Process Safety Flashcards by Catherine Losito

Each chemical family should be separated from all other chemical families by an approved non-combustible partition or by a distance of ______ feet.
Ten
Twenty
Thirty
Fourty

Twenty

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In _________ Purging results are defined by assuming perfect mixing within the vessel, constant temperature, and constant pressure.
sweep-through purging
Vauum purging
Pressure purging
Siphon purging

sweep-through purging

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“Not taking any shortcut with respect to safety of personnel & equipment” is an element of
Leadership characteristics
Well-defined managing processes
Maintaining High Standards

Maintaining High Standards

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The acronym “PASS” used for fire extinguisher operation stands for:
Pick up, Aim, Squeeze, Squirt
Push, Alarm, Swirl, Sweep
Pull, Aim, Squeeze, Sweep
Pull, Aim, Swirl, Swat

Pull, Aim, Squeeze, Sweep

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This hazard symbol is used when something is:
Corrosive
Almost empty
Flammable
Highly acidic

Corrosive

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In ____ purging the oxygen concentration is decreased to low concentrations with only a small added expense for the additional sweep through purging
sweep-through purging
Vauum purging
Pressure purging
Siphon purging

Siphon purging

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The ____________ process determines whether exposure to a chemical can increase the incidence of adverse health effect.
Hazard identification
Exposure assessment
Toxicity assessment
Risk characterization

Hazard identification

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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.
Siphon purging
Vauum purging
Pressure purging
sweep-through purging

sweep-through purging

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An example of a workplace chemical that can damage the kidneys specifically is
lead salts
silica
propanol
vinyl chloride

lead salts

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Which organization is widely recognized around the world as setting exposure limits for ionizing radiation
ACGIH
National Intitute for Occupational Safety and health
American National standards Intitute
International commission on Radiological Protection (ICRP)

International commission on Radiological Protection (ICRP)

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Which of the following is true for Nitrogen gas:
It has a Pungent smell
It is a Colorless, odourless and tasteless gas
It is a Light yellow coloured gas
None of the above

It is a Colorless, odourless and tasteless gas

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Estimation of short-term and long term exposure are usually in terms of
Doses by exposure rate
Susceptibility
Population
Genetics

Doses by exposure rate

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OSHA requires that electric tools:
Have a three wire cord with ground and be grounded
Be double insulated
Be powered by a low-voltage transformer
Any of the above

Any of the above

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Ammonia becomes an immediate danger to your life and health when it is present at the following level or greater:
10 ppm
30 ppm
300 ppm
1000 ppm

30 ppm

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I have a right to know about chemicals I work with or around
TRUE
FALSE

TRUE

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……….. 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 Explosi
Vapor Cloud Explosions
Missile Damage
Blast Damage to People

Boiling-Liquid Expanding-Vapor Explosi

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If you need to wear glasses with your eye or face protection, which of the following options is acceptable:
Wearing prescription spectacles with side shields and protective lenses that meet safety requirements and also correct your vision
Wearing goggles that fit comfortably over your glasses
Wearing goggles that have corrective lenses mounted behind the protective lenses
All of the above

All of the above

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Who maintains & updates PSM Critical Equipment List?
Plant Manager
Plant Manager with the help of MIQA Team
Plant Manager with the help of plant PT Team
CTS and CES

Plant Manager with the help of plant PT Team

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toxicants enter organism through
Ingestion
Injection
Dermal absorption
all of above

all of above

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Jacket type safety belt is provided for
Electrician
Rigger
Mechanical technician
Truck drivers

Truck drivers

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An explosion occurring within a vessel or a building, known as
Confined Explosion
Unconfined Explosion
BLEVE
None of above

Confined Explosion

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This symbol means which of the following:
Danger, ionizing radiation
Danger, how-hanging and powerful fan
Danger, risk of frostbite
None of the above

Danger, ionizing radiation

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A waste to be called toxic, acute oral LD50 concentration should be _______ mg/kg.
2200
2300
2400
2500

2500

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An incident can be called hazardous only when?
Stressor has the potential to cause harm to humans and ecological systems
Poses threat to surrounding
Monitoring is failed
Outburst of chemicals

Stressor has the potential to cause harm to humans and ecological systems

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Operational Discipline procedure is applicable to Contractors Visitors Outsourced Employees All levels of employees

All levels of employees

Which of the following should not be stored near organic acids Cryogens Oxidizing mineral acids Compressed gases Pyrophorics

Oxidizing mineral acids

Prior to entering a confined space, all Mechanical Hazards must be Controlled by locks and tags Identified Painted red None of the above

Controlled by locks and tags

Which of the following Causes of overpressure….. Ambient heat Valve failures Both 1 & 2 None of above

Both 1 & 2

How often should ladders be inspected? Before each use Once a week Once a month Every 6 months

Before each use

For existing chemicals, we should always consider ________ exposure assessment based on modelling, to derive an environmental concentration. Better case Reasonable worst case Moderate case High case

Reasonable worst case

What is the final stage of risk assessment? Hazard identification Risk characterisation Exposure assessment Toxicity assessment

Risk characterisation

If three of the following are said to be exposure limits for chemical X, which one is likely to be the ceiling limit 1000ppm 100ppm 50ppm 10ppm

1000ppm

The following is (are) are generally provided with limit switch to prevent motion beyond preset limit Hoists Conveyors Machine tables All of the above

All of the above

Chemical scause two main kinds of health effects dermatoses and cancer external and internal local effects and poisoning systematic and tissue

local effects and poisoning

Which of the following chemical is responsible for acute lung disease from Bhopal gas tragedy? Methylisocyanate Methylisocyanade Methyl Methylcyanate

Methylisocyanate

What violations are most commonly cited by OSHA? Hazard communications Scaffolding Fall protection Respiratory protection

Fall protection

Lockout locks are placed on Moving parts Field LCS A machine All energy sources

All energy sources

PHA stands for Process Hazard Analysis Public Housing Authority Public Health Association Personal Health Assessment

Process Hazard Analysis

…………..is the lowest temperature that the vapours of a material will ignite when exposed to an ignition source. Flash point Fire point Autoignition temperature Inerting

Fire point

Exposure to high levels of noise can lead to which of the following: High blood pressure Gastrointestinal problems Chronic fatigue All of the above

All of the above

Hazard is defined as the probability of suffering harm or loss. accident development fire

suffering harm or loss.

OSHA restricts ladders from being higher than: 20 feet 15 feet 12 feet 10 feet

20 feet

Hazard evaluation consist of the elements….. Safety Review/Audit/Inspecti on HAZAN HAZOP All of the above

All of the above

The father of occupational medicine who said a doctor should always ask a patient of what trade are you is said to be Dr. Alice Hamilton Paracelsus Dr. Ramazzini Dr. Percival Pott

Dr. Ramazzini

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 emoved a human barrier None of the above

Removed a hardware barrier

is applicable only to materials that are electrically conductive Contact and frictional charging Double-layer charging Induction charging Charging by transport

Induction charging

Which of these is not a power tool safety precaution? Never carry a tool by the cord or hose. Never yank the cord or the hose to disconnect it from the receptacle. Keep tools plugged in when not in use, before servicing, and when changing accessories such as blades, bits and cutters. 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.

Static electricity is generated when mists or sprays pass through process mists or sprays pass through orifices air pass through pipe water pass through pipe

mists or sprays pass through orifices

Prevent chemicals from running down sink, floor, or _____________ Storm water drains Holes Channels None of the above

Storm water drains

Vessels can be pressure-purged by adding inert gas ……… Under atmospheric pressure Atmospheric pressure Above Atmospheric pressure at high temp.

Under atmospheric pressure

……….. 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 Explosi Vapor Cloud Explosions Missile Damage Blast Damage to People

Boiling-Liquid Expanding-Vapor Explosi

Which type of Air compressor to be used for SCBA Set filling? Non-lubricated Air compressor Lubricated air compressor Both None of above

Non-lubricated Air compressor

………………..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 Fire Flammability Explosion Toxicity

Explosion

During equipment design for unavoidable ________ design features are added to continuously and reliably inert the atmosphere around the regions where static sparks are likely. Static build-up Pressulre build-up Inert build-up Temperature rise

Static build-up

______ represents a contact between a chemical agent and an object. Dose Response Exposure Concentration

Exposure

Rubber insulating gloves need to be tested: Before first use and then every 6 months Before first use and then once/week Before first use and then once/month Before first use only

Before first use and then every 6 months

OSHA prohibits working on a scaffold in the presence of winds above: 10 mph 20 mph 30 mph 40 mph

40 mph

Water is used to extinguish Class-A fires Class-B fires Class-C fires All of the above

Class-A fires

In which area Hot Work permit is not required? Designated place in the plant Workshop situated at 30 meters away from the plant Kitchen and driving four wheeler on unrestricted road All of these

Kitchen and driving four wheeler on unrestricted road

The ______ 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 Fatality Rate OSHA incident rate None of above

FAR

Elements of safe chemical storage program consist of Inventory of Chemicals Labeling of Chemicals Segregating Incompatibles All of the above

All of the above

Work at height means To work above 3.5 Mtr. from floor level To work above 1.0 Mtr. from floor level To work above 1.5 Mtr. from floor level where permanent working platform is not there None of the above

To work above 1.5 Mtr. from floor level where permanent working platform is not there

In what year did the US federal government first pass a workers compensation act for some civil employees 1900 1905 1908 1910

1908

You should wear eye, head, and face protection if you are working with which of the following tools? Portable abrasive wheel tools Electric tools Pneumatic tools Liquid fuel tools

Pneumatic tools

Material Safety Data Sheets provide information about Hazards about a specific chemical Emergency information Information on chemical reactions All of the above

All of the above

this American federal act was the first know legal adoption of standards for allowable concentrations of chemicals in workplace air OHSA mining Act Walsh-healey Public Contract Act Roosevelt New Deal Act

Walsh-healey Public Contract Act

Which of the following is not Guide word of HAZOP? NO LESS MORE NAND

NAND

If the dose response curves of three chemicals are shown on the same graph, the one which intersects the xaxis (dose) at the lowest dose is innocuous lethal the most poisonous without a threshold level

the most poisonous

A _________ is a discharge from a grounded conductor when it approaches a charged insulator that is backed by a conductor Spark discharge Propagating brush discharge Conical pile discharge Lightning discharge

Propagating brush discharge

The reliability analysis in process industry is done by which of the following? Fault tree analysis Diaster management Event tree analysis (ETA) Event tree diagram

Fault tree analysis

The most well known OEls are established by NIOSH OSHA ANSI ACGIH

ACGIH

Permit to work Addresses personnel safety hazards only Addresses process safety hazards only Addresses components of both personnel safety and process safety hazards All of the above

Addresses components of both personnel safety and process safety hazards

The gauge pressure during normal service, usually 10% below the MAWP known as Operating pressure Set pressure Overpressure Accumulation

Operating pressure

A safe plant is the one in which Integrity is established at the design stage Technical integrity is maintained throughout the life cycle of the asset Operating integrity is maintained all the time All of the above

All of the above

I can learn about the hazards of specific chemicals by Asking a co-worker Reading the Material Safety Data Sheet Reading science magazines Talking to friends about it

Reading the Material Safety Data Sheet

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 Ratio of the toxicity of a contaminant to that of another structurally related chemical (or index compound) chosen as a reference Ratio of the toxicity of a chemical to that of another chemical pollutant chosen as a reference Ratio of the toxicity of a chemical to that of source

Ratio of the toxicity of a chemical to that of another structurally related chemical (or index compound) chosen as a reference

In what year was the first American state workers compensation act passed 1910 1911 1913 1915

1911

What is the leading cause of death on construction sites? Struck by object Falls Caught-in or -between Electrocutions

Falls

What is the leading cause of death on construction sites? Struck by object Falls Caught-in or - between Electrocutions

Falls

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

When did Seveso accident occur? 1974 1975 1976 1977

1976

Which of the following information is not found on a forklift nameplate? Fuel type Load capacity Names of licensed operators Weight of the forklift

Names of licensed operators

for……... the reaction front propagates at a speed less than the speed of sound deflagration detonation Confined Explosions Unconfined Explosions

deflagration

Doses are expressed on a _________ basis. Accuracy Precision Body-weight End point

Body-weight

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 Sweep-through Vacuum Pressure Siphon

Sweep-through

For industrial operations where flammable vapors may be present, any charge accumulation exceeding ___ mJ is considered dangerous. 1 mJ 10 mJ 0.1 mJ 20 mJ

0.1 mJ

Identification, Evaluation and control are the phases of……. Safety Program Industrial Hygiene Material handling None of above

Industrial Hygiene

Ladders should be angled so that the its base is one foot out from the wall for each ____ feet of a ladder’s height. 2 4 8 10

Nitrogen gas station shall be marked for Nitrogen service and danger sign. TRUE FALSE

The following symbol is used when something in your workplace is a: Chemical Weapon Biohazard Toxic Substance Radiation Danger

Biohazard

Which of the following is not characteristics of hazardous waste? Toxicity Corrosivity Ignitibility Leakage

Leakage

For household wiring and small units, the following should be used for safety measure MCB ACB OCB MCCB

MCB

The pressure difference between the relief set pressure and the relief reseating pressure. It is expressed as a percentage of the set pressure. Backpressure Blowdown Maximum allowable accumulated pressure Relief system

Blowdown

Process of adding inert gas to combustible mixture to reduce concentration of oxygen below limiting oxygen concentration (LOC) Fire Point Flash point inerting Toxicity

inerting

In PSSR, Category A points needs to be closed Before commissioning of facility Within 2 weeks after commissioning Within one month after commissioning Whenever free

Before commissioning of facility

The following class of fire occur in electrical equipment Class-A fires Class-B fires Class-C fires All of the above

Class-C fires

Which class of fire extinguishers should you use on electrically energized fires? Class A Class B Class C Class D

Class C

Which of the following colour is used for radiation hazard? Red Orange Green Purple

Purple

OSHA was created to ________ Data analysis To reduce hazards Ecological development EIA analysis

To reduce hazards

The most dangerous place to use electrical equipment is: Near a ladder Outdoors Near water Near other electrical equipment

Near water

Which of the following helmets should you not use around electrical hazards? Class A helmets Class B helmets Class C helmets Class D helmets

Class C helmets

While lowering a load with a forklift, you should not do which of the following? Tilt the mast backward to stabilize the load Stop the truck and put the mast to vertical position Move the truck 8 to 12 feet away from the stack 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

Which of the following is not a chemical-related health hazard? Carcinogenicity Reactivity Corrosivity Toxicity

Reactivity

OSHA is part of the ___________ department of labour. US UK India Australia

If you are working near a flammable substance, you should always use iron or steel hand tools. TRUE FALSE

FALSE

Purpose of PSSR is Construction & Equipment are as per design specification Risk associated with hazardous chemicals is identified Emergency actions required are understood and documented All of the above

All of the above

On which of the following types of surfaces should a Class A fire extinguisher not be used? Cloth Wood Paper Electrical equipment

Electrical equipment

Major application of dose-response curve is to obtain ______ Toxin Carcinogens Mutagens Threshold

Threshold

Spark Discharge is a discharge between two __________ Metallic objects Non-metallic objects Metallic and non-metallic objects Insulators

Metallic objects

Shell of Helmet : The hard smoothly finished material that provides the general outer form of the helmet is made by which material. Glass Suitable plastic HDPE (High density poly ethylene) All of the above

HDPE (High density poly ethylene)

Flammable materials are charged only after the Cleaning Washing Oxidizing Inerting

Inerting

An explosion resulting from the sudden failure of a vessel containing high-pressure nonreactive gas Deflagration Mechanical explosion Flammability limits Firepoint

Mechanical explosion

Class-A fire consists of fire due to Wood Oil Transformer Chemical

Wood

Lowest value on response vs dose curve is called…. Thresold Limit Value Average response Highest response Relative toxicity

Thresold Limit Value

If you wanted to convey the most severe type of hazard, which word would you use? Warning Notice Danger Caution

Danger

An inerting system is required to maintain an inert atmosphere in the _______ above the liquid. Vacuum space Confined space Vapour space None of the above

Vapour space

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? Fixed extinguishing systems Portable extinguishing systems Hose extinguishing systems It’s up to the discretion the employer

Fixed extinguishing systems

Which of the following organizations coordinates the collection of chemical inventories for the Process Industries EH&S OSHA ISO PCRA

EH&S

Which of the following is not measure of effectiveness safety program? OSHA incident rate Fatal Accident Rate(FAR) Fatality Rate HAZOP

HAZOP

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

Inerting is the process of adding an inert gas to a combustible mixture to reduce the concentration of oxygen below the _____________ Oxygen concentration Least Oxygen Concentration Limiting Oxygen Concentration

Least Oxygen Concentration

Which of the following to be referred during storage of specific chemicals Material Safety Data Sheet Steam Table Chemical and Physical Properties Chemical Storage Guide

Chemical Storage Guide

PSSR is to be done Before commissioning of facility After commissioning of facility Any time Whenever free

Before commissioning of facility

The _________ process starts by filling the vessel with liquid - water or any liquid Compatible with the product. sweep-through purging Vauum purging Pressure purging Siphon purging

Siphon purging

Probability of the event that might occur X Severity of the event if it occurs Accident Hazard Risk None of the above

Risk

If you fall, you should always try and break your fall with your hands. TRUE FALSE

FALSE

The ACGIH TLVs protect all workers are developed by consensus are science based are a legal standard for what is safe

are science based

The safest ladder to use around electricity is: Wood Aluminum A smaller step stool Fiberglass

Fiberglass

What is the meaning of TBRA? Task Based Routine Activity Task Based Risk Assessment Team Based Risk Activity Task By Risk Approach

Task Based Risk Assessment

Process Safety incidents are generally caused by failure of A single barrier Multiple barriers Sometimes single but sometimes multiple barriers None of the above

Multiple barriers

Static charge build-up is a result of physically separating a _____ from a good conductor or another poor conductor. Poor insulator Poor conductor Pure metal Pure insulator

Poor conductor

Fire is rapid-------- of ignited fuel. Exothermic oxidation exothermic reduction Endothermic Reduction Endothermic oxidation

Exothermic oxidation

How is sensitivity analysed in risk estimation? By critical assumptions Chemical assessment Character assessment Personal measurement

By critical assumptions

Who is the Champion for TBRA Procedure? CES Head Site Shift manager Safety Head Nobody

Safety Head

In SCBA set Warning whistle should start blowing at 10 bars 45 bars 200 bars 0 bars

45 bars

If you are driving a forklift and it begins to tip over, you should Jump out immediately Stay in the vehicle with your seatbelt unfastened Stay in the vehicle with your seatbelt fastened Stand up with a tight grip on the steering wheel

Stay in the vehicle with your seatbelt fastened

Check list for Job Safety Analysis (JSA) consists of Work area, material, machine, tools Men, machine, material, tools Men, machine, work area, tools Men, work area. Material, tools

Work area, material, machine, tools

Acetic acid is both – Corrosive acid and combustible liquid Corrosive base and combustible liquid Cryogen and combustible gas Oxidizer and combustible liquid

Corrosive acid and combustible liquid

A safety programme consists of Three E’s Four E’s Five E’s Six E’s

Four E’s

The purpose of ventilation is to dilute the _______ with air to prevent explosion and to confine the ______ mixtures. Toxic vapors; flammable Hazardous flammable; Explosive vapors Explosive vapors; hazardous flammable Flammable; Toxic vapors

Explosive vapors; hazardous flammable

___________ establishes the relationship between the contaminant/s of concern and the receptor. Hazard identification Toxicity assessment Risk characterisation Exposure assessment

Toxicity assessment

For any given chemical, a high LD 50 value generally means carcinogenicity low toxicity high toxicity nothing - much more needs to be known

low toxicity

What is the main purpose of hazard identification? To minimise the effect of a consequence For better risk management To characterize adverse effect of toxins To reduce probability of occurrence

To characterize adverse effect of toxins

the two main categories of skin irritation caused by chemicals are inflammation and corrosion dermatitis and siderosis cirrhosis and allergenic response melanoma and skin cracking

inflammation and corrosion

What is acute toxicity? Effects due to long term exposure Effects due to short term exposure Effects due to exposure Benefits due to exposure

Effects due to short term exposure

Which helmet provides electrical protection from high-voltage conductors? Class A helmets Class B helmets Class C helmets Class D helmets

Class B helmets

Spills of Chemicals should be Cleaned up by trained employees Reported immediately Prevented by using seal containers All of the above

All of the above

-_____ is best suited to extinguishing oil or flammable liquid fire. Soda acid Vaporizing liquid Foam Dry chemicals

Foam

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

Which is not a chemical known to specifically damage the kidney vinyl chloride chlorinated hydrocarbons, such as carbon tetrachloride lead salts mercury salts

vinyl chloride

Who is the approver for the Interlock Bypassed for duration less than 24 hrs? Plant HOD Shift Incharge Production Manager None of the above

Plant HOD

During the ……………...phase, the various types of existing control measures and their effectiveness are also studied. Identification Evaluation Control Hygiene

Evaluation

When charged liquid droplets or solid particles settle on an isolated object, the object is charged then it is a Contact and frictional charging Double-layer charging Induction charging Charging by transport

Charging by transport

The _______ process requires large quantities of nitrogen sweep-through purging Vauum purging Pressure purging Siphon purging

sweep-through purging

Which is an appropriate anchor point for lanyard of full body harness? Sprinkler water pipeline Permanent Structure Impulse tube None of the above

Permanent Structure

Which is not an agent ACGIH sets standards for chemicals ionizing radiation non-ionizing radiation thermal stress

ionizing radiation

How many workers were killed on the job in 2012? 46 462 4628 46280

4628

If I use chemicals at work I must Be very careful Never work alone Wear a respirator Be specifically trained and authorized

Be specifically trained and authorized

The Occupational Safety & Health Administration requires employers to have Hearing Conservation Plans if the average 8-hour noise exposure is more than: 1000 decibels 500 deceibles 105 decibels 85 decibels

85 decibels

Most of common hazardous classes include Corrosive acids Oxidizer Cryogens All of the above

All of the above

A container holding a hazardous material must include which of the following as of June 15, 2014: Identity of the hazardous chemical only Identity of the hazardous chemical, instructions on how to use Identify of the hazardous chemical, names of employees authorized to use None of the above

None of the above

vacuum purging is a common procedure for which of the following Storage vessels Crystallizers Distillation columns Reactors

Reactors

The essential elements for ……………... are fuel, an oxidizer, and an ignition source Fire triangle explosion Flammability limits toxicity

Fire triangle

Hydraulic jacks exposed to freezing temperatures must: Be filled with adequate antifreeze liquid Be warmed up before use Be tagged and immediately removed from service None of the above

Be filled with adequate antifreeze liquid

A normal conversation registers at about: 0 to 10 decibels 10 to 20 decibels 30 to 40 decibels 50 to 60 decibels

50 to 60 decibels

a dose response curve illustrating acute toxicity usually has a s-shaped or sigmoidal curve a straight line at about a 45 degree angle and elliptical curve a bell-shaped curve

a s-shaped or sigmoidal curve

Which is not one of the four main types of skin exposures mechanical radiological physical chemical

radiological

The following is (are) used as safety device(s) in machines Fail safe Safety interlocks Limit switches All of the above

All of the above

The essential elements for ……………... are fuel, an oxidizer, and an ignition source Fire triangle explosion Flammability limits toxicity

Fire triangle

Each chemical family is to be separated by Brick wall Plastic wall Non-combustible partition Metal wall

Non-combustible partition

Flexible cords may not be be used for which of the following: Wiring of cranes and hoists Elevator cables To prevent transmission of noise or vibration As a substitute for permanent wiring

As a substitute for permanent wiring

An explosion resulting from the sudden failure of a vessel containing high-pressure nonreactive gas Deflagration Mechanical explosion Flammability limits Firepoint

Mechanical explosion

Which of the following risk assessment tool is used for the determination of spatial distribution of contaminants at the site? Hazard identification Exposure assessment Toxicity assessment Risk characterisation

Exposure assessment

How is Hazard calculated ? Exposure x Severity x Probability Exposure x Hazard Exposure x Severity None

Exposure x Severity

Under the OSH Act, employers are responsible for providing a Safe workplace Land Insurance Estimation

Safe workplace

If you see this sign in your workplace you should: Not work near in area if it can be avoided Always assume the line is live Avoid using tools like ladders and scaffold poles that might touch the power lines All of the above

All of the above

On the multi-colored chemical label, Blue represents Fire Hazard Health Hazard Reactivity Hazard Personal Protective Equipment

Health Hazard

The following is(are) physical hazard agent(s) Falls Electricity Inhalation All of the above

All of the above

Process Safety Incidents generally are a result of an unplanned or uncontrolled release of hazardous material. TRUE FALSE Sometimes, but not always True, unless it disperses to atmosphere

TRUE

the most common type of LD 50 test involves chimpanzees poison gas delivered to a plexiglass cage an oral dose skin application

an oral dose

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

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

Heavy metals like Arsenic, Cadmium and Cyanide effects _________ Immune system Nervous system Skin Respiratory system

Nervous system

Process Safety incidents can cause Multiple injuries and/or fatalities Massive asset damage Environmental consequence Reputation impact

Multiple injuries and/or fatalities

How many points of contact should you maintain with a ladder at all times? At least two At least three One Four

At least three

Which of the following conditions is least likely to prevent you from wearing a respirator? Having sideburns Wearing glasses. Having a beard. Wearing contact lenses

Wearing contact lenses

Which of the following is not a chemical-related health hazard? Carcinogenicity Reactivity Corrosivity Toxicity

Reactivity

Tag out tags contains: A picture of a lock A warning not to turn on or operate the machine A listing of the repairs or servicing planned

A warning not to turn on or operate the machine

The most effective way to prevent hearing loss at work is to: Monitor your hearing loss over time with a routine hearing test Always wear ear protection everywhere you go Monitor noise levels through engineering and administrative controls to minimize overexposure None of the above

Monitor noise levels through engineering and administrative controls to minimize overexposure

On the multi-colored chemical label, Yellow represents Fire Hazard Health Hazard Reactivity Hazard Special Hazards

Reactivity Hazard

Which of the following valve is known as a safety valve? Scour valve Pressure relief valve Reflux valve Altitude valve

Pressure relief valve

How toxicants enters into organism? Ingestion Injection Inhalation All of the above

All of the above

While storing of chemicals in store rooms the care must be taken for the leaks, spills and _____ Weeps Holes Drips None of the above

Drips

When the permit to work on fragile roof shall be issued? Assessing the availability of anchorage point General declaration of the contractor endorsed by authorized officials Risk assessment for the job is submitted. All of the above

All of the above

PHA is carried out for all new facilities only. TRUE FALSE

FALSE

On the multi-colored chemical label, White represents Fire Hazard Health Hazard Reactivity Hazard Special Hazards

Special Hazards

The last step of accident process Initiation Propagation Termination damage

Termination

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: You hand the container off to someone else You leave the work area before using the materials You don’t use the materials before the end of your work shift None of the above

None of the above

What is the crucial prerequisite for MIQA implementation as a part of PSM? Preparation of Equipment Master List Updating of P&ID Identification of PSM Critical Equipment All of above

All of above

They are so dangerous they can only be powered by specially trained employees. You hand the container off to someone else You leave the work area before using the materials You don’t use the materials before the end of your work shift None of the above

None of the above

What is the main goal of risk management? Pathway analysis Estimation Transportation Calculate probability of adverse effect on individual and population

Calculate probability of adverse effect on individual and population

The MIE depends on the specific chemical or mixture the concentration pressure and temperature all of above

all of above

For material handling which is wrong statement……… Indoor storage facilities for flammable liquids should have ventilation. Flammable liquids should be stored in retaining embankments so they cannot spread uncontrollably. Corrosive substances should not be stored above eye level. Environmental risk assessments should not be available.

Environmental risk assessments should not be available.

How is Risk calculated ? Exposure x Severity x Probability Exposure x Hazard Exposure x Severity None

Exposure x Severity x Probability

Is 'Calibration of Safety Valve' a PSM Critical task? Yes No Can't say

Yes

PSSR is an element of Behavioral safety management Process safety management Management of Change None

Process safety management

On the multi-colored chemical label, Red represents Fire Hazard Health Hazard Reactivity Hazard Personal Protective Equipment

Fire Hazard

ED stands for Effective dose Toxic dose Erectile dysfunction Lethal dose

Effective dose

vessel is pressurized with pure nitrogen, the number of moles of oxygen ________ during pressurization, whereas the mole fraction _________. Increases; decreases Decreases; increases Remains constant; decreases Increases; increases

Remains constant; decreases

for……... the reaction front propagates at a speed less than the speed of sound deflagration detonation Confined Explosions Unconfined Explosions

deflagration

While carrying a load downhill on a forklift, you should: Zig-zag down the hill slowly Drive forward with the fork pointing downhill Drive in reverse with the fork pointing uphill None of the above

Drive forward with the fork pointing downhill

Which of the following is not true about powder-actuated tools? If a powder-actuated tool misfires, you should try to fire it again immediately. They are so dangerous they can only be powered by specially trained employees. They should never be loaded unless they are being used immediately. 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.

From which Hazards , we need to provide protection to Head against injuries ? Flying objects Chemical/HC splashes Electrical shocks ALL of the above

ALL of the above

Results from long-term exposure to lower doses of a chemical is known as ________ Acute toxicity Chronic toxicity Moderate toxicity None

Chronic toxicity

What is OSHA’s maximum capacity for a manlift? 500 lbs, 2 people 500 lbs, 3 people 400 lbs, 2 people 200 lbs, 1 person

500 lbs, 2 people

You should not use a wedge if it has: Pointed head Triangular head Mushroomed head Flat head

Mushroomed head

What should be ensured before starting work on fragile roof? Life line system Fall arrester system Safety net including safe access and egress is available. ALL of the above

ALL of the above

Rubber insulating gloves need to be tested: Before first use and then every 6 months Before first use and then once/week Before first use and then once/month Before first use only

Before first use and then every 6 months

LD50 in a toxicity test stands for ______ a dose that will kill 50% of an exposed population a dose that would not affect or harm 50% of an exposed population a dose that will kill 25% of an exposed population a dose that would not kill 25% of an exposed population

a dose that will kill 50% of an exposed population

The MIE depends on the specific chemical or mixture the concentration pressure and temperature all of above

all of above

Flammable chemicals are stored Where ever it is easy to get to In special flammable storage lockers Near water sources In glass containers

In special flammable storage lockers

Labels on chemical containers Tell me basic safety and use information Are not required Provide all the information I need Come in many colors

Tell me basic safety and use information

What is the most common approach used to asses skin exposure to a contaminant? biological monitoring is commonly used to assess total body burden or chemical contaminants critical flux is the does resulting from inhalation exposure combined with dermal exposure using pad or dosimeters to determine the amount of contaminant deposited on the skin there is no recognized approach to assess skin exposure to a contaminant

using pad or dosimeters to determine the amount of contaminant deposited on the skin

OSHA ensures that employees have been provided with _________ Job PPE Insurance Security

PPE

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

Compliance of Statutory Clearance is a check point of PSSR Yes No To be decided by the team

Yes

What is chronic toxicity? Effects due to long term exposure Effects due to short term exposure Effects due to exposure Benefits due to exposure

Effects due to long term exposure

The definition of the ACGIH TLV_STELs refer to certain health effects that must be avoided. these do not include irritation chronic or irreversible tissue damage serious narcosis carcinogenicity

carcinogenicity

Which is not one of the main forms in which chemicals are present in the workplace mists fibers vapours gasses

fibers

In gas cutting set how many flash back arrestors are used? 0 1 2 4

Flammable and combustible liquids are to stored in Bins Flammable storage cabinets Barrels Cans

Flammable storage cabinets

Decibel (db) is a unit used to measure Light Sound Frequency None of the above

Sound

Who said it is the dose only that makes a thing not a poison Aristotle Paracelsus Florence Nightingale Medici

Paracelsus

A forklift or industrial truck is unattended if the operator is: More than 25 feet away from the vehicle More than 18 feet away from the vehicle More than 8 feet away from the vehicle More than 3 feet away from the vehicle

More than 25 feet away from the vehicle

Eco-toxicology is based on ______ of chemicals. Chemical Physical Toxicological Biological

Toxicological

What are the steps involved in evaluation of toxicity? hazard identification and dose-response evaluation chemical analysis pathway analysis evaluation of long term impact

hazard identification and dose-response evaluation

Why does site history have to be considered for hazard identification? To estimate the risk To calculate carcinogenic exposure To know the probable source and causes of contamination on site For determination of remedial actions

To know the probable source and causes of contamination on site

What violations are most commonly cited by OSHA? Hazard communications Scaffolding Fall protection Respiratory protection

Fall protection

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 food contamination with workplace chemicals can be a way chemicals can enter the body by ingestion hand washing is a method of entry of chemicals by ingestion can be reduced eating areas should be located in a part of the workplace removed from chemical contaimination

ingestion is usually a significant way in which chemicals gain entry into the body

PSSR is mandatory for Only new facilities Modified facilities Hired facilities All

All

Industrial safety management if that branch of management which is concerned with ______ hazards from the industries. Reducing Controlling Eliminating All of the above

All of the above

The following is indirect cost of accident Money paid for treatment of worker Compensation paid to worker Cost of lost time of injured worker All of the above

Cost of lost time of injured worker

On which of the following types of surfaces should a Class B fire extinguisher not be used? Paint Grease Oil Plastic

Plastic

None of the above

Who inspects the portable electrical tools? Electrician Permit Holder CES None of these

Electrician

Who is responsible for ensuring the workers are provided with safe working envrionment? HAZAN HAZAN AICHE OSHA

OSHA

The following extinguisher is suitable for cotton or other textile fire Water Soda acid Foam Dry chemicals

Dry chemicals

The unit-specific technical requirements are designed to …… Prevent the release of HW Good housekeeping Analysis Export activities

Prevent the release of HW

The effects that an electrical shock has on your body can depend on: Its current The presence of moisture in the environment Its duration All of the above

All of the above

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 Paracelsus Dr. Ramazzini Dr. Percival Pott

dr. Alice Hamilton

Hazard identification mainly focus on Chemical source and concentration Chemical exposure Chemical analysis Chemical pathway

Chemical source and concentration

Asphyxiate means Atmospheric condition in confined space Normal atmospheric condition A vapour or gas that can cause unconsciousness or death by Suffocation (i.e.lack of oxygen) None of the above

A vapour or gas that can cause unconsciousness or death by Suffocation (i.e.lack of oxygen)

The toxicological end point for doseresponse relationship should be _________ Definitive Vague Irrational Less

Definitive

Continuous improvement in tackling personnel safety issues automatically ensures that process safety issues are addressed Yes No Sometimes

Portable space heaters can be a danger in the workplace, and therefore, must: Be approved by the Plan Administrator Have tip-over protection that shuts off the heater if it tips over Have adequate clearance between the heater and any combustibles All of the above

All of the above