Line A Flashcards
if your workspace was deemed safe yesterday, it is safe today
false
An unshored trench must be sloped flatter than which of the following?
1) 90 degrees.
2) The excavator.
3) The angle of repose.
4) The hydraulic shoring used.
3
a confined space is safe for human occupation
false
What happens when a worker carries an object that changes the worker’s centre of
gravity?
1) The body reacts in a different way making falls more likely.
2) The body is more grounded, making trips and fall less likely.
3) The worker compensates and ensures their mobility remains the same
4) The extra weight increases traction, giving the worker a more dependable
stance.
1
up to 50% of body heat loss can occur in the head
true
Which of the following represents the lowest amperage at which electric shock can
be fatal?
1) 50 mA
2) 5 A
3) 50 A
4) 500 A
1
what is the best and simplest solution to avoid slips, trips and falls
proper housekeeping
Which of the following best defines the term “angle of repose”?
1) The watchful eye of the site superintendent.
2) A slope with a rise of three units and a run of four units.
3) The natural slope formed when excavated material is piled.
4) The distance from the edge of a trench box to the edge of the trench.
3
which of the following is termed a “heavy metal”
- mercury
- asbestos
- forged steel
- ultraviolet radiation
1
Carpal tunnel syndrome is a result of what activity or incident?
1) A sharp blow to the hand or wrist.
2) A traumatic event that occurs in mining.
3) Repeated movement resulting in a nerve pinched in the wrist.
4) Using your hand to perform a task that should be done with a tool.
3
even very short exposure to loud noises can permanently damage your hearing
true
cadmium is a heavy metal and is considered very toxic
true
always short circuit a nicad battery before charging
false
which of the following best describes volatility in flammable liquids
- volatility and flammability are not related
- the more volatile a liquid is, the less flammable it is
- the more volatile a liquid is, the more flammable it is
- the more flammable the liquid is, the les volatile it is
3
What are the best defences against potential hazards associated with a confined
space?
1) The buddy system.
2) Preparation and testing.
3) Well-constructed health and safety regulations.
4) Having a couple rescuers on hand ready to jump in and save the worker.
2
flammable liquids do not actually burn until they have changed into a state of vapour
true
What is the definition of proximity work
1) Work that is performed next to the lunch room.
2) Work that must be separate from all other work-
3) Any work done on the outside edge of a work-site.
4) Work that is performed in the same area as an unrelated hazard.
4
an electrical cord that is frayed should be patched up with pvc tape before being used
false
what standards ratings should all power tools have
ulc, csa
If you are asked to work with a tool you are unfamiliar with, what steps should you
take?
1) Trial and error.
2) Ask a co-worker to perform the task for you.
3) Leave the tool alone and proceed with another task.
4) Read the user’s manual and inform your foreman that you need instruction,
4
housekeeping is a part of your job, is your responsibility and is one of your important daily tasks
true
what is the purpose of the u-ground prong found on a power cord
it is connected to the ground to protect the user
which of these actions is an important part of safety and accident prevention
- reporting violence
- good housekeeping skills
- staying away from all hazards
- locking up unused tools and equipment
2
when working in a shop which of the following should you familiarize yourself with
- location of fire alarm pull-station
- location and class of fire extinguishers
- fire drill procedures and muster points
- all of the above
4