SMAW One Flashcards
Temporary blindness is caused by the eyes being exposed to high concentrations of: A) red light B) yellow light C) green light D) visible light
D) visible light
Who is responsible for the personal safety of everyone in the shop?
A) shop foreman
B) plant superintendent
C) individual worker
D) Alberta occupational health & safety
C) individual worker
Exposure to infrared light while cutting without proper eye protection can cause:
A) sunburn
B) arc flash
C) retina damage
D) temporary blindness
C) retina damage
Permanent eye damage in the form of cataracts may result from over exposure to which harmful light ray?
A) visible
B) infrared
C) ultraviolet light
D) reflected
B) infrared
Which type of radiant energy can cause welding flash?
A) visible light
B) infrared light
C) ultraviolet light
D) gamma rays
C) ultraviolet light
What must be done where the general public is exposed to harmful welding rays?
A) put up proper screens and warning signs
B) let people look out for themselves
C) weld only when no one is around
D) avoid the use of a long arc length
A) put up proper screens and warning signs
What should you do if you receive a major contact burn?
A) immediately rub the affected area with antibiotic creme
B) seek professional medical attention at the end of your work shift
C) immediately cool the burned area by immersing in cool, still water
D) immediately place the burned area under a fast-running warm water tap
C) immediately cool the burned area by immersing in cool, still water
One of the most common work hazards is:
A) heavy weights
B) high noise levels
C) other workers
D) poisonous gases
B) high noise levels
Which operation could create a noise level resulting in permanent hearing damage?
A) air arc gouging
B) pneumatic chipping operations
C) grinding
D) any of the above operations
D) any of the above operations
Hearing protection should be worn when the noise level is above:
A) 65 decibels
B) 85 decibels
C) 115 decibels
D) 135 decibels
B) 85 decibels
The noise level of conversational speech is approximately:
A) 35 decibels
B) 45 decibels
C) 65 decibels
D) 85 decibels
C) 65 decibels
What type of head protection is recommended for grinding operations?
A) full- face visor
B) safety glasses with side shields
C) welding goggles
D) photoelectric welding helmet
A) full- face visor
What should you wear for eye protection while oxyfuel cutting?
A) flash goggles and a clear face shield
B) a welding helmet with a clear lens
C) safety glasses with #2 shade
D) safety glasses and cutting goggles
D) safety glasses and cutting goggles
What shade of filter plate is recommended for most low to medium amperage SMAW operations?
A) 5 or 6
B) 8 or 9
C) 10 or 11
D) 12 or over
C) 10 or 11
Why should you place a gasket between the outside clear plate and the filter plate in your welding helmet?
A) so the filter plate does not get covered with smoke
B) it helps remove excess heat from the helmet
C) to help fill up the space in the flip up part of the helmet
D) to help prevent heat cracking of the filter plate
D) to help prevent heat cracking of the filter plate
Which type of material offers the best protection against sparks and molten slag?
A) leather
B) wool
C) nylon
D) cotton
A) leather
What type of gloves are recommended for oxyfuel cutting?
A) hard twist cotton
B) silicon-treated nylon
C) dry-tanned gauntlet style
D oil-treated cowhide with external cotton stitching
C) dry-tanned gauntlet style
A class C. Fire involves:
A) combustible metals
B) electrical equipment
C) flammable liquids
D) household combustibles
B) electrical equipment
A carbon dioxide fire extinguisher is best suited for:
A) a class A fire B) a class D fire C) wood or paper fires D) a class B or C fire
D) a class B or C fire
A class D fire involves:
A) wood & paper
B) oil or grease
C) flammable hydrocarbon vapours
D) combustible metals
D) combustible metals
What type of fire can be extinguished with water?
A) class A B) class B C) class C D) class D
A) class A
What must be done prior to welding or cutting operation being performed in an area not normally designed for this type of work?
A) spray all combustibles with water
B) protect or remove all combustibles
C) cover up the entire floor area
D) install high-flow ventilating fans
B) protect or remove all combustibles
Concrete floors should be protected from concentrations of hot slag because:
A) the slag build-up on the cement presents a tripping hazard
B) it is difficult to remove the slag from the floor
C) the floor may become a conductor of electricity from the slag
D) hot slag can cause the surface of the cement to explode, creating a personal injury hazard
D) hot slag can cause the surface of the cement to explode, creating a personal injury hazard
When welding on metals plated with cadmium:
A) use fully deoxidized filler metal to avoid porosity
B) appropriate respiratory protective equipment should be used
C) general mechanical ventilation is adequate provided there are four complete air changes per hour
D) a dust filter mask should be worn
B) appropriate respiratory protective equipment should be used