CPS-MCQ Question Bank Flashcards by Abigail Peralta

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

A. OSHA incident rate
B. Fatal Accident Rate (FAR)
C. Fatality Rate
D. HAZOP

D. HAZOP

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How toxicants enters into organism?

A. Ingestion
B. Injection
C. Inhalation
D. All of the above

D. All of the above

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Lowest value on response vs dose curve is called _____________.

A. Thresold Limit Value
B. Average response
C. Highest response
D. Relative toxicity

A. Thresold Limit Value

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Identification, Evaluation and control are the phases of _____________.

A. Safety Program
B. Industrial Hygiene
C. Material handling
D. None of above

B. Industrial Hygiene

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Fire is rapid ____________ of ignited fuel.

A. Exothermic Oxidation
B. Exothermic Reduction
C. Endothermic Reduction
D. Endothermic Oxidation

A. 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.

A. Fire
B. Flammability
C. Explosion
D. Toxicity

C. Explosion

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__________________ is the lowest temperature that the vapours of a material will ignite when exposed to an ignition source.

A. Flash point
B. Fire point
C. Autoignition temperature
D. Inerting

B. Fire point

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An explosion occurring within a vessel or a building, known as

A. Confined Explosion
B. Unconfined Explosion
C. BLEVE
D. None of above

A. Confined Explosion

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Which of the following causes of overpressure _________________.

A. Ambient heat
B. Valve failures
C. Both 1 & 2
D. None of above

C. Both 1 & 2

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For material handling which is wrong statement _______________.

A. Indoor storage facilities for flammable liquids should have ventilation.
B. Flammable liquids should be stored in retaining embankments so they cannot spread uncontrollably.
C. Corrosive substances should not be stored above eye level.
D. Environmental risk assessments should not be available.

D. Environmental risk assessments should not be available.

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

A. HAZAN
B. HAZOP
C. AICHE
D. OSHA

D. OSHA

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Hazard evaluation consist of the element ______________.

A. Safety Review/Audit/Inspection
B. HAZAN
C. HAZOP
D. All of the above

D. All of the above

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PHA stands for

A. Process Hazard Analysis
B. Public Housing Authority
C. Public Health Association
D. Personal Health Assessment

A. Process Hazard Analysis

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Which of the following is not Guide word of HAZOP?
A. NO
B. LESS
C. MORE
D. NAND

D. NAND

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HAZAN study includes

A. Estimate how often an incident will occur.
B. steps can be taken to either eliminate risks or reduce risk to an acceptable level.
C. It is centered around the hazard analysis and functional based safety process
D. All of the above

D. All of the above

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Process of adding inert gas to combustible mixture to reduce concentration of oxygen below limiting oxygen concentration (LOC)

A. Fire Point
B. Flash point
C. Inerting
D. Toxicity

C. Inerting

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Vessels can be pressure-purged by adding inert gas __________________.

A. under atmospheric pressure
B. atmospheric pressure
C. above atmospheric pressure
D. at high temperature

A. under atmospheric pressure

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The ____________ process determines whether exposure to a chemical can increase the incidence of adverse health effect.

A. Hazard identification
B. Exposure assessment
C. Toxicity assessment
D. Risk characterization

A. Hazard identification

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Hazard is defined as the probability of

A. suffering harm or loss
B. accident
C. development
D. fire

A. suffering harm or loss

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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.

A. Boiling-Liquid Expanding-Vapor Explosi
B. Vapor Cloud Explosions
C. Missile Damage
D. Blast Damage to People

A. Boiling-Liquid Expanding-Vapor Explosi

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For _____________ the reaction front propagates at a speed less than the speed of sound.
A. deflagration
B. detonation
C. confined explosions
D. unconfined explosions

A. deflagration

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Static electricity is generated when

A. mists or sprays pass through process
B. mists or sprays pass through orifices
C. air pass through pipe
D. water pass through pipe

B. mists or sprays pass through orifices

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The MIE depends on the ____________.

A. specific chemical or mixture
B. the concentration
C. pressure and temperature
D. all of above

D. all of above

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An explosion resulting from the sudden failure of a vessel containing high-pressure nonreactive gas

A. Deflagration
B. Mechanical explosion
C. Flammability limits
D. Firepoint

B. Mechanical explosion

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The essential elements for _______________ are fuel, an oxidizer, and an ignition source A. fire triangle B. explosion C. flammability limits D. toxicity

A. fire triangle

What is toxicity equivalence factor? A. Ratio of the toxicity of a chemical to that of another structurally related chemical (or index compound) chosen as a reference. B. Ratio of the toxicity of a contaminant to that of another structurally related chemical (or index compound) chosen as a reference. C. Ratio of the toxicity of a chemical to that of another chemical pollutant chosen as a reference. D. Ratio of the toxicity of a chemical to that of source.

A. 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 _________. A. Job B. PPE C. Insurance D. Security

B. PPE

ED stands for A. Effective dose B. Toxic dose C. Erectile dysfunction D. Lethal dose

A. Effective dose

Eco-toxicology is based on ______ of chemicals. A. Chemical B. Physical C. Toxicological D. Biological

C. Toxicological

OSHA is part of the ___________ department of labour. A. US B. UK C. India D. Australia

A. US

Toxicants enter organism through ____________. A. Ingestion B. Injection C. Dermal absorption D. All of above

D. All of above

During the ________________ phase, the various types of existing control measures and their effectiveness are also studied. A. Identification B. Evaluation C. Control D. Hygiene

B. Evaluation

The unit-specific technical requirements are designed to ________________. A. Prevent the release of HW B. Good housekeeping C. Analysis D. Export activities

A. Prevent the release of HW

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

A. hazard identification and dose-response evaluation

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

B. Toxicity assessment

Which of the following is not characteristics of hazardous waste? A. Toxicity B. Corrosivity C. Ignitibility D. Leakage

D. Leakage

Results from long-term exposure to lower doses of a chemical is known as _________. A. Acute toxicity B. Chronic toxicity C. Moderate toxicity D. None of these

B. Chronic toxicity

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

A. Methylisocyanate

Heavy metals like Arsenic, Cadmium and Cyanide effects _________. A. Immune system B. Nervous system C. Skin D. Respiratory system

B. Nervous system

____________ represents a contact between a chemical agent and an object. A. Dose B. Response C. Exposure D. Concentration

C. Exposure

Under the OSH Act, employers are responsible for providing a ___________. A. Safe workplace B. Land C. Insurance D. Estimation

A. Safe workplace

OSHA was created to ____________. A. Data analysis B. To reduce hazards C. Ecological development D. EIA analysis

B. To reduce hazards

How is sensitivity analysed in risk estimation? A. By critical assumptions B. Chemical assessment C. Character assessment D. Personal measurement

A. By critical assumptions

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

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

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

C. To characterize adverse effect of toxins

Doses are expressed on a _________ basis. A. Accuracy B. Precision C. Body-weight D. End point

C. Body-weight

Major application of dose-response curve is to obtain _________. A. Toxin B. Carcinogens C. Mutagens D. Threshold

D. Threshold

Which of the following valve is known as a safety valve? A. Scour valve B. Pressure relief valve C. Reflux valve D. Altitude valve

B. Pressure relief valve

When did Seveso accident occur? A. 1974 B. 1975 C. 1976 D. 1977

C. 1976

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

D. 2500

What is chronic toxicity? A. Effects due to long term exposure B. Effects due to short term exposure C. Effects due to exposure D. Benefits due to exposure

A. Effects due to long term exposure

The gauge pressure during normal service, usually 10% below the MAWP known as A. Operating pressure B. Set pressure C. Overpressure D. Accumulation

A. Operating pressure

Pressure relief systems are required for which of the following reasons _________. A. to protect personnel from the dangers of overpressurizing equipment B. to minimize chemical losses during pressure upsets, C. both 1 & 2 D. None of these

C. both 1 & 2

What is acute toxicity? A. Effects due to long term exposure B. Effects due to short term exposure C. Effects due to exposure D. Benefits due to exposure

B. Effects due to short term exposure

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

C. To know the probable source and causes of contamination on site

Hazard identification mainly focus on __________. A. Chemical source and concentration B. Chemical exposure C. Chemical analysis D. Chemical pathway

A. Chemical source and concentration

Estimation of short-term and long term exposure are usually in terms of ________. A. Doses by exposure rate B. Susceptibility C. Population D. Genetics

A. Doses by exposure rate

Which of the following risk assessment tool is used for the determination of spatial distribution of contaminants at the site? A. Hazard identification B. Exposure assessment C. Toxicity assessment D. Risk characterization

B. Exposure assessment

What is the final stage of risk assessment? A. Hazard identification B. Risk characterization C. Exposure assessment D. Toxicity assessment

B. Risk characterization

The toxicological end point for dose response relationship should be _________. A. definitive B. vague C. irrational D. less

A. definitive

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

B. Reasonable worst case

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

D. Calculate probability of adverse effect on individual and population

Elements of safe chemical storage program consist of A. Inventory of Chemicals B. Labeling of Chemicals C. Segregating Incompatibles D. All of the above

D. 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. A. FAR B. Fatality Rate C. OSHA incident rate D. None of above

A. FAR

The last step of accident process is ___________. A. Initiation B. Propagation C. Termination D. Damage

C. Termination

LD50 in a toxicity test stands for ________. A. a dose that will kill 50% of an exposed population B. a dose that would not affect or harm 50% of an exposed population C. a dose that will kill 25% of an exposed population D. a dose that would not kill 25% of an exposed population

A. a dose that will kill 50% of an exposed population

Which of the following incorrect? A. The relief valve is primarily for liquid service. B. The safety valve is for gas service. C. The safety relief valve is used for liquid and gas service. D. None of above

D. 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. A. Backpressure B. Blowdown C. Maximum allowable accumulated pressure D. Relief system

B. Blowdown

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

C. 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 _________. A. Dr. Alice Hamilton B. Paracelsus C. Dr. Ramazzini D. Dr. Percival Pott

C. 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 _____________. A. Dr. Alice Hamilton B. Paracelsus C. Dr. Ramazzini D. Dr. Percival Pott

A. Dr. Alice Hamilton

In what year did the US federal government first pass a workers compensation act for some civil employees? A. 1900 B. 1905 C. 1908 D. 1910

C. 1908

In what year was the first American state workers compensation act passed? A. 1910 B. 1911 C. 1913 D. 1915

B. 1911

This American federal act was the first know legal adoption of standards for allowable concentrations of chemicals in workplace air. A. OHSA B. Mining Act C. Walsh-healey Public Contract Act D. Roosevelt New Deal Act

C. Walsh-healey Public Contract Act

The most well known OEls are established by A. NIOSH B. OSHA C. ANSI D. ACGIH

D. ACGIH

The ACGIH TLVs A. protect all workers B. are developed by consensus C. are science based D. are a legal standard for what is safe

C. 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 A. 1000ppm B. 100ppm C. 50ppm D. 10ppm

A. 1000ppm

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

D. carcinogenicity

Which organization is widely recognized around the world as setting exposure limits for ionizing radiation? A. ACGIH B. National Intitute for Occupational Safety and Health C. American National standards Intitute D. International Commission on Radiological Protection (ICRP)

D. International Commission on Radiological Protection (ICRP)

Which is not an agent ACGIH sets standards for _________ ? A. chemicals B. ionizing radiation C. non-ionizing radiation D. thermal stress

B. ionizing radiation

Which is not one of the main forms in which chemicals are present in the workplace? A. mists B. fibers C. vapour D. gasses

B. fibers

Chemical scause two main kinds of health effects _____________. A. dermatoses and cancer B. external and internal C. local effects and poisoning D. systematic and tissue

C. local effects and poisoning

Who said it is the dose only that makes a thing not a poison? A. Aristotle B. Paracelsus C. Florence Nightingale D. Medici

B. Paracelsus

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

A. 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 is ________. A. innocuous B. lethal C. the most poisonous D. without a threshold level

The most common type of LD 50 test involves ____________. A. chimpanzees B. poison gas delivered to a plexiglass cage C. an oral dose D. skin application

C. an oral dose

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

B. low toxicity

Which statement about ingestion as a route of entry into the workers body by workplace chemicals is incorrect? A. Ingestion is usually a significant way in which chemicals gain entry into the body. B. Food contamination with workplace chemicals can be a way chemicals can enter the body by ingestion. C. Hand washing is a method of entry of chemicals by ingestion can be reduced. D. Eating areas should be located in a part of the workplace removed from chemical contaimination.

A. 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 _____________. A. inflammation and corrosion B. dermatitis and siderosis C. cirrhosis and allergenic response D. melanoma and skin cracking

A. inflammation and corrosion

An example of a workplace chemical that can damage the kidneys specifically is ______________. A. lead salts B. silica C. propanol D. vinyl chloride

A. lead salts

Which is not a chemical known to specifically damage the kidney? A. vinyl chloride B. chlorinated hydrocarbons, such as carbon tetrachloride C. lead salts D. mercury salts

A. vinyl chloride

Which is not one of the four main types of skin exposures? A. mechanical B. radiological C. physical D. chemical

B. radiological

What violations are most commonly cited by OSHA? A. Hazard communications B. Scaffolding C. Fall protection D. Respiratory

C. Fall protection

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

B. Falls

Which of the following is not a chemical-related health hazard? A. Carcinogenicity B. Reactivity C. Corrosivity D. Toxicity

B. 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

D. 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

D. None of the above

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

A. Before first use and then every 6 months

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

A. Fault tree analysis