Process Safety Flashcards
Concepts in chemical process safety techniques, practices, heuristics, and parameters
Which of the following is not measure of effectiveness safety program?
HAZOP
HAZOP
HAZARD AND OPERABILITY STUDY
HAZAN
HAZARD ANALYSIS
OSHA
OCCUPATIONAL SAFETY AND HAZARD ADMINISTRATION
LOC
LIMITING OXYGEN CONCETRATION
BLEVE
BOILING-LIQUID EXPANDING-VAPOR EXPLOSION
MIE
MINIMUM IGNITION ENERGY
PHA
PROCESS HAZARD ANALYSIS
PPE
PERSONAL PROTECTIVE EQUIPMENT
JSA
JOB SAFETY ANALYSIS
ED
EFFECTIVE DOSE
VCE
Vapor Cloud Explosion
DTE
Differential Thermal Analysis
CEI
Chemical Exposure Index
FEI
Fire and Explosion Index
HIRA
Hazard Identification and Risk Analysis
FTA
Fault Tree Analysis
QRA
Quantitative Risk Assessment
TRA
Transportation Risk Analysis
How toxicants enters into organism?
Ingestion
Injection
Inhalation
All of the above
All of the above
Lowest value on response vs dose curve is called…
Thresold Limit Value
Identification, Evaluation and Control are the phases of ____.
Industrial Hygiene
Fire is rapid ____ of ignited fuel
Exothermic oxidation
____ is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of high temperatures and the release of gases
Explosion
____ is the lowest temperature that the vapours of a material will ignite when exposed to an ignition source
Fire point
An explosion occurring within a vessel or a building, known as
Confined Explosion
Which of the following Causes of overpressure…..:
Ambient heat
Valve failures
Both 1 & 2
None of above
Both 1 & 2
For material handling which is wrong statement………
Environmental risk assessments should not be available
Who is responsible for ensuring the workers are provided with safe working environment?
OSHA
Hazard evaluation consist of the elements….
Safety Review/Audit/Inspection
HAZAN
HAZOP
All of the above
All of the above
PHA stands for
Process Hazard Analysis
Which of the following is not guide word of HAZOP?
NAND
HAZAN study includes:
- Estimate how often an incident will occur.
- steps can be taken to either eliminate risks or reduce risk to an acceptable level.
- It is centered around the hazard analysis and functional based safety process
- All of the above
All of the above
Process of adding inert gas to combustible mixture to reduce concentration of oxygen below limiting oxygen concentration (LOC)
inerting
Vessels can be pressure-purged by adding inert gas ____.
Under atmospheric pressure
The ____________ process determines whether exposure to a chemical can increase the incidence of adverse health effect.
Hazard identification
Hazard is defined as the probability of
suffering harm or loss
____ occurs when a tank containing a liquid held above its atmospheric pressure boiling point ruptures, resulting in the explosive vaporization of a large fraction of the tank contents.
Boiling-Liquid Expanding-Vapor Explosion
For ____ the reaction front propagates at a speed less than the speed of sound
deflagration
Static electricity is generated when
mists or sprays pass through orifices
The MIE depends on the:
- specific chemical or mixture
- the concentration
- pressure and temperature
- all of above
all of above
An explosion resulting from the sudden failure of a vessel containing high-pressure nonreactive gas
Mechanical explosion
The essential elements for ____ are fuel, an oxidizer, and an ignition source
Fire triangle
What is toxicity equivalence factor?
Ratio of the toxicity of a chemical to that of another structurally related chemical (or index compound) chosen as a reference
OSHA ensures that employees have been provided with _________
PPE
ED stands for
Effective dose
Eco-toxicology is based on ______ of chemicals.
Toxicological
OSHA is part of the ___________ department of labour.
US
toxicants enter organism through:
Ingestion
Injection
Dermal absorption
all of above
all of above
During the ………………phase, the various types of existing control measures and their effectiveness are also studied.
Evaluation
The unit-specific technical requirements are designed to ……
Prevent the release of HW
What are the steps involved in evaluation of toxicity?
hazard identification and dose-response evaluation
___________ establishes the relationship between the contaminant/s of concern and the receptor
Toxicity assessment
Which of the following is not characteristics of hazardous waste?
Leakage
Results from long-term exposure to lower doses of a chemical is known as ________
Chronic toxicity
Which of the following chemical is
responsible for acute lung disease from Bhopal gas tragedy?
Methylisocyanate
Heavy metals like Arsenic, Cadmium and Cyanide effects _________
Nervous system
______ represents a contact between a chemical agent and an object.
Exposure
Under the OSH Act, employers are responsible for providing a
Safe workplace
OSHA was created to _________
To reduce hazards
How is sensitivity analysed in risk estimation?
By critical assumptions
An incident can be called hazardous only when?
Stressor has the potential to cause harm to humans and ecological systems
What is the main purpose of hazard identification?
To characterize adverse effect of toxins
Doses are expressed on a _________ basis.
Body-weight
Major application of dose-response curve is to obtain ______
Threshold
Which of the following valve is known as a safety valve?
Pressure relief valve
When did Seveso accident occur?
1976
A waste to be called toxic, acute oral LD50 concentration should be _______ mg/kg
2500
What is chronic toxicity?
Effects due to long term exposure
The gauge pressure during normal service, usually 10% below the MAWP known as
Operating pressure
Pressure relief systems are required for which of the following reasons:
- to protect personnel from the dangers of overpressurizing equipment
- to minimize chemical losses during pressure upsets
- both 1 & 2
- None
both 1 & 2
Why does site history have to be considered for hazard identification?
To know the probable source and causes of contamination on site
Hazard identification mainly focus on
Chemical source and concentration
Estimation of short-term and long term exposure are usually in terms of
Doses by exposure rate
Which of the following risk assessment tool is used for the determination of spatial distribution of contaminants at the site?
Exposure assessment
What is the final stage of risk assessment?
Risk characterisation
The toxicological end point for dose-response relationship should be _________
Definitive
For existing chemicals, we should always consider ________ exposure assessment based on modelling, to derive an environmental concentration.
Reasonable worst case
What is the main goal of risk management?
Calculate probability of adverse effect on individual and population
Elements of safe chemical storage program consist of:
Inventory of Chemicals
Labeling of Chemicals
Segregating Incompatibles
All of the above
All of the above
The FAR reports the number of fatalities based on 1000 employees working their entire lifetime. The employees are assumed to work a total of 50 years.
FAR
The last step of accident process
Termination
LD50 in a toxicity test stands for ______
a dose that will kill 50% of an exposed population
which of the following incorrect?
The relief valve is primarily for liquid service.
The safety valve is for gas service.
The safety relief valve is used for liquid and gas service.
None of above
None of above
The pressure difference between the relief set pressure and the relief reseating pressure. It is expressed as a percentage of the set pressure
Blowdown
What is the most common approach used to assess skin exposure to a contaminant?
using pad or dosimeters to determine the amount of contaminant deposited on the skin
The father of occupational medicine who said a doctor should always ask a patient of what trade are you is said to be
Dr. Ramazzini
Who had a large influence on American OHS regulation in the early part of the 20th century, and who also wrote exploring the dangerous trades
dr. Alice Hamilton
In what year did the US federal government first pass a workers compensation act for some civil employees
1908
In what year was the first American state workers compensation act passed
1911
this American federal act was the first know legal adoption of standards for allowable concentrations of chemicals in workplace air
Walsh-healey Public Contract Act
The most well known OEls are established by
ACGIH
The ACGIH TLVs
are science based
If three of the following are said to be exposure limits for chemical X, which one is likely to be the ceiling limit
1000ppm
The definition of the ACGIH TLV_STELs refer to certain health effects that must be avoided. these do not include
carcinogenicity
Which organization is widely recognized around the world as setting exposure limits for ionizing radiation
International commission on Radiological Protection (ICRP)
Which is not an agent ACGIH sets standards for
ionizing radiation
Which is not one of the main forms in which chemicals are present in the workplace
fibers
Chemicals cause two main kinds of health effects
local effects and poisoning
Who said it is the dose only that makes a thing not a poison
Paracelsus
a dose response curve illustrating acute toxicity usually has
a s-shaped or sigmoidal curve
If the dose response curves of three chemicals are shown on the same graph, the one which intersects the x-axis (dose) at the lowest dose
the most poisonous
the most common type of LD 50 test involves
an oral dose
For any given chemical, a high LD 50 value generally means
low toxicity
Which statement about ingestion as a route of entry into the workers body by workplace chemicals is incorrect
ingestion is usually a significant way in which chemicals gain entry into the body
the two main categories of skin irritation caused by chemicals are
inflammation and corrosion
An example of a workplace chemical that can damage the kidneys specifically is
lead salts
Which is not a chemical known to specifically damage the kidney
vinyl chloride
Which is not one of the four main types of skin exposures
radiological
What violations are most commonly cited by OSHA?
Fall protection
What is the leading cause of death on construction sites?
Falls
Which of the following is not a chemical-related health hazard?
Reactivity
A container holding a hazardous material must include which of the following as of June 15, 2014:
A. Identity of the hazardous chemical only
B. Identity of the hazardous chemical, instructions on how to use
C. Identify of the hazardous chemical, names of employees authorized to use
D. None of the above
None of the above
If you transfer chemicals from a labeled container to a portable container, you don’t need to comply with standard hazardous material labeling requirements when:
A. You hand the container off to someone else
B. You leave the work area before using the materials
C. You don’t use the materials before the end of your work shift
D. None of the above
None of the above
Rubber insulating gloves need to be tested:
Before first use and then every 6 months
Which of the following organizations coordinates the collection of chemical inventories for the Process Industries
EH&S
Most of common hazardous classes include:
Corrosive acids
Oxidizer
Cryogens
All
ALL
Each chemical family is to be separated by
Non-combustible partition
Which of the following should not be stored near organic acids
Oxidizing mineral acids
Which of the following to be referred during storage of specific chemicals
A Material Safety Data Sheet
B Steam Table
C Chemical and Physical Properties
D Chemical Storage Guides
Chemical Storage Guide
Acetic acid is both –
A Corrosive acid and combustible liquid
B Corrosive base and combustible liquid
C Cryogen and combustible gas
D Oxidizer and combustible liquid
Corrosive acid and combustible liquid
Flammable and combustible liquids are to stored in
A Bins
B Flammable storage cabinets
C Barrels
D Cans
Flammable storage cabinets
Inerting is the process of adding an inert gas to a combustible mixture to reduce the
A concentration of oxygen below the _____________
B Oxygen concentration
C Least Oxygen Concentration
D Limiting Oxygen Concentration
Least Oxygen Concentration
Flammable materials are charged only after the _______
A Cleaning
B Washing
C Oxidizing
D Inerting
Inerting
The _____________ purging process adds purge gas into a vessel at one opening and withdraws the mixed gas from the vessel to the atmosphere (or scrubber) from
A Sweep-through
B Vacuum
C Pressure
D Siphon
Sweep-through
For industrial operations where flammable vapors may be present, any charge accumulation exceeding 0.1 mJ is considered dangerous.
A 1 mJ
B 10 mJ
C 0.1 mJ
D 20 mJ
0.1 mJ
When charged liquid droplets or solid particles settle on an isolated object, the object is charged then it is a
A Contact and frictional charging
B Double-layer charging
C Induction charging
D Charging by transport
Charging by transport
__________ is applicable only to materials that are electrically conductive
A Contact and frictional charging
B Double-layer charging
C Induction charging
D Charging by transport
Induction charging
Spark Discharge is a discharge between two __________
A Metallic objects
B Non-metallic objects
C Metallic and non-metallic objects
D Insulators
Metallic objects
A _________ is a discharge from a grounded conductor when it approaches a charged insulator that is backed by a conductor
A Spark discharge
B Propagating brush discharge
C Conical pile discharge
D Lightning discharge
Propagating brush discharge
The purpose of ventilation is to dilute the _______ with air to prevent explosion and to confine the ______ mixtures.
A Toxic vapors; flammable
B Hazardous flammable; Explosive vapors
C Explosive vapors; hazardous flammable
D Flammable; Toxic vapors
Explosive vapors; hazardous flammable
Each chemical family should be separated from all other chemical families by an approved non-combustible partition or by a distance of ______ feet.
A Ten
B Twenty
C Thirty
D Fourty
Twenty
While storing of chemicals in store rooms the care must be taken for the leaks, spills and _____
A Weeps
B Holes
C Drips
D None of the above
Drips
Prevent chemicals from running down sink, floor, or _____________
A Storm water drains
B Holes
C Channels
D None of the above
Storm water drains
An inerting system is required to maintain an inert atmosphere in the _______ above the liquid.
A Vacuum space
B Confined space
C Vapour space
D None of the above
Vapour space
vacuum purging is a common procedure for which of the following
A Storage vessels
B Crystallizers
C Distillation columns
D Reactors
Reactors
vessel is pressurized with pure nitrogen, the number of moles of oxygen ________ during pressurization, whereas the mole fraction _________.
A Increases; decreases
B Decreases; increases
C Remains constant; decreases
D Increases; increases
Remains constant; decrease
The _________ process adds purge gas into a vessel at one opening and withdraws the mixed gas from the vessel to the atmosphere (or scrubber) from another opening.
A Siphon purging
B Vauum purging
C Pressure purging
D sweep-through purging
sweep-through purging
In _________ Purging results are defined by assuming perfect mixing within the vessel, constant temperature, and constant pressure.
A sweep-through purging
B Vacuum purging
C Pressure purging
D Siphon purging
sweep-through purging
The _______ process requires large quantities of nitrogen
A Vacuum purging
B sweep-through purging
C Pressure purging
D Siphon purging
sweep-through purging
The _________ process starts by filling the vessel with liquid - water or any
liquid Compatible with the product.
A Vacuum purging
B sweep-through purging
C Pressure purging
D Siphon purging
Siphon purging
In ____ purging the oxygen concentration is decreased to low concentrations with only a small added expense for the additional sweep through purging.
A Vacuum purging
B sweep-through purging
C Siphon purging
D Pressure purging
Siphon purging
During equipment design for unavoidable ________ design features are added to continuously and reliably inert the atmosphere around the regions where static sparks are likely.
A Static build-up
B Pressure build-up
C Inert build-up
D Temperature rise
Static build-up
Static charge build-up is a result of physically separating a _____ from a good conductor or another poor conductor.
A Poor insulator
B Poor conductor
C Pure metal
D Pure insulator
Poor conductor
Probability of the event that might occur X Severity of the event if it occurs
(A) Accident
(B) Hazard
(C) Risk
(D) None of the above
(C) Risk
Industrial safety management if that branch of management which is concerned with ______ hazards from the industries.
(A) Reducing
(B) Controlling
(C) Eliminating
(D) All of the above
(D) All of the above
The following is indirect cost of accident
(A) Money paid for treatment of worker
(B) Compensation paid to worker
(C) Cost of lost time of injured worker
(D) All of the above
(C) Cost of lost time of injured worker
The following is(are) physical hazard agent(s)
(A) Falls
(B) Electricity
(C) Inhalation
(D) All of the above
(D) All of the above
Check list for Job Safety Analysis (JSA) consists of
(A) Work area, material, machine, tools
(B) Men, machine, material, tools
(C) Men, machine, work area, tools
(D) Men, work area. Material, tools
(A) Work area, material, machine, tools
A safety programme consists of
(A) Three E’s
(B) Four E’s
(C) Five E’s
(D) Six E’s
(B) Four E’s
For household wiring and small units, the following should be used for safety measure
(A) MCB
(B) ACB
(C) OCB
(D) MCCB
(A) MCB
Which of the following colour is used for radiation hazard?
(A) Red
(B) Orange
(C) Green
(D) Purple
(D) Purple
Decibel (db) is a unit used to measure
(A) Light
(B) Sound
(C) Frequency
(D) None of the above
(B) Sound
The following is (are) are generally provided with limit switch to prevent motion beyond preset limit
(A) Hoists
(B) Conveyors
(C) Machine tables
(D) All of the above
(D) All of the above
The following is (are) used as safety device(s) in machines
(A) Fail safe
(B) Safety interlocks
(C) Limit switches
(D) All of the above
(D) All of the above
Class-A fire consists of fire due to
(A) Wood
(B) Oil
(C) Transformer
(D) Chemical
(A) Wood
Water is used to extinguish
(A) Class-A fires
(B) Class-B fires
(C) Class-C fires
(D) All of the above
(A) Class-A fires
The following class of fire occur in electrical equipment
(A) Class-A fires
(B) Class-B fires
(C) Class-C fires
(D) All of the above
(C) Class-C fires
The following extinguisher is suitable for cotton or other textile fire
(A) Water
(B) Soda acid
(C) Foam
(D) Dry chemicals
(D) Dry chemicals
_____ is best suited to extinguishing oil or flammable liquid fire.
(A) Soda acid
(B) Vaporizing liquid
(C) Foam
(D) Dry chemical
(C) Foam
I have a right to know about chemicals I work with or around
A. True
B. False
True
I can learn about the hazards of specific chemicals by
A. Asking a co-worker
B. Reading the Material Safety Data Sheet
C. Reading science magazines
D. Talking to friends about it
Reading the Material Safety Data Sheet
Labels on chemical containers
A. Tell me basic safety and use information
B. Are not required
C. Provide all the information I need
D. Come in many colors
Tell me basic safety and use information
If I use chemicals at work I must
A. Be very careful
B. Never work alone
C. Wear a respirator
D. Be specifically trained and authorized
Be specifically trained and authorized
Material Safety Data Sheets provide information about
A. Hazards about a specific chemical
B. Emergency information
C. Information on chemical reactions
D. All of the above
All of the above
The correct Personal Protective Equipment can
A. Be used when I want to
B. Protect me from Chemical hazards
C. Cause skin irritation
D. Make me work slower
Protect me from Chemical hazards
On the multi-colored chemical label, Blue represents
A. Fire Hazard
B. Health Hazard
C. Reactivity Hazard
D. Personal Protective Equipment
Health Hazard
On the multi-colored chemical label, Red represents
A. Fire Hazard
B. Health Hazard
C. Reactivity Hazard
D. Personal Protective Equipment
Fire Hazard
On the multi-colored chemical label, White represents
A. Fire Hazard
B. Health Hazard
C. Reactivity Hazard
D. Special Hazards
Special Hazards
On the multi-colored chemical label, Yellow represents
A. Fire Hazard
B. Health Hazard
C. Reactivity Hazard
D. Personal Protective Equipment
Reactivity Hazard
Flammable chemicals are stored
A. Where ever it is easy to get to
B. In special flammable storage lockers
C. Near water sources
D. In glass containers
In special flammable storage lockers
Spills of Chemicals should be
A. Cleaned up by trained employees
B. Reported immediately
C. Prevented by using seal containers
D. All of the above
D. All of the above
How many workers were killed on the job in 2012?
A. 46
B. 462
C. 4,628
D. 46,280
4,628
The following symbol is used when something in your workplace is a: Image includes: (4 overlapping circles)
A. Chemical Weapon
B. Biohazard
B. Toxic Substance
C. Radiation Danger
BIOHAZARD: A biohazard is a biological material that poses significant health risks to humans or animals.
If you wanted to convey the most severe type of hazard, which word would you use?
A. Warning
B. Notice
C. Danger
D. Caution
Danger
If you transfer chemicals from a labeled container to a portable container, you don’t need to comply with standard hazardous material labeling requirements when:
A. You hand the container off to someone else
B. You leave the work area before using the materials
C. You don’t use the materials before the end of your work shift
D. None of the above
D. None of the above
Ammonia becomes an immediate danger to your life and health when it is present at the following level or greater:
A. 10 ppm
B. 30 ppm
C. 300 ppm
D. 1000 ppm
300 ppm
You should wear eye, head, and face protection if you are working with
which of the following tools?
A. Portable abrasive wheel tools
B. Electric tools
C. Pneumatic tools
D. Liquid fuel tools
Pneumatic tools
Which of these is not a power tool safety precaution?
A. Never carry a tool by the cord or hose.
B. Never yank the cord or the hose to disconnect it from the receptacle.
C. Keep tools plugged in when not in use, before servicing, and when changing accessories such as blades, bits and cutters.
D. Keep cords and hoses away from heat, oil, and sharp edges.
Keep tools plugged in when not in use, before servicing, and when changing accessories such as blades, bits and cutters.
Which of the following is not true about powder-actuated tools?
A. If a powder-actuated tool misfires, you should try to fire it again immediately.
B. They are so dangerous they can only be powered by specially trained employees.
C. They should never be loaded unless they are being used immediately.
D. They require two separate motions for firing – one to bring to tool into position and another to pull the trigger.
If a powder-actuated tool misfires, you should try to fire it again immediately.
Hydraulic jacks exposed to freezing temperatures must:
A. Be filled with adequate antifreeze liquid
B. Be warmed up before use
C. Be tagged and immediately removed from service
D. None of the above
Be filled with adequate antifreeze liquid
If you are working near a flammable substance, you should always use iron or steel hand tools.
A. True
B. False
False
OSHA requires that electric tools:
A. Have a three wire cord with ground and be grounded
B. Be double insulated
C. Be powered by a low-voltage transformer
D. Any of the above
Any of the above
You should not use a wedge if it has:
A. Pointed head
B. Triangular head
C. Mushroomed head
D. Flat head
Mushroomed head
The Occupational Safety & Health Administration requires employers to have Hearing Conservation Plans if the average 8-hour noise exposure is more than:
A. 1000 decibels
B. 500 deceibles
C. 105 decibels
D. 85 decibels
85 decibels
A normal conversation registers at about:
A. 0 to 10 decibels
B. 10 to 20 decibels
C. 30 to 40 decibels
D. 50 to 60 decibels
50 to 60 decibels
Exposure to high levels of noise can lead to which of the following:
A. High blood pressure
B. Gastrointestinal problems
C. Chronic fatigue.
D. All of the above
All of the above
The most effective way to prevent hearing loss at work is to:
A. Monitor your hearing loss over time with a routine hearing test
B. Always wear ear protection everywhere you go
C. Monitor noise levels through engineering and administrative controls to minimize overexposure
D. None of the above
Monitor noise levels through engineering and administrative controls to minimize overexposure
How many points of contact should you maintain with a ladder at all times?
A. At least two
B. At least three
C. One
D. Four
At least three
How often should ladders be inspected?
A. Before each use
B. Once a week
C. Once a month
D. Every 6 months
Before each use
OSHA prohibits working on a scaffold in the presence of winds above:
A. 10 mph
B. 20 mph
C. 30 mph
D. 40 mph
40 mph
Ladders should be angled so that the its base is one foot out from the wall for each ____ feet of a ladder’s height.
A. 2
B. 4
C. 8
D. 10
4
If you fall, you should always try and break your fall with your hands.
A. True
B. False
False
OSHA restricts ladders from being higher than:
A. 20 feet
B. 15 feet
C. 12 feet
D. 10 feet
20 feet
If you are driving a forklift and it begins to tip over, you should
A. Jump out immediately
B. Stay in the vehicle with your seatbelt unfastened
C. Stay in the vehicle with your seatbelt fastened
D. Stand up with a tight grip on the steering wheel
Stay in the vehicle with your seatbelt fastened
A forklift or industrial truck is unattended if the operator is:
A. More than 25 feet away from the vehicle
B. More than 18 feet away from the vehicle
C. More than 8 feet away from the vehicle
D. More than 3 feet away from the vehicle
More than 25 feet away from the vehicle
Which of the following information is not found on a forklift nameplate?
A. Fuel type
B. Load capacity
C. Names of licensed operators
D. Weight of the forklift
Names of licensed operators
While carrying a load downhill on a forklift, you should:
A. Zig-zag down the hill slowly
B. Drive forward with the fork pointing downhill
C. Drive in reverse with the fork pointing uphill
D. None of the above
Drive forward with the fork pointing downhill
While lowering a load with a forklift, you should not do which of the following?
A. Tilt the mast backward to stabilize the load
B. Stop the truck and put the mast to vertical position
C. Move the truck 8 to 12 feet away from the stack
D. Lower the load so that its lowest point is 6 to 8 inches from the ground
Move the truck 8 to 12 feet away from the stack
What is OSHA’s maximum capacity for a manlift?
A. 500 lbs, 2 people
B. 500 lbs, 3 people
C. 400 lbs, 2 people
D. 200 lbs, 1 person
500 lbs, 2 people
On which of the following types of surfaces should a Class B fire extinguisher not be used?
A. Paint
B. Grease
C. Oil
D. Plastic
Plastic
On which of the following types of surfaces should a Class A fire extinguisher not be used?
A. Cloth
B. Wood
C. Paper
D. Electrical equipment
Electrical equipment
Which type of fire extinguishing system is most commonly used to protect areas containing valuable equipment such as data processing rooms, telecommunications switches, and process control rooms?
A. Fixed extinguishing systems
B. Portable extinguishing systems
C. Hose extinguishing systems
D. It’s up to the discretion the employer
Fixed extinguishing systems
Which class of fire extinguishers should you use on electrically energized fires?
A. Class A
B. Class B
C. Class C
D. Class D
Class C
The acronym “PASS” used for fire extinguisher operation stands for:
A. Pick up, Aim, Squeeze, Squirt
B. Push, Alarm, Swirl, Sweep
C. Pull, Aim, Squeeze, Sweep
D. Pull, Aim, Swirl, Swat
Pull, Aim, Squeeze, Sweep
If you need to wear glasses with your eye or face protection, which of the following options is acceptable:
A. Wearing prescription spectacles with side shields and protective lenses that meet safety requirements and also correct your vision
B. Wearing goggles that fit comfortably over your glasses
C. Wearing goggles that have corrective lenses mounted behind the protective lenses
D. All of the above
All of the above
Which helmet provides electrical protection from high-voltage conductors?
A. Class A helmets
B. Class B helmets
C. Class C helmets
D. Class D helmets
Class B helmets
Which of the following helmets should you not use around electrical hazards?
A. Class A helmets
B. Class B helmets
C. Class C helmets
D. Class D helmets
Class C helmets
Rubber insulating gloves need to be tested:
A. Before first use and then every 6 months
B. Before first use and then once/week
C. Before first use and then once/month
D. Before first use only
Before first use and then every 6 months
Which of the following conditions is least likely to prevent you from wearing a respirator?
A. Having sideburns
B. Wearing glasses.
C. Having a beard.
D. Wearing contact lenses
Wearing contact lenses
Portable space heaters can be a danger in the workplace, and therefore, must:
A. Be approved by the Plan Administrator
B. Have tip-over protection that shuts off the heater if it tips over
C. Have adequate clearance between the heater and any combustibles
D. All of the above
All of the above
The most dangerous place to use electrical equipment is:
A. Near a ladder
B. Outdoors
C. Near water
D. Near other electrical equipment
Near water
The safest ladder to use around electricity is:
A. Wood
B. Aluminum
C. A smaller step stool
D. Fiberglass
Fiberglass
Flexible cords may not be be used for which of the following:
A. Wiring of cranes and hoists
B. Elevator cables
C. To prevent transmission of noise or vibration
D. As a substitute for permanent wiring
As a substitute for permanent wiring
The effects that an electrical shock has on your body can depend on:
A. Its current
B. The presence of moisture in the environment
C. Its duration
D. All of the above
All of the above
Process Safety Incidents generally are a result of an unplanned or uncontrolled release of hazardous material.
a) True
b) False
c) Sometimes, but not always
d) True, unless it disperses to atmosphere
a) True
Continuous improvement in tackling personnel safety issues automatically ensures that process safety issues are addressed
a) Yes
b) No
c) Sometimes
b) No
A safe plant is the one in which
a) Integrity is established at the design stage
b) Technical integrity is maintained throughout the life cycle of the asset
c) Operating integrity is maintained all the time
d) All of the above
d) All of the above
At PDO the risk profile of our operations has
Increased over time
Remained the same
Declined over time
None of the above
Increased over time
Who is responsible for managing process safety and asset integrity
Operations and Maintenance Staff
Projects and Engineering Staff
Contracts and Procurement Staff
All of us either directly or indirectly
All of us either directly or indirectly
If you bypass an ESD function for preventive maintenance but have not properly defined mitigations you have
Removed a hardware barrier
Weakened the hardware barrier
Removed a human barrier
None of the above
Removed a hardware barrier
If you see any leaks or spills what should you do
Walk past as it is not your job to report it.
Report the leak immediately
Report only if the leak seems to be getting worse
Report only if the leak is big
Report the leak immediately
OSHA
OCCUPATIONAL SAFETY AND HAZARD ADMINISTRATION
