or classified) room/location/area. |
|
|
Hazardous Classes - Canadian Electrical Code (CEC): |
Class I - A location made hazardous by the presence of flammable gases or vapours that may be present in the air in quantities sufficient to produce a explosive or ignitable mixture. Class II - A location made hazardous by the presence of combustible or electrically conductive dust. Class III - A location made hazardous by the presence of easily ignitable fibres or flyings in the air. |
|
|
Hazardous Divisions - Canadian Electrical Code (CEC): |
Division 1 - A location where a classified hazard exists or is likely to exist under normal conditions. Division 2 - A location where a classified hazard does not normally exist but is possible to appear under abnormal conditions. |
|
|
Electrical Installation Codes - International 3-Zone Area Classification for equipment used in Hazardous Locations: (IN CANADA, ALL NEW INSTALLATIONS MUST USE THE THREE ZONE SYSTEM) |
Zone 0 - An area in which an explosive gas atmosphere is continuously present for a long period of time. Zone 1 - An area in which an explosive atmosphere is likely to occur in a normal condition. Zone 2 - An area in which an explosive gas atmosphere does not normally exist. |
|
|
Cryogenic Liquids (Oxygen, Nitrogen, Argon, Helium, etc.) |
• Stored only in containers designed for the particular material (Dewar Flasks) • Most cryogenic liquids cause freezing when in contact with skin and displace breathable air in an enclosed space • The greatest hazard is the handling of hazardous products in transit. Cryogenic liquids include some common elements stored and handled in many sectors. Regulations across Canada require training for workers who use, handle, or store hazardous products in the workplace. |
|
|
What is the Most Effective Robotic Safeguard? |
Lock out the Robot. |
