ASP Exam Study Guide 2023 with complete solution
Presbycusis
Hearing loss due to old age
Presbyopia
impaired vision as a result of aging, difficulty focusing
Byssinosis
Disease from inhaling cotton fibers. Also called "brown lung disease" or "Monday fever". Reaction against cotton, linen, h...
asp exam study guide 2023 with complete solution presbycusis hearing loss due to old age presbyopia impaired vision as a result of aging
difficulty focusing byssinosis disease from inhaling cotton f
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ASP Exam Study Guide 2023 with complete solution
Presbycusis
Hearing loss due to old age
Presbyopia
impaired vision as a result of aging, difficulty focusing
Byssinosis
Disease from inhaling cotton fibers. Also called "brown lung disease" or "Monday fever".
Reaction against cotton, linen, hemp products in textile/fabric industry.
Four (4) types of human errors discussed in Human Factors Engineering.
"Errors C.O.S.T. time and money"
1. Commission: doing something wrong
2. Omission: leaving something out
3. Sequence: doing something in the wrong order
4. Timing: doing something out of allotted time, too fast or too slow
Does the employers have to post OSHA citations?
Yes, for 3 days or until corrected.
Audiogram
Written record of hearing threshold at specified frequencies.
Audiometer
a device that can present tones of different frequencies, from low in pitch to high in
pitch, at different volumes from soft to loud
What dB at 3000 hz during an audiogram means the person can't hear the tone?
30 dB
Factors that affect absorption of noise
angle to noise source, frequency of noise, density, condition/cleanliness, type of
mounting, shape of surface
To improve noise absorption through engineering controls, what properties do
you want?
Good porosity, thickness, air gaps
Emissivity
Ratio of radiation emitted by a surface to the radiation emitted by a black body at the
same temperature. A black body is 1.0 (highest), down to 0 (bright, reflective surfaces).
Emissivity of bright metal surfaces
Low - less than 0.1 (bright metal is a good reflector), meaning it is good for reducing
radiant heat.
Emissivity of unpolished surfaces
Close to 1.0, which is high, meaning not great for reducing radiant heat.
Carpal tunnel affects what nerve and what parts of the hand?
Median nerve. Thumb, pointer and ring fingers, NOT the pinky. Inflammation and pain in
the wrist. Thenar wasting is sign of advanced disease.
Metal Fume Fever
Acute condition from brief high exposure to metal fumes (e.g., zinc, magnesium, their
oxides). Symptoms appear from 4 to 12 hours after exposure -- fever, shaking chills (flu-
like). Recovery is quick. Workers can develop immunity, but a break and re-exposure
normally makes it worse.
,What do altitude changes affect (and not affect) regarding fans?
Horsepower needed (air has less mass), static pressure (not as much needed). But the
CFM (volumetric rate) is NOT changed by altitude, and neither is RPM of the fan.
SCBA & airline respirator rules
Must be Grade D or higher; can use high pressure air; oil pumped with filtering is
acceptable. Medical oxygen is NOT allowed - dangerous because of increased
flammability.
Abduction, adduction, flexion, extension
Adbuction: increasing angle of arm to body, AWAY.
Adduction: decreasing angle of arm to body, TOWARD.
Extension: increasing angle of forearm to bicep.
Flexion: decreasing angle of forearm to bicep.
Grade D breathing air
19.5%-23.5% oxygen
<5 mg/m3 of oil
<10 ppm CO
<1000 ppm CO2.
TLV, PEL, IDLH for carbon monoxide
TLV of 50 ppm (ACGIH); STEL of 400.
IDLH of 1500 ppm (NIOSH)
PEL of 35-50 (OSHA); ceiling is 200, instantaneous is 1500.
Carbon Monoxide (CO)
Air pollution that is a product of combustion of fossil fuels. Flammable, colorless,
odorless, poisonous. Chemical asphyxiate. Does NOT harm red blood cells, but
reduces their oxygen-carrying capacity.
Teratogen
an agent or factor that causes malformation of an embryo or fetus. Does not propagate
across generational lines.
Next best option to electric forklifts for emissions.
Convert the forklift to LP gas.
Double insulation does not protect against shock in what circumstance?
Water, wet locations
(Data terms) Random, stratified, systematic, cluster
Random: everyone has an equal change. Stratified: separated by layers. Systematic:
patterned response. Cluster: confined to a location.
pH less than 7
acid
pH greater than 7
base
activated carbon
A form of specially treated, porous carbon, used to absorb various odors and vapors.
Has a non-polar surface.
Axial flow fans
High volume and low pressure drop; general & dilution ventilation; NOT good for LEV;
NOT used to move air through a duct; sometimes used for comfort.
Centrifugal fans
,Fan axis is perpendicular to flow -- spits air out 90 degrees. Low noise. Suited to high
pressures. Low to moderate static pressures; used in heating & air conditioning;
workhorse of industrial hygiene; sometimes called squirrel cages; good for lint, wood
chips & dust.
Forward blades in centrifugal fan
Blades are curved in the direction of rotation. Used whenever a large air volume has to
be moved in a tight space. Requires more power, which can overload motors.
Backward blades in centrifugal fan
Blades are curved in the opposite direction of rotation. More efficient than forward
blades.
Paddle wheel or long-shaving wheel
Used with medium tip speed for buffing exhaust, woodworking exhaust or when heavy
dust must pass through the fan.
Max travel distance of fire extinguisher in light hazard occupancies
75 ft. Includes places like churches, clubs, education centers, kennels, museums,
homes.
Inspection items for self-closing doors
1) Lubrication on guides & bearings
2) Binders are not bent, thus obstructing door
3) Chains/wire ropes have not stretched.
4) Fusible links are NOT painted.
Main cause of sprinkler system failure
35% of the time: closed water-supply valves.
Main cause of leaking sprinkler heads
Overheating from being too close to heat-generating processes.
How often should sound level meters be calibrated?
Before & after each survey
Particle sizes
Large: silica
Small: zinc
Safest method to determine electrical current
Split-core ammeter
Treating exposure to liquid oxygen
Warm water. Never rub or use dry heat. Frozen tissue is painless but will be swollen &
painful when thawed.
Required languages for HAZCOM
Only English. Others can be used in addition, but only English is required.
TTS
temporary threshold shift. Will experience a transient attenuation.
PTS
permanent threshold shift. One theory is that these result from many TTSs.
Butyl/neoprene gloves
Gloves that made of a synthetic rubber and protect against wide variety of chemicals --
acids, bases.
3 components of every noise problem
Source, path, receiver
, Training requirements for HAZWOPER
site workers, spill response, PPE
TLV
Threshold Limit Value. All employees can be exposed daily without adverse health
effects.
Autoignition Temperature
The lowest temperature at which a combustible material ignites in air without a spark or
flame.
Rules on Danger Tags under 1910.145 (accident prevention signs & tags)
1) Readable at 5 ft
2) Must use words, pictures or both.
3) As close as possible to the hazard.
4) Employees must be informed on sign meanings.
5) Positive, concise, standardized.
Hierarchy of Safety and Health Controls
1) Elimination
2) Substitution
3) Engineering Controls (ex. LEV)
4) Warnings/Administrative (ex. LOTO, work/rest)
5) Personal Protective Equipment
ANSI Z10 puts Warnings as #4 and Admin as #5
Thermal vane anemometer
Used where exhaust opening is large, air velocities are low --> spray booths or chemical
hoods. Heated probe that senses velocity by the amount of heat removed from the
probe. Direct reading & accurate.
Rotating vane anemometer
Useful for measuring the airflow through large supply and exhaust openings where the
air velocities are relatively high.
Components measured in industrial effluents
biochemical oxygen demand, total suspended solids, metal content, temperature.
NPDES
National Pollutant Discharge Elimination System (EPA permit)
Slot hoods
Used to provide uniform exhaust airflow (e.g., over tank suface). Function is to obtain
proper air distribution. (Note: Capture velocity involves exhaust volume and slot length
but NOT slot velocity.)
Vapor pressure
Pressure exerted by a vapor that is in equilibrium with the liquid at a given temperature;
the ability of the liquid to evaporate.
Static friction
the force that resists the initiation of sliding motion between two surfaces that are in
contact and at rest
kinetic friction
the force that opposes the movement of two surfaces that are in contact and are moving
over each other. Not affected by speed.
Is friction (static or kinetic) affected by the amount of surface area?
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