2074550
Descripción
Test por Andrew Hewko, actualizado hace más de 1 año
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Creado por Andrew Hewko
hace casi 10 años
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Pregunta 1
Pregunta
Burns can be caused by ultraviolet light rays.
Respuesta
- True
- False
Pregunta 2
Pregunta
To treat a third degree burn, apply ointments or antibiotic cream.
Respuesta
- True
- False
Pregunta 3
Pregunta
Any cold liquid you can drink can be poured on a first or second degree burn.
Respuesta
- True
- False
Pregunta 4
Pregunta
Too much visible light can cause temporary night blindness.
Respuesta
- True
- False
Pregunta 5
Pregunta
Both earmuffs and earplugs protect the outer ear from burns.
Respuesta
- True
- False
Pregunta 6
Pregunta
Damage to your hearing caused by high sound levels is permanent and may not be detected until later in life.
Respuesta
- True
- False
Pregunta 7
Pregunta
Welding and cutting lead bearing alloys or metals whose surface have been painted with lead based paint can generate lead oxide fumes.
Respuesta
- True
- False
Pregunta 8
Pregunta
The welding area should be ventilated and forced ventilation is best, but natural ventilation is sometimes required.
Respuesta
- True
- False
Pregunta 9
Pregunta
Scrap metal and electrode stubs are difficult and costly to recycle.
Respuesta
- True
- False
Pregunta 10
Pregunta
When using extension cords on portable power tools, the size of the conductors must be small enough to enable a drop in voltage.
Respuesta
- True
- False
Pregunta 11
Pregunta
To treat a third degree burn ________.
Respuesta
-
apply ointments or antiseptic spray
-
remove all clothing stuck to the burn
-
cover the burn with thick sterile, non fluffy dressing
-
pour iced water on the burn
Pregunta 12
Pregunta
________ light is dangerous because the welder cannot feel the light while being exposed to it, and it may pass though clothing.
Respuesta
-
Ultraviolet
-
Infrared
-
Visible
-
Spectral
Pregunta 13
Pregunta
_______ Light can cause temporary night blindness.
Respuesta
-
Ultraviolet
-
Infrared
-
Visible
-
Spectral
Pregunta 14
Pregunta
The symptoms of lead poisoning include ________.
Respuesta
-
influenza
-
lung irritation and kidney damage
-
abdominal cramps and lung irritation
-
metallic taste, loss of appetite, nausea, abdominal cramps, and insomnia
Pregunta 15
Pregunta
The symptom of acute exposure to zinc oxide fumes include ________.
Respuesta
-
loss of appetite
-
lung irritation
-
abdominal cramps
-
insomnia
Pregunta 16
Pregunta
The symptoms of exposure to zinc oxide fumes include _______.
Respuesta
-
influenza symptoms
-
lung irritation and kidney damage
-
abdominal cramps ad lung irritation
-
metallic taste, loss of appetite, nausea, abdominal cramps, and insomnia
Pregunta 17
Pregunta
_________ is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations.
Respuesta
-
Argon
-
Phosgene
-
Ozone
-
Carbon dioxide
Pregunta 18
Pregunta
Acetylene cylinders that have been lying on their sides must stand upright for at least _____ hours before they are used.
Respuesta
-
two
-
three
-
four
-
five
Pregunta 19
Pregunta
_____ fire extinguishers are used for combustible solids.
Respuesta
-
Type A
-
Type B
-
Type C
-
Type D
Pregunta 20
Pregunta
______ fire extinguishers are used for combustible metals such as zinc and magnesium.
Respuesta
-
Type A
-
Type B
-
Type C
-
Type D
Pregunta 21
Pregunta
If a nut or bolt is too tight to loosen with a wrench, _______.
Respuesta
-
use a cheater bar
-
use a longer wrench
-
use a smaller wrench
-
cut the nut or bolt off
Pregunta 22
Pregunta
Welding cable must be spliced ______ the electrode holder.
Respuesta
-
within 10 feet of
-
more than 10 feet away from
-
within 20 feet of
-
more than 20 feet away from
Pregunta 23
Pregunta
To test a grinding stone for cracks ______.
Respuesta
-
tap the stone in four places and listen for a ring
-
visually inspect the stone
-
shine a light under the stone
-
wet the stone and look for bubbles
Pregunta 24
Pregunta
______ are usually either hydraulic or flywheel operated.
Respuesta
-
Cut-off machines
-
Shears
-
Power punches
-
Band saws
Pregunta 25
Pregunta
The base of a ladder should be set out a distance equal to ______ the height to the point of support.
Respuesta
-
one-fourth of
-
half of
-
one and a half times
-
twice
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