Human Factor Flashcards by Faiz Malik

How to handle and store flammables ?

Containers should be grounded
Stored only in approved containers
Store flammable toxic and corrosive toxic materials separately

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What are flammables ?

Also known as combustible

Material that may be easily ignited

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Categories of hazardous materials

Chemical agents
Physical hazards
Biological hazards

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What is FACTOR

Flammables 
And
Corrosive 
Toxic
Or 
Reactive

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What are corrosives ?

Materials that react with metallic surfaces or cause burning of skin

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Information about corrosives

Strong acids usually come from liquid

Bases come in powdered form

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What are carcinogens?

Type of toxins that may cause changes in the genetic makeup of human cell,resulting in cancer

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How to handle corrosives?

Containers must be corrosive resistant
Eye and skin protection should be worn always
Flammable toxin and corrosive toxin materials must be stored separately

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What are reactives?

Materials that react violently with other materials

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What are toxins?

Substance that can cause illness or injury

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Information about reactives

Water reactive materials,such as lithium,react with water and form hydrogen gases,which are very explosives.

Chloride bleach and ammonia forms high toxic chlorine gas

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What is meant by the term “physical hazards”?

Maintenance technician exposed because of use of equipment not directly controllable by them

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What is meant by the term “biological hazards”?

Living organisms that may cause illness or disease

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How are biological hazards been transmitted?

In the form of air droplets or spores

Enter the body through contact with contaminated objects

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What can be found in section 1 of msds?

Product identification
Manufacturer name,address & phone
Chemical name
Emergency number

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What can be found in section II of the msds?

Hazardous ingredients
PEL
TLVs
TD

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What is meant by the following?

PEL: Personal exposure limits
TLVs: Theshold limit values
TD: Toxicity data
STEL: Short term exposure limit
TWA: Time weighted average

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What is meant by the term “flash points”?

The lowest temperature at which a flammable liquid will give off enough vapor to burn

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What can be found in section III of the msds?

Physical data
Boiling point
Vapor pressure
Specific gravity
Evaporation rate
Appearance and odor

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What can be found in section v of the msds?

Reactivity data
stability data
incompatibility
hazardous decomposition product
Hazardous polymerization

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What can be found in section IV of the msds?

Fire and explosive data

flash points
lower & upper explosive limit (lel/uel)
extinguishing agents

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What can be found in section VI of the msds?

Health hazard information

primary means of explosure
threshold limits
effect of over exposure

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What can be found in section VII of the msds?

Spill,leak and disposal info

-information regarding containment,evacuation procedures and disposal

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What can be found in section VIII of the msds?

Special protection

ventilation
respiratory equipment
special clothing consideration

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What can be found in section IX of the msds?

Special precautions

Know the diamond coding systems

- health hazard diamond is blue - flammability hazard diamond is red - reactivity hazard diamond is yellow - specific hazard diamond is white

Name the type of burns

``` Dry burn Wet burn Cold burn Electrical burn Chemical burn Radiation burn ```

Examples of dry burn

Flames Lighted cigarettes Hot electrical equipment such as iron

Name example of wet burn

Steam | Hot water

Name examples of cold burns

Liquid oxygen | Liquid nitrogen

What is msds?

Material safety data sheet

Name examples of radiation burns

Sun rays | Light reflected from a bright surface

What is meant by combustion

A chemical reaction or a series of reaction accompanied by evolution of heat and light

What are 3 elements for combustion to take place?

Heat Fuel Oxygen

What is fuel?

Combustible solid or liquid which gives off vapors that will burn when the ignition temperature is raised

Information about heat

- for the fuel to ignite ,the heat must be strong and high in intensity - burns after the solid or liquid vaporizes or decomposed by heat to produce a gas

What is flash point and ignition temperature?

Flash point -the lowest temperature at which a substances gives off vapor or gases in a sufficient quantity to be ignited Ignition temperature -temperature at which fuel will ignite spontaneously without flame or other ignition sources

How many classes of fires are there?what are they?

Class A : solid fires Class B : liquid fires Class C : electrical fires Class D : metal fires

How many methods are there to extinguisher a fire and what are they?

Starving Smothering Cooling

How can the method of starving be applied?

By removing combustible material from the neighborhood of the fire By removing the fire from the neighborhood material

How can the method of smothering be applied?

By limiting the amount of oxygen to the fire,combustion will ceased

How can the method of cooling be applied?

Lowering down of heat by dousing it with water until it's temperature all below the ignition temperature of the fire

What is SHEL?

S. SOFTWARE H. HARDWARE E. ENVIRONMENT L. LIVEWARE

What is Murphy's law?

If something can go wrong it will go wrong

Name the parts of the eye

Cornea Iris and pupil Lens Retina

Function of the cornea

Focusing device 70-80% responsibility of focusing ability of eye Also know as window

Function of the iris

Controls the amount of light that is allowed to enter the eye

Function of lens

Final focusing adjustment to place a sharp image onto the retina

Factors that can affect the visual acuity of the eye

Physical factors Influence of ingested foreign substances Environment factors

Name some visual problems/illness

``` Hypermetropia Myopia Cataracts Astigmatism Glaucoma Migraine ```

What is hypermetropia?

Caused by a shorter them normal eyeball Image is formed behind the retina Also known as long sighted

What is myopia?

Caused by a longer than normal eyeball Image is formed in front of the retina Also know as short sighted

What is cataracts?

Clouding of the lens usually associated with ageing

What is astigmatism?

Misshapen cornea causing objects to appear irregular shaped

What is glaucoma?

Build up in the pressure of the fluid within the eye which can cause damage to the optic nerve and even blindness

What is migraine?

Severe headache that can cause visual disturbance

Name the parts of the ear

Outer ear Inner ear Middle ear

Fucntion of outer ear

Directs sound down the auditory canal

Function of middle ear

Transmit vibrations from the eardrum to the inner ear Protect the ear from sounds above 80db reducing the notice level up to 20db Usually filled with air

Function of inner ear

Vibrations detected cause neural impulses transmitted to the brain Filled with fluid

How many types of attention are there? What are they?

Selective Divided Sustained Focused

What is selective attention?

Occurs when a person is monitoring several sources of input ,with greater attention being given to one or more sources which appear more important

What is decided attention?

Common in most work situations | People are required to do more than one thing at the same time

What is sustained attention?

Maintain attention and remain alert for over periods of time ,often on one task

What is focused attention?

The skill of focusing one's attention upon a single source and avoid distraction

What is perception?

Organization and interpretation of sensory data in order to make it meaningful ,discarding non relevant data Process of assembling sensations into a useable mental representation of the world

What is decision making?

Alternative courses of action based on information,knowledge,prior experience,expectations ,content,goals Also described as thinking,problem solving and judgement

What is memory?

The ability to act consistently and to learn new things Considered to be the storage and retention of info,experiences and knowledge as well as ability to retrieve this information

How many types of memory are there?what are they?

Ultra short term memory Short term memory Long term memory

What is social loafing?

Work less hard on a task when they believe others are working at

Maslow's hierarchy of needs

``` Physiological needs Safety needs Love and belongingness Esteem needs Cognitive needs Aesthetic needs Self actualization ```

What is peer pressure?

Actual or perceived pressure which an individual may feel ,to conform to what he believes that his peers expect

What is conformity?

The tendency to allow ones's opinion ,attitudes,actions and even perceptions to be affected by prevailing opinions,attitudes and perceptions

What is organizational culture?

"The way we do things here" | It is a group or company norm

Important elements of team working

Communication Cooperation Coordination Mutual support

What is stress?

Defined as force,that when applied to a system,causes some significant modification of its form,where forces can be physical,physiological or due to social pressure

Signs of stress can be categorized into 5 categories. What are they?

``` Physiological symptoms Health effects Behavior symptoms Cognitive symptoms Subjective symptoms ```

Some ways to manage stress

Relaxation techniques Careful relegation of sleep A regime of regular exercise Counseling

Five basic requirements of a hazards-communication program..

``` Msds Written program Inventory Labeling Training ```

Name the types of extinguisher

Foam extinguisher Air-pressurized water (APW) extinguisher Bromochlorodifloromethane (BCF) extinguisher Carbon dioxide (C02) extinguisher Dry Chemical extinguisher

``` Hazardous material are typically grouped into? A) Two categories B) five categories C) four categories D) three categories ```

``` Which of the following is not a class of a chemical agent? A) reactive B) abrasive C) corrosive D) flammable ```

``` Flammables are also known as A) fire B) heAt C) flame D) combustible ```

``` Container for the chemical agent needed to be A) fireproof B) grounded C) covered at all times D) made of good quality plastics ```

``` Strong acids are mostly found in a form of A) gas B) solid C) liquid D) vapor ```

``` Corrosive materials are materials that can react with metallic surfaces and cause A) lost of leg B) lost of finger C) itching of the skin D) burning of the skin ```

``` Flammable toxins & corrosive materials should be stored A) separately B) in close contact C) in the same container D) together in a cool place ```

``` Toxins are generally defined as any substance that can cause a/an A) fire B) illness C) pollution D) corrosion ```

``` Water reactive materials such as lithium reacts with water and form hydrogen gases that are very A) toxic B) abrasive C) explosive D) corrosion ```

Physical hazard are those to which the aviation maintenance technician is exposed to that are usually caused by the A) physical condition of the technician or equipment B) positioning of some type of equipment in the hanger C) use of some type of equipment that can be controlled by the technician D) use of some type of equipment not directly controllable by the technician

``` Biological hazards are living organism that may cause A) fire B) disease C) pollution D) explosion ```

``` FAA regulation requires that the transportation of biological hazardous materials must be A) fly in a special flight B) properly documented C) stored in a special container D) guarded by a a specialize personnel ```

``` The hazardous communication standard is established by A) FAA B) CAAS C) NASA D) OSHA ```

``` Msds is also know as A) material safety data sheets B) metal servicing data sheets C) manufacturer safety data sheets D) manufacturer standard data sheets ```

``` When using the hazardous materials, we must also be conscious of the hazards as well as A) selling them B) storing them C) buying them D) disposing them ```

Human factor is the science whose goals are to identify ,then describe ,predict and control the performance so as to A) improve the flying hours of an aircraft B) maximize the flying hours of an aircraft C) improve the man hours relating to the aircraft D) optimize the relationship in human-machine systems

``` What are designed to trap both latent and active failures in order to break the chain of events leading to incidents and accidents ? A) technician ideals B) manufacturer decisions C) safety measures and defenses D) management policies and ideals ```

``` A regulation ,policy , practice or procedure which ,if out in place , may break in link in the chain if events leading to maintenance error bring committed is known as A) safety net B ) protective statement C)management policies D) rules do the work section ```

``` According to human factor experts ,how many types of verbal communication are there? A) 2 B) 3 C)4 D)5 ```

``` Communication is defined as the exchange of A)tool B) speech C) language D) information ```

``` Which one of the following is needed for a good communication? A) trust B) proper language C) good hand signal D) proper eye contact ```

``` Which one if the following is not the critical element that is essential for team work? A) common goal B) trust and respect C) common language D) effective communication ```

``` Complacency is an ever - present danger in many aviation maintenance works because of the A) High stresses B) repetitive nature C) long working hours D) complexity of the job ```

``` Psychologist have identified distraction as the number one cause of A) illness B) stresses C) forgetting D) complacency ```

``` The unwritten rules and behavior that the group practice is known as A) trust B) norms C) teamwork D) safety net ```

``` For combustion to take place , which of the following items must be present A) heat B) oxygen and heat C) oxygen and material D) oxygen heat and material ```

``` The most common type if tire is A) class a B) class b C) class c D) class d ```

``` Liquid fire cannot be put out by A) foam B) light water C) dry chemical D) carbon dioxide ```

``` Which type of fire extinguisher cannot be used for engine fire? A) water B) dry powder C) dry chemical D) carbon dioxide ```

``` Fatigue is the bodies normal reaction to a physical or mental stress in A) night shift B) normal shift C) short duration D) prolonged duration ```

What is the warning sign that a person has stress? A) sweaty or cold hands B) do not experience severe headaches C) do not have anxiety ,poor concentration and memory loss D) no breathing difficulties are experienced during the night or day

What is the safety net for pressure ? A) be yourself B) stop and access the situation C) try not to speak up as to avoid any misunderstanding D) not require looking into the matter and continue to work

``` There are three types of verbal communication we use , namely the verbal type , tone of the voice and A) experiment B) reading type C) body language D) study case studies ```

``` How do we tackle stress problems? A) to be alone B) remain silent C) think rationally and positively D) try not to do cany exercise as it will stress your body ```

``` Combustion may be defined as a chemical reaction or a series of reaction accompanied by evolution of A) air and light B) air and heat C) heat and light D) hear and metal ```

``` In the classification of fires , there are basically A) 3 types of fire B) 4types of fire C) 5 types of fire D) 6 types of fire ```

``` How many types of extinguisher are there? A) 2 B) 3 C) 4 D ) 5 ```

``` The lowering down of heat of fire by dousing it with water until it's temperature falls below the ignition temperature of the fire is know as A) cooling B) starving C) controlling D) smothering ```

``` Class d fires are known as A) solid fires B) liquid fires C) metal fires D) electrical fires ```

``` Class c fires are also known as A) solid fires B) liquid fires C) metal fires D) electrical fires ```

``` There are 3 types of flammable liquids we use in aviation,namely the aircraft fuel,lubricants and A) paints B) thinners C) kerosene D) hydraulic oil ```

``` Oil and grease must not be used on oxygen equipment because If the rusk if A) gasing B) leaking C) explosion D) contamination ```

``` What is not permitted in the vicinity of aircraft ,hangers ,fuel ,installations ,or explosives areas? A) eating B) running C) drinking D) smoking ```

``` Which one if the following classified as class 3 HAZMAT? A) explosive B) toxic gas C) flammable solid D) flammable liquid ```

``` After removing the aircraft pipe,what should we do with fuel that flows out from the pipe ? A) leave it B) install sign again C) inform your superior D) use rag or mop to wipe it immediately ```

Which one of the following is not an effect of noise hazard ? A) physiological effect B) fatigue during work C) physiological effect D) interference with speech communications

``` When one of the following can be used as insulation material when breaking free casualty from an electric shock ? A) pots and pans B) metal cabinet C) wooden box D) paper ```

``` Which one of the following should be worn when entering an x ray room for x ray operation? A) cap B) gloves C) safety shoes D) radiation monitor badge ```

``` Which one of the following PPE should we use when doing welding? A) earmuff B) safety helmet only C) safety clear lens glasses D) safety helmet with dark lens glasses ```

``` Which one of the following burns is caused by sun rays? A) dry burn B) cold burn C) chemical burn D) radiation burn ```

``` An msds is decided into 9 sections. What does section III mean ? A) physical data B) reactivity data C) product identification D) fire and explosion data ```

``` What is the color of the fire hazard diamond? A) blue B) red C) withe D) yellow ```

When refueling an aircraft ,the technician must ensure that A) fuel truck's rank is full B) fuel truck is grounded C) fuel is transfer to tank safely D) both aircraft and fuel truck are grounded

``` What is FOD? A) foreign object debris B) foreign object damage C) foreigner object debris D) foreigner object damage ```

Which one of the following is true when handling corrosive material? A) add water to acid to dilute B) only eye protection us needed C) acids and bases must be store together D) storage container must be of corrosive resistant

``` OSHA's hazardous communication standard label is typically divided into how many sections? A) 1 B)2 C) 3 D) 4 ```

Define Murphy's law A) if there's a right way to do it ,that's the way,it will be done B) if there's a right way to do it ,there's no way it will be done C) if there's a wrong way to do it ,there's no way it will be done D) if there's a wrong way to do it ,that's the way , it will be done

``` What are three factors that can cause combustion to take place? A) heat,fuel and oxygen B) argon ,heat and oxygen C) fuel ,oxygen and nitrogen D) carbon dioxide ,heat and fuel ```

``` Which one of the following fire extinguisher is use to extinguish class a fire? A) foam B) water C) dry powder D) carbon dioxide ```

``` Which are the three method of fire extinction? A) starvation ,cooling,watering B) starvation , smothering ,cooling C) starvation , smothering , heating D) smothering ,cooling , feeding ```

``` Which one of the following fire extinguishers is suitable fir fighting class a,b and c fire? A) soda B) water C) dry powder D) carbon dioxide ```

``` How many types of fire classification are there? A) 4 B) 5 C) 6 D) 7 ```

``` Removing combustible material from the neighborhood of the fire is an example of which method of fire extinction ? A) cooling B) heating C) starvation D) smothering ```

``` Paint is classified under which type of fire? A) class a B) class b C) class c D) class d ```

``` Dry chemical fire extinguishers are capable if controlling A) class a & b fire B) class a & d fire C) class b & c fire D) class c & d fire ```

``` Which one of the following type if fire extinguisher is in black color? A) foam type B) water filled type C) dry chemical type D) carbon dioxide type ```

``` Which type if fire extinguishers is most appropriate for class d fires ? A) foam type B) water filled type C) dry chemical type D) carbon dioxide type ```

``` Which if the following is not suitable for petroleum fire? A) water B) dry powder C) dry chemical D) carbon dioxide ```

Which one of the following describes the cooling method of fire extinction? A) removing the fuel from the fire B) reducing the supply of oxygen to the fuel C) removing both fuel and heat from from the fire D) lower heat temperature below the ignition temperature if fuel

``` What does ms stand for ? A) maintenance standard B) machine specifications C) maintenance system D) military specification ```

``` Which type of gloves is suitable for handling oil grease covered components or materials ? A) cotton B) rubber C) leather D) asbestos ```

``` What is the PPE we should use when dealing with corrosive /chemical acid? A) safety harness B) cotton gloves C) leather palm gloves D) chemical resistant gloves ```

Which is the most hazardous environment when working in the workshop? A) a crowded workshop B) an oily workshop floor C) that there are too many machines D) that there are too many fitting benches

When we deal with any removing of avionics parts, which is the most important step that we must take to observe ? A) make sure nobody is around you when you are working with the avionics B) Make sure you are away 5 meter from the aircraft C) make sure you switch off the power D) make sure you are alone

When working with radiation especially when checking aircraft part fir crack using x ray method make sure A) the inspector wears a bump cap B) the inspector wears radiation watch C) the inspector wear chef apron D) the inspector wears a radiation monitor badge

When a technician encounters minor burn on his skin, what is the most appropriate treatment ? A) apply alcohol B) apply toothpaste C) apply medical cream only D) apply medical cream and bandage the affected burn area

``` An msds is divided into 9 parts and section 1 describe as ? A) fire and explosive data B) hazardous ingredients C) product indentification D) reactivity data ```

``` When troubleshooting electrical wire on the aircraft , one must ensure that the hands are A)oily B)bare C) wetted D) protected by safety gloves ```

Which one if the following precautions is not a safety measure when handling gas cylinder welding ? A) close the cylinder valve fully B) tighten air regulator in the cylinder after wielding C) move the gas cylinder by rolling it with edge of the base touching the floor D) hand tight the gauges while opening cylinder valve

``` Solid fire is classified under A) class a B) class b C) class c D) class d ```

``` Which of the following fire extinguishers is most suitable fir fighting class b fire ? A) oxygen B) water C) dry powder D) carbon dioxide ```

Human Factor Flashcards

(161 cards)