Process Safety Flashcards by Patrick G.

Which of the following is not measure of effectiveness safety program?

HAZOP

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HAZOP

HAZARD AND OPERABILITY STUDY

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HAZAN

HAZARD ANALYSIS

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OSHA

OCCUPATIONAL SAFETY AND HAZARD ADMINISTRATION

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LOC

LIMITING OXYGEN CONCETRATION

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BLEVE

BOILING-LIQUID EXPANDING-VAPOR EXPLOSION

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MIE

MINIMUM IGNITION ENERGY

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PHA

PROCESS HAZARD ANALYSIS

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PPE

PERSONAL PROTECTIVE EQUIPMENT

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JSA

JOB SAFETY ANALYSIS

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EFFECTIVE DOSE

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VCE

Vapor Cloud Explosion

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DTE

Differential Thermal Analysis

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CEI

Chemical Exposure Index

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FEI

Fire and Explosion Index

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HIRA

Hazard Identification and Risk Analysis

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FTA

Fault Tree Analysis

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QRA

Quantitative Risk Assessment

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TRA

Transportation Risk Analysis

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How toxicants enters into organism?

Ingestion
Injection
Inhalation
All of the above

All of the above

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Lowest value on response vs dose curve is called…

Thresold Limit Value

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Identification, Evaluation and Control are the phases of ____.

Industrial Hygiene

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Fire is rapid ____ of ignited fuel

Exothermic oxidation

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____ 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

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____ 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.

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

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

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

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

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

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

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

Process Safety Flashcards

Concepts in chemical process safety techniques, practices, heuristics, and parameters