DOCSITY Flashcards by Abigail Peralta

Which of the following organizations coordinates the collection of chemical inventories for the Process Industries?

A. EH&S
B. OSHA
C. ISO
D. PCRA

A. EH&S

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Most of common hazardous classes include?

A. Corrosive acids
B. Oxidizer
C. Cryogens
D. All of the above

D. All of the above

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Each chemical family is to be separated by

A. Brick wall
B. Plastic wall
C. Non-combustible partition
D. Metal wall

C. Non-combustible partition

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Which of the following should not be stored near organic acids?

A. Cryogens
B. Oxidizing mineral acids
C. Compressed gases
D. Pyrophorics

B. Oxidizing mineral acids

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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 Guide

D. Chemical Storage Guide

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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

A. Corrosive acid and combustible liquid

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Flammable and combustible liquids are to stored in ________________.

A. Bins
B. Flammable storage cabinets
C. Barrels
D. Cans

B. Flammable storage cabinets

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Inerting is the process of adding an inert gas to a combustible mixture to reduce the concentration of oxygen below the _____________.

A. Oxygen concentration
B. Least Oxygen Concentration
C. Limiting Oxygen Concentration
D. None of these

C. Limiting Oxygen Concentration

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Flammable materials are charged only after the ____________.

A. Cleaning
B. Washing
C. Oxidizing
D. Inerting

D. Inerting

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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

A. Sweep-through

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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 m

C. 0.1 mJ

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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

D. Charging by transport

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___________ 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

C. Induction charging

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Spark Discharge is a discharge between two ____________.

A. Metallic objects
B. Non-metallic objects
C. Metallic and non-metallic objects
D. Insulators

A. Metallic objects

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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

B. Propagating brush discharge

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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

C. 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

B. 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

C. Drips

Prevent chemicals from running down sink, floor, or ____________.

A. Storm water drains
B. Holes
C. Channels
D. None of the above

A. 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

C. vapour space

Vacuum purging is a common procedure for which of the following?

A. Storage vessels
B. Crystallizers
C. Distillation columns
D. Reactors

D. 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

C. remains constant; decreases

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. vacuum purging
C. pressure purging
D. sweep-through purging

D. 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

A. sweep-through purging

The _________ process requires large quantities of nitrogen. A. vacuum purging B. sweep-through purging C. pressure purging D. siphon purging

B. 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

B. sweep-through 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

C. 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. Pressulre build-up C. Inert build-up D. Temperature rise

A. 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

B. Poor conductor

Process Safety incidents can cause: A. Multiple injuries and/or fatalities B. Massive asset damage C. Environmental consequence D. Reputation impact E. All of the above

E. 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

Permit to work A. Addresses personnel safety hazards only B. Addresses process safety hazards only C. Addresses components of both personnel safety and process safety hazards D. All of the above

C. Addresses components of both personnel safety and process safety hazards

Continuous improvement in tackling personnel safety issues automatically ensures that process safety issues are addressed A. Yes B. No C. Sometimes, but not always D. True, unless it disperses to atmosphere

B. No

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

B. Multiple barriers

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 _______________. A. increased over time. B. remained the same. C. declined over time. D. none of the above.

A. increased over time.

Who is responsible for managing process safety and asset integrity? A. Operations and Maintenance Staff B. Projects and Engineering Staff C. Contracts and Procurement Staff D. All of us either directly or indirectly

D. All of us either directly or indirectly

If you bypass an ESD function for preventive maintenance but have not properly defined mitigations you have: A. Removed a hardware barrier B. Weakened the hardware barrier C. Removed a human barrier D. None of the above

A. Removed a hardware barrier

If you see any leaks or spills what should you do A. Walk past as it is not your job to report it. B. Report the leak immediately C. Report only if the leak seems to be getting worse D. Report only if the leak is big

B. Report the leak immediately