Chapter 7 & 8 Process technology safety

¡Supera tus tareas y exámenes ahora con Quizwiz!

hearing conservation and industrial noise

After process technician have experienced hearing loss due to industry noise it is unlikely they will ever recover

Types of fire extinguishers

Carbon dioxide Dry chemical Foam fire Halon fire Water fire

Fire classification system

Class A fires involve combustion material such as wood paper or plastic Class B fires involve combustion and flammable gases and liquids and grease Class C fires are categorized as electrical fires Class D fires cover combustion metals

Blood-borne pathogens

March 1992 Disease-causing organisms transferred through contact with blood or other body fluids HIV HBV AIDS

Phillips explosions

Oct 22 1989 employees at Phillips were asked to remove a polyethylene blockage. They refused and the job was given to contract workers 85,000 lbs of high pressure gases were dumped from the reactor system The explosion killed 23 workers and the entire plant was destroyed The explosion registered a 3.5 on the Richter scale

Hearing loss occurs through four categories

Overall noise level Intensity of noise Duration of workday Duration over a lifetime

Polymers and fires

Polymers are natural or synthetic compounds linked together in long chains

Hazards of lifting

Proper lifting techniques require a technician to keep the load close to the body Bend at the knees and lift with the legs Keep the feet shoulders with apart Avoid twisting Bend knees and squat down

Electrical hazards

Sparks and arcs static electricity lightening stray currents energized equipment and electrical shock

Ignition Temperature

The ignition temperature is described as the lowest temperature at which a substance will automatically ignite. This process does not require a flame to occur. If the mixture is within it flammability limits and has reached its ignition temperature it will ignite

Fires, Explosions, and Detonations

The lowest temperature at which an air hydrocarbon mixture will explode or burn is called the ignition temperature

Chemical explosions

Thermal explosions are the most common in the chemical industry

Biological hazards

Viruses, bacteria, and other organisms in the environment that harm human health are classified as

Texas city fire and explosion

April 16 1947 One of the worst industrial accidents to occur in the US The SS grandcamp was carrying ammonium nitrate It killed 581 bystanders the ship crew and volunteer firefighters It knocked two airplanes out of the air Approximately 880 tons of ammonium nitrate had exploded

hearing protection can be classified in three ways

Engineering noise abatement Administration noise abatement Personal hearing protection

flammable and explosive material

Fire is a chemical process that requires fuel heat and oxygen in the correct proportions to chemically react together

Correct steps in reporting a fire

Give name and phone number Give fire location and extent of fire Give products involved in fire

Fire extinguisher use

Identify the type of material involved Select the appropriate fire extinguisher Test the extinguisher Approach upwind of the fire Aim at the base of the flames using a sweeping motion Back away from the fire before the extinguisher is emptied Never turn your back on a fire

FIRE STAGES Growth Stage (Incipient)

Incipient stage Smoldering stage Flame stage Heat stage

heat and radiation

Is a primary concern for chemical and refinery workers High temperature can result in heat stoke

Grounding

Is described as connecting an object to the earth with a copper wire and grounding rod

Bonding

Is described as physically connecting two objects together with a copper wire

Ergonomic hazards

Is the science of how humans interact with their work environment

ARCO explosion

July 5 1990 Killed 17 men An industrial partnership was formed between education government and industry


Conjuntos de estudio relacionados

CTS 1120 - Final Exam (Multiple Choice)

View Set

Psychology Chapter 9a Learning Curve

View Set

Art 201: Chapter 12 Quiz Questions

View Set

Business Ethics - Exam #2 Study Guide

View Set

what they're doing here- yu-mei balasingamchow

View Set

8001: Words from the text. Part I

View Set

Ch 17: Preoperative Nursing Management (1)

View Set