CSP Domain 4: Advanced Application Of Key Safety Concepts Flashcards by Steve Waltz

Component of fall arrest system consisting of a flexible line for connection to an anchorage at one end to hang vertically or street horizontally

Lifeline

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If current is passed through the body, heart paralysis will occur at:

4 A

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What size pinch point is known as a danger point or line?

Narrows to 3/8” or less (approximate size of a finger)

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What constitutes a Class 1B flammable liquid

Flash point below 73 F and a boiling point at or above 100 F

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What is IDLH

The concentration of a substance that will cause, in 1 minute or less, permanent irreversible effects or death

Immediately Dangerous to Life and Health

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What concept is particularly important when addressing most chemical spills?

Specific Gravity

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What industrial disease is usually associated with diacetyl?

Bronchiolitis obliterans

Commonly known as “popcorn lung” due to it being common in workers in microwave popcorn factories from overexposure to the diacetyl in the popcorn butter/oil

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What type of sprinkler system would most likely be installed in a data center or museum?

Preaction system

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What amount of current can a person withstand while still maintaining control of their arm and hand muscles?

10 mA

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Depth at which a protective systems in trenches must be designed by a registered professional engineer

20 ft or more

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What is the work/rest ratio for an employee with a moderate workload in an environment of 88 degrees Fahrenheit

25% work/ 75% rest

According to permissible heat exposure TLV

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On a multi-employer worksite, which employer type has the authority to ensure hazardous conditions are fixed?

Controlling employer

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What constitutes a Class IA flammable liquid?

Flash point below 73 F and a boiling point below 100 F

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Per OSHA general industry standards, what is the vertical height a guardrail must have from the upper surface of the top rail to the floor?

42” ‘pm’ 3”

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What is the MOST common shock-related nonfatal injury from electricity?

Burns

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What are the 3 basic elements of a biological safety containment program?

Laboratory practice and technique
Safety Equipment
Facility Design

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Explain classes of hard hats

Class G (General)- proof tested to 2200 V

Class E (Electrical)- proof tested to 22000 V

Class C (Conductive) do not provide protection from electrical conductors

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What is rating of basket hitch relative to straight pull

Rated twice that of straight pull

Ex. If a cable is rated at 1000 lbs straight pull, a basket hitch would increase that rating to 2000 lbs

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How many feet of “rise” should be present for each foot of “run” in a properly set ladder

4 feet rise/run

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What are the maximum allowable sizes for glass/plastic containers and safety cans for Class IA flammable liquids?

Glass/Plastic Container= 1 pint
Safety Can= 2 gallons

*These are OSHA standards

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A component of a fluid that has a low vapor pressure is called

A heavy component

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Consists of straps that are secured around an employee that distribute the fall arrest forces over the thighs, pelvis, waist, chest, and shoulders

Body Harness

Parts of fall arrest system

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What is the name of the occupational exposure associated with cotton or flax dust?

Byssinosis

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What is the rating of a choker hitch in terms of straight pull

typically rated 75-80% of a straight pull (depending on the horizontal angle)

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If a material has a specific gravity LESS than 1, it will:

Float on water

What are approved protective systems for excavations

- Shield systems - Sloping and benching - Shoring systems

The work rest on a bench grinder must be adjusted to: What is purpose of the work rest:

Within 1/8” of abrasive wheel Prevent the workpiece from getting jammed in the wheel (located lower part of wheel)

What are the 3 levels of analysis for the NEPA process?

- Categorical Exclusion - Environmental Assessment/ Finding of No Significant Impact (EA/FONSI) - Environmental Impact Analysis

Which type of radiation is the most serious hazard to lungs and internal tissues

Alpha particles

What must a tongue guard be adjusted to on a bench grinder: | What is the purpose of a tongue guard:

Must be adjusted to within 1/4” of wheel To stop fragments from flying out and hitting operator if wheel shatters during operation (upper part of wheel)

What is the assigned protection factor for a positive pressure SCBA?

10,000

Comparing workers’ performance against the organization’s desired performance level is part of a:

Training needs analysis

Branch of science that deals with the incidence, distribution, and possible control of diseases and other factors relating to health

Epidemiology Also deals with the control of disease in human population

The 4 leading causes of workplace accidents and deaths:

1- Falls (33%) 2-Struck by objects (22%) 3-Caught in between (18%) 4- Electrical accidents (17%)

Which two elements are contained in the GHS?

Criteria for classifying substances and hazard communication elements

According to OSHA 1926.650, cut material (spoils) must be placed how many feet away from the edge of an excavation?

2 feet from edge

How far must a ladder extend above the top landing?

36 inches

What is a significant difference between the HCS and GHS?

HCS allows test data on mixtures for all hazard classes, GHS criteria for mixtures vary by hazard class. The Hazard Communication standard is more detailed and and provides workers with information about identities and hazards of chemicals. The GHS is a general framework from which competent authorities may select the appropriate harmonized classification and communication elements.

Which type of tests are beneficial whenever training courses are more than a couple hours of length

Review tests

What is the molecular weight of a gas that has a straight across conversion between PPM and mg/m3?

24.45 If gas has a different molecular weight, it must first be normalized o 24.45 before any conversions are made

According to 29 CFR 1926.650, what is maximum distance an employee may travel to reach a ladder/ramp to escape an excavation that is 4 ft or more in depth?

25 ft Note: there must be an escape every 50 ft so the employee does not have to travel more than 25 ft to get out

If a material has a specific gravity GREATER than 1.0, it will:

Sink in water

What occupational disease is associated with diving/underwater operations?

Caisson disease (aka decompression sickness)

What is the purpose of TurtleSuit water armor?

To protect the body from high pressure water blasts up to 40,000 psi

What amount of current can cause ventricular fibrillation?

Greater than 75mA

Which occupational disease did Percivall Pott discover?

Scrotal cancer in chimney sweeps

What program focuses on the leading hazards that cause 90% of injuries and deaths

OSHA Focused Inspections Program

Wind chill is defined as:

Number of calories lost during 1 hour from 1 square meter of a surface kept at 91.4 degrees F

What does the mnemonic OIL-RIG help you remember

Oxidation is losing electrons- Reduction is gaining electrons

What is correct angle for setting up a safety ladder

Base should be 1/4 of the working length of ladder from the wall Ex. An 8 ft ladder should be placed 2 ft from wall

What are the categories of employers on a multi employer worksite?

Controlling- has authority to correct hazards Creating- created the hazard Generating Exposing- exposed personnel to the hazard All of them may be cited by OSHA *Note subcontractor brings labor and tools to worksite

What type of an agent would germs, bacteria, viruses, prions, etc. be considered?

Etiologic agents

Type of analysis that determines where failures occurred

FMEA Failure Modes and Effects Analysis

Materials with a high vapor density tend to behave in whic manner?

Sink

How do you calculate G-Force?

1 G Force is equal to persons weight *****ALWAYS START at +1 or subtract 1 from final equation*****

What is maximum allowable size of a metal drum and approved portable tank for Class II and III combustible liquids according to OSHA

Metal Drum= 60 Gal | Approved Portable Tank= 660 Gal

Can be performed to get a rough assessment of the risks involved in performing a task by describing the problem and all situations that can lead to the problem

Gross Hazard Analysis (GHA)

Before waste can be classified as hazardous waste, it must meet what criteria?

Meeting definition of solid waste Not being an excluded waste Being either listed or characteristic

The term used describe the increase of a toxin from the environment in the tissue of a specific animal

Bioaccumulation

The top rail of a guardrail system must be able to withstand how many pounds of horizontal force?

200

What substance is the standard to which most other substances are compared to in regards to evaporation?

Butylacetate | Has evaporation rate of 1

A fall arrest lanyard is an example of a:

Deceleration device

How do you calculate current in amperage?

Voltage/Resistance

Which of the following best describes “universal precautions” as defined in OSHAs BBP standard?

Treat all body fluids as though infected

Uses a timeline chart to display sequence of events that contributed to or was the direct cause of an accident

Multi Linear Events Sequencing (MES)

What constitutes a Class 1C flammable liquid (NFPA)

Flash point at or above 73 F but below 100 F

Facts to know about oxidation:

- Always results in one electron being transferred from one atom to another - Oxygen is NOT REQUIRED (ex. Chlorine gas) - Can be violent be does not have to produce heat or light

What is official definition of PEL

The airborne concentration of a substance set by OSHA as an enforceable standard which may not be exceeded.

Vapor or saturation pressure depends on:

Temperature

What constitutes a flammable liquid?

Flash point below 140 F and vapor pressure not exceeding 40 psi at 100 F

The term used to describe the movement of pollutants through the food chain

Biomagnification

In what type of course setting should review tests be used?

In longer courses

What is the pH of distilled water

In a system safety design, what is a design type that would be suitable for hazardous atmospheres

Intrinsically safe- designed to minimize any failure

What change in elevation requires the use of stairs, ramps, runways, ladders, sloped embankment or hoist?

19 inches or more

Component of a fluid that has a high vapor pressure is called

A light component

How is piping referred to by industry standards

“Schedule” | Most piping in construction is either schedule 40 or schedule 80

What is the efficiency rate f a HEPA filter?

99.7 % of particles that are 0.3 microns in diameter

WGBT correction factors in Clo a

Permeable water barrier= 1.2 Summer lightweight clothing= 0.6 Cotton coveralls= 1.0 Winter work clothing= 1.4

What is the required rating for scaffolding planks and suspension ropes?

Planks are required to hold 4 times the load, Ropes must be capable of holding 6 times the load

Material that can increase the rate, or lower the required activation energy, for a given chemical reaction

Catalyst | Note: A requirement of a catalyst is that it is NOT CONSUMED DURING CHEMICAL REACTION

How do you convert percent to ppm?

1% is equal to 10,000 ppm (move decimal point 4 places to right)

When a solid goes directly to the gas phase without first becoming a liquid

Sublimation

At what height must a licensed professional engineer construct scaffolding?

Anything over 125 ft high. A competent person may construct anything up to 125’

What percentage of gases make up air (according to Yates)

21% oxygen 78% nitrogen 1% other (argon and carbon dioxide)

Which industrial disease is associated with the sheep/wool industry

Anthrax ****Primary risk occupation in agricultural workers

Most common cause of fires and thermal burns in homes and workplaces?

Electricity

What is not required in OSHAs GHS/HAZCOM standard?

Annual training Only initial training and when there is a change in the workplace

Definition of TLV

Airborne concentration of a substance with specified conditions under which it is believed that nearly all workers may vibe exposed data after day with no adverse effects

What occupational health condition is similar to bronchitus?

Berylliosis: lung disease resulting from inhalation of beryllium. Symptoms resemble pneumonia or bronchitis