Working at Heights overview

Working at Heights Mock Exam 1

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  • 40 questions
  • untimed
  • Pass mark 30/40
0/40
Mock exam 1 · Question 10 answered

Who needs to understand emergency procedures for falls on a project?

All 40 questions in this test

Every question and its answer choices. The correct answers and explanations appear when you take the test above.

  1. Who needs to understand emergency procedures for falls on a project?

    1. Only the project owner
    2. Only the first aid attendant on site
    3. Employers, supervisors and workers
    4. Only the safety inspector
  2. When must a permanent anchor system be used as the fixed support?

    1. Whenever the worker prefers it to any temporary anchor on site
    2. When installed to the Building Code and safe and practical to use
    3. Only on buildings that are more than 20 storeys tall
    4. Never; temporary anchors are always required instead
  3. When must rescue procedures be in place relative to using fall arrest?

    1. At the end of the project
    2. Within a week after the first use on site
    3. Before any use of the fall arrest system
    4. Only after a worker actually falls
  4. Which working at heights module may be taken by eLearning or live distance learning?

    1. Only the Basic Theory module
    2. Both modules, entirely online
    3. Neither module, ever
    4. Only the Practical module
  5. A ladder is used to reach a roof. How far must it extend above the landing?

    1. At least 3 metres
    2. At least 150 millimetres
    3. It should stop below it
    4. At least 900 millimetres
  6. What must the design of a horizontal lifeline system state?

    1. The price the constructor paid for the system's parts
    2. The colour of the rope and the brand of the anchors, nothing more
    3. The names of the workers who used it on the last project
    4. How many workers can safely be attached, among other details
  7. What does the 4-to-1 rule for ladder set-up mean?

    1. Use 4 rungs for every 1 metre of the ladder's height
    2. For every 4 units up, the base is 1 unit out from the wall
    3. Inspect the ladder every 4 days, 1 time per shift
    4. For every 4 workers on site, only 1 may climb at any one time
  8. Falling onto rebar or another hazardous object is covered by s. 26 at what height?

    1. Only above 6 m
    2. At any height
    3. Only below 1 m
    4. Only above 3 m
  9. On a built-up roof being constructed or resurfaced, where must a barrier be placed?

    1. Right at the roof edge, touching the parapet wall
    2. Nowhere; barriers are not used on roofs
    3. In the work area, at least 2 m from the roof perimeter
    4. At ground level around the building's base
  10. Using a scaffold with guardrails instead of a ladder for a long overhead job is an example of what?

    1. Ignoring the hierarchy of controls
    2. Using PPE as the very first line of defence
    3. Choosing a higher-level control from the hierarchy
    4. An administrative rule about ladders
  11. How many people may use one lanyard at a time?

    1. Two
    2. Any number
    3. Three
    4. One
  12. What does three-point contact on a ladder mean?

    1. Two hands and a foot, or two feet and a hand, on the ladder
    2. Three workers holding the ladder steady at all times below
    3. Three rungs between each step you take going up or down
    4. Three ties fastening the ladder to the structure
  13. Which duty belongs to the employer for work at heights?

    1. Inspecting each worker's harness personally every hour
    2. Deciding which worker rights apply on a particular day
    3. Providing fall protection equipment in good condition
    4. Buying each worker's personal tools and work boots every year
  14. Besides approved working at heights training, what does O. Reg. 213/91 require before a worker uses a fall protection system?

    1. A signed waiver releasing the employer from any responsibility
    2. A second approved program from a different provider
    3. A doctor's note confirming the worker is not afraid of heights at all
    4. Training in its use, with oral and written instructions
  15. An employer threatens to fire a worker for asking for a harness. What does the OHSA say?

    1. This is a prohibited reprisal
    2. It is allowed if done in writing
    3. It is allowed on small sites
    4. It is allowed during probation
  16. How long is approved working at heights training valid?

    1. Three years from successful completion
    2. For the worker's whole career
    3. Five years from completion
    4. One year from the completion date
  17. Where a worker may drown, where must the rescue equipment be kept?

    1. In the supplier's warehouse until needed
    2. Locked in the head office across town
    3. At the nearest public marina only
    4. In a suitable location on or near the project
  18. Under Ontario's construction regulation, what is the first required method of protecting a worker from a fall?

    1. A safety net
    2. A warning sign
    3. A guardrail system
    4. A fall arrest system
  19. Who must inspect and test a safety net before it is put in service?

    1. An engineer, or a competent person under an engineer
    2. Any worker who will be working above the net that day
    3. The supplier's sales staff when the net is delivered
    4. Nobody, if the net was used on a previous project
  20. By about how much can a personal shock absorber lengthen a lanyard during a fall?

    1. About 1 centimetre
    2. Up to about 1.2 metres
    3. About 5 metres
    4. It never changes length
  21. What is a common cause of fall injuries from ladders identified in working at heights training?

    1. Climbing with clean, dry, laced boots
    2. Keeping three points of contact
    3. Overreaching or missing the last step
    4. Facing the ladder when climbing
  22. What should be done with the free end of a lanyard or lifeline?

    1. Let it hang into the machine
    2. Wrap it around a hot pipe
    3. Keep it clear of equipment and machinery
    4. Tie it to a moving conveyor for support
  23. At what fall height is a guardrail required at the open edge of a floor, bridge or scaffold platform?

    1. 0.6 metres or more
    2. 2.4 metres or more
    3. 5 metres or more
    4. 10 metres or more
  24. What does working at heights training teach about lifelines in use?

    1. How to protect them from damage while working
    2. How to tie extra knots for grip
    3. How to share one with a partner
    4. How to splice two lifelines together on site
  25. What does a fall arrest system do?

    1. Prevents the worker from reaching the edge
    2. Warns the worker before reaching the edge
    3. Lowers the material instead of the worker
    4. Stops a worker's fall once it has started
  26. Besides approved training, what must every worker who works at heights on a construction project receive?

    1. Site-specific training from the employer
    2. A separate licence from the WSIB
    3. A certificate from the city building department
    4. A medical test for fear of heights
  27. What can result from using an inappropriate item as an anchor point?

    1. The lanyard becomes shorter and safer
    2. The anchor can fail and the worker can fall
    3. Nothing; any solid-looking item will work fine
    4. The harness will automatically tighten
  28. When must the alarm system at a project with a drowning hazard be activated?

    1. At the start of every single shift
    2. When a rescue operation is necessary
    3. Whenever it rains heavily
    4. Only during a fire drill
  29. Why is information and training on the site-specific rescue plan important?

    1. So workers know their role and can act fast if someone falls
    2. So workers can skip the approved working at heights program
    3. So the employer does not need any rescue equipment on site
    4. So the plan can be kept secret from the supervisors
  30. A worker is on a 2.5 m high scaffold platform with an open side. What protection does the regulation require?

    1. A safety belt only
    2. Nothing below 3 m
    3. A guardrail system
    4. A warning sign only
  31. Which information must the employer's working at heights training record include?

    1. The names of everyone else who took the class
    2. Worker's home address, age and blood type only
    3. The colour and size of the worker's own harness and lanyard
    4. Worker's name, provider, program name and completion date
  32. What is a fall restricting system?

    1. A sign that restricts entry to the roof during high winds and storms
    2. A net that restricts falling debris below a scaffold
    3. A rule that restricts the number of workers on a ladder
    4. A type of fall arrest system that limits a fall to a set distance
  33. What should guide the installation of a new anchor point?

    1. The manufacturer's recommendations and, if needed, an engineer
    2. The fastest way to attach it so work can begin right away
    3. Whatever tools happen to be in the truck that morning
    4. The worker's guess about what will probably hold their weight
  34. After it arrests a fall, what must a full body harness not do by itself?

    1. Support the worker's legs
    2. Hold the worker upright
    3. Release or further lower the worker
    4. Stay attached to the lanyard and anchor
  35. Which material may replace the intermediate rail of a guardrail?

    1. A painted line on the floor near the edge
    2. A row of traffic cones along the edge
    3. A single strand of plastic flagging tape
    4. Material that can withstand a 450 N point load
  36. What must a worker do with the fall protection equipment the employer requires?

    1. Use or wear it
    2. Store it in the truck
    3. Modify it to fit better
    4. Lend it to visitors
  37. What three parts must a guardrail system have?

    1. A handrail, a kick plate and a mesh roof
    2. Two posts, a chain and a hanging warning sign
    3. A top rail, a warning flag and a rope barrier
    4. A top rail, an intermediate rail and a toe board
  38. Why is a full body harness better than a safety belt in a fall?

    1. It removes the need for any anchor point
    2. It lets the worker fall a longer distance
    3. It is cheaper to buy and lighter to carry around
    4. It spreads the force over more of the body
  39. Which three rights do workers have when working at heights?

    1. The rights to skip training, ignore rules and leave early
    2. The rights to choose their own hours, tools and work partners
    3. The rights to inspect, fine and close the employer's business
    4. The rights to know, to participate and to refuse unsafe work
  40. When should a portable ladder be inspected?

    1. Only after someone has fallen
    2. Only once a year, by the supplier who sold it
    3. Only once, when it is first bought new
    4. Before each use, and after it is dropped

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