safe Flashcards
Name the four main areas under which hazards are classified
1) o
Biological, Chemical, Ergonomic, Physical
2)
Animal, Chemical, Physical, Mechanical
3)
Microscopic, Chemical, Airborne, Ergonomic
4)
Biological, Microscopic, Physical, Chemical
A tool that is not working properly and not taken out of service would be classified as what type of hazard?
1)
biological.
2)
chemical.
3)
ergonomic.
4)o
physical.
The hazard classification that best describes back injuries due to a poor fit between you and your work environment is
1)
biological.
2)
chemical.
3)o
ergonomic.
4)
physical.
Hydrogen sulphide gas (H2S), found in oil and gas wells in concentrations as low as 0.07% (700 ppm), may cause:
1)
an uncomfortable rotten egg smell.
2)o
unconsciousness and death.
3)
an explosion.
4)
burning of the eyes and throat.
Before entering a vessel to make repairs, a plumber should insist on testing the vessel for:
1)
leaks in the vessel and piping system.
2)o
fumes and oxygen deficiency.
3)
corrosion or erosion tolerances.
4)
blockages in ventilation systems.
What is the minimum amount of oxygen needed in the atmosphere to sustain fire?
1)
25%
2)
21%
3)o
16%
4)
11%
A 4A ULC rated extinguisher can extinguish a fire that is how much larger than the base amount?
1)
2 times
2)o
4 times
3)
8 times
4)
16 times
What must take place in solids and liquids before burning can occur (before the fuel can ignite into flames)?
1)
Nothing is needed; the surface of the fuel burns.
2)
The temperature at the middle of the fuel must be raised.
3)
The airflow around the fuel must be increased.
4)o
Vaporization of the surface must take place.
What is the primary safety feature of an industrial plant site?
1)
employee water pails
2)
fire alarm system
3)o
automatic sprinkler system
4)
portable fire extinguishers
When is it safe to enter the building after a fire?
1)
as soon as the fire department leaves
2)o
when the all-clear signal is given
3)
when the fire alarm is reactivated
4)
when the work area is dry and clean
When are you ineligible for compensation as the result of an accident? Workers’ Compensation Act Section 19(1)(a)
1)o
if the injury is attributable primary to your serious and wilful misconduct
2)
if the accident occurred during the course of your employment
3)
if the accident happens outside of Alberta and you reside in Alberta
4)
if you file a claim later than one month after the date of the accident
If an accident disables you for part of a day, how much regular salary do you receive? Workers’ Compensation Act Section 20(1)
1)
none
2)
half day
3)o
full day
4)
the hours you worked
If you are an apprentice and are entitled to Workers’ compensation because of an accident, how much compensation will you receive? Workers’ Compensation Act Section 62(2)
1)
an amount based on your year of apprenticeship, that does not change
2)
an amount based on your company’s first year apprenticeship rate, that does not change
3)
an amount that the Board deems to be adequate for people in your trade
4)o
an amount that may be adjusted during the time you have become qualified in your trade
Above what height must an employer have a guardrail erected for a temporary work area?
1)
2. 4 metres
2) o
3. 0 metres
3)
3. 5 metres
4)
4. 2 metres
A load on a scaffold must not exceed what percent of the designed load for the scaffold?
1)
50%
2)
35%
3)o
25%
4)
20%
A scaffold plank must be constructed of number one grade lumber of what minimum size?
1)
51 by 102 mm (2” by 4”)
2)
51 by 153 mm (2” by 6”)
3)
25 by 254 mm (1” by 10”)
4)o
51 by 254 mm (2” by 10”)
According to Handi Guide 136(b), the base of an inclined ladder shall be no further away from the base of a wall than:
1)
one metre out for every two metres of vertical height.
2)
one half the total length of the ladder.
3)o
one quarter of the vertical height where the ladder contacts the wall.
4)
one third of the vertical height of the supporting wall.
According to Handi Guide 171(b), the employer shall ensure that cylinders containing acetylene are:
1)o
secured in a vertical position.
2)
identified using a designated colour code.
3)
leak tested at least once every two years.
4)
equipped with fusible plugs on the top and bottom of the cylinder
The side rails of every ladder shall extend what minimum distance above any platform or landing?
1)
1 foot / .304 meters
2)
2 feet/.609 meters
3)o
3 feet/ 1 meter
4)
4 feet/1.219 meters
4m high roof how far does a ladder need to be away from building?
1m oooooo
2m
3m
4m
At what height must guardrails be installed on scaffold platforms?
1)
Guardrails should be not less than 1 nor more than 3 metres
2)
Guardrails should be not less than 2 nor more than 5 metres
3)
Guardrails should be not less than 3 nor more than 6 metres
4)o
Guardrails should be not less than 0.92 nor more than 1.07 metres
If platforms are a specified height, a toe-board must be installed when there may be workers
below. What is the platform height that requires toe-boards to be installed?
1)oo
Where it is possible for materials to fall more than 1.8 metres or 3.5 meters from a temporary
platform.
2)
Where it is possible for materials to fall more than 2 metres or 4 meters from a temporary
platform.
3)
Where it is possible for materials to fall more than 1 metres or 3 meters from a temporary
platform.
4)
Where it is possible for materials to fall more than 3 metres or 5 meters from a temporary
platform.
What is the minimum distance from the edge of the trench that the material removed from an excavation (spoil pile) must be kept?
1)
1. 64 ft of .5 meter
2) oo
3. 28 ft or 1 meter
3)
6. 56 feet or 2 meters
4)
9. 84 feet or 3 meters
On hard compact soil, trenches must be cut back _____ degrees from vertical.
1)
10
2)
20
3)o
30
4)
45
On all other soils, it must be cut back _____ degrees from the vertical.
1)
10
2)
20
3)
30
4)oo
45
When is it necessary to install guardrails around the perimeter of the roof?
1)
Where it is possible for a worker to fall a vertical distance greater than 1 metre from a
temporary work area or 1 metres from a permanent work area.
2)
Where it is possible for a worker to fall a vertical distance greater than 2 metres from a
temporary work area or 2 metres from a permanent work area.
3)o
Where it is possible for a worker to fall a vertical distance greater than 3.5 metres from a
temporary work area or 1.2 metres from a permanent work area.
4)
Where it is possible for a worker to fall a vertical distance greater than 3 metres from a
temporary work area or 2 metres from a permanent work area.
Is it possible for workmen to remain on scaffolds while they are being moved if The height of the work platform does not exceed twice the shortest base dimension and the surface over which it will travel is firm, level and free of hazards that may cause the scaffold to topple.
1) True ooo
2) False
