Working at Heights Mock Exam 2

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. Which components make up a fall arrest system under Ontario's regulation?

   1. A full body harness and a shock-absorbing lanyard
   2. A guardrail and a toe board at the edge
   3. A hard hat and a pair of steel-toed boots
   4. A safety belt and a rope tied in a simple knot

2. On an Ontario construction project, which workers must have approved working at heights training?

   1. Workers who may use fall protection such as a harness
   2. Only workers who are taller than average and climb ladders daily
   3. Every worker on the site, including office staff in the site trailer
   4. Only supervisors, who then explain the rules to their crews

3. Which grades of manufactured portable ladder may be used on an Ontario construction project?

   1. CSA Grade 1, 1A or 1AA
   2. Any ladder with a sticker
   3. Grade 2 farm ladders only
   4. CSA Grade 3 household only

4. Whom must the employer appoint as a supervisor on a project with work at heights?

   1. The newest worker
   2. Any volunteer
   3. A competent person
   4. A relative of the owner

5. How must a horizontal lifeline system be installed and maintained?

   1. According to the engineer's design
   2. According to a co-worker's memory
   3. However the crew finds fastest
   4. Only as the supplier's ad suggests

6. A worker is 1 metre above operating machinery. Do the fall protection rules apply?

   1. No; the rules only start at 3 metres in every single case
   2. Yes; a fall into operating machinery is covered at any height
   3. Only if the machinery is moving faster than walking speed
   4. No; machinery hazards are covered only by Reg. 851

7. What must the employer provide to protect workers at heights, besides equipment?

   1. A bonus for working at heights
   2. Information, instruction and supervision
   3. Personal life insurance policies
   4. Free meals and transportation to the site

8. 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

9. What mark must a learner achieve on the working at heights written test?

   1. At least 90 per cent
   2. At least 50 per cent
   3. At least 60 per cent
   4. At least 75 per cent

10. What does "bottoming out" mean in fall protection?

    1. Hitting the ground or a lower level before the fall is stopped
    2. Reaching the bottom rung of a ladder safely and slowly
    3. Running out of rope on a reel during a slow, controlled descent
    4. Setting a ladder's feet on the ground at the right angle

11. What is a lifeline usually used with in a fall arrest system?

    1. A guardrail toe board
    2. A ladder leaning against the nearest wall
    3. A fall arrest device such as a rope grab
    4. A safety belt for fall arrest

12. Which may be used as the body support in a travel restraint system?

    1. A rope tied around the waist
    2. Only a hard hat with a chin strap
    3. A reflective safety vest
    4. A full body harness or a safety belt

13. Which is a limitation of personal fall protection equipment?

    1. It never needs to be inspected before or after each use
    2. It does not remove the hazard and depends on correct use
    3. It protects every worker in the area, not just the wearer
    4. It removes the fall hazard completely for everyone on the site

14. When using an automatic rope grab, what lanyard length does WorkSafeBC recommend?

    1. Any length at all
    2. 6 metres (20 ft)
    3. 0.6 metres (2 ft)
    4. 3 metres (10 ft)

15. A self-retracting lifeline's fall indicator shows it has arrested a fall. What should you do?

    1. Use it, since retractable lifelines reset themselves after a fall
    2. Use it only for the rest of the shift, then report it
    3. Reset the indicator by hand and continue using it right away
    4. Do not use it until the manufacturer inspects and approves it

16. What is one purpose of working at heights training according to the program standard?

    1. To license workers to drive elevating work platforms on roads
    2. To reduce falls from heights and the injuries and deaths they cause
    3. To replace the employer's duty to provide fall protection
    4. To qualify workers to design guardrails and anchors for engineers

17. When must a fall arrest system not include a shock absorber?

    1. Whenever the worker weighs less than the weight shown on the label
    2. Never; a shock absorber is required in every case
    3. Whenever the work lasts less than one hour
    4. When its extension could make the worker hit the level below

18. 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

19. At the perimeter of a work surface, how far may the guardrail be from the edge?

    1. No more than 1 metre from it
    2. No more than 300 millimetres
    3. At least 2 metres
    4. Exactly 600 millimetres

20. 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

21. In Ontario's ranking, which method comes last?

    1. A guardrail system
    2. A safety net
    3. A fall restricting system
    4. A travel restraint system

22. What is the maximum peak fall arrest force a fall arrest system may put on a worker?

    1. 50 kilonewtons
    2. 8 kilonewtons
    3. 2 kilonewtons
    4. 22 kilonewtons

23. Where is the general legal framework for health and safety taught to every Ontario worker?

    1. Nowhere; workers must read the law alone
    2. Only in university engineering programs
    3. In mandatory basic awareness training
    4. Only in the JHSC certification course

24. What is the maximum ratio of learners to instructor in classroom working at heights training?

    1. 30 to 1
    2. 12 to 1
    3. 50 to 1
    4. 2 to 1

25. How should a worker get tools up to a work area at height?

    1. Carry them in one hand while climbing up
    2. Use a hoist, hand line, bucket or tool belt
    3. Hold them in the mouth while climbing
    4. Throw them up to a co-worker who is waiting above

26. Why can't workers count on catching themselves when they start to fall?

    1. Harnesses prevent workers from moving their arms
    2. Most falls happen slowly enough to step back safely
    3. A fall happens too fast; about 1.2 m in half a second
    4. Gloves are always too slippery to grab anything at all

27. Which condition must a lanyard be kept away from?

    1. Its original storage bag
    2. Clean, dry and shaded storage areas
    3. Flame, extreme heat or corrosive materials
    4. The manufacturer's label

28. A fixed access ladder rises 7 m above the floor. What is required?

    1. A second ladder installed right beside the first
    2. A sign telling workers to climb slowly and carefully at all times
    3. A safety cage starting no more than 2.2 m above the floor
    4. Nothing extra, since fixed ladders are always safe

29. How high must the top of a guardrail be above the surface?

    1. At least 1.5 m and not more than 2 m
    2. Any height, as long as it is painted
    3. At least 0.5 m and not more than 0.7 m
    4. At least 0.9 m and not more than 1.1 m

30. A travel restraint system is not practicable on a sloped roof edge. Which method must be considered next?

    1. A safety net
    2. A warning sign at the edge
    3. A safety belt only
    4. A fall restricting system

31. Which tool is used in training to reduce fall distance on vertical work, such as near ladders?

    1. A longer lanyard with no shock absorber attached
    2. A rope tied around the waist
    3. A safety belt worn backwards
    4. A fall arrester (rope grab) on a vertical lifeline

32. Who must approve a working at heights training program in Ontario?

    1. The local building inspector
    2. Any CSA-certified dealer
    3. The site's general foreman
    4. The Chief Prevention Officer

33. If a worker may drown at a project, how many workers trained in rescue must be available?

    1. At least one
    2. None
    3. At least two
    4. At least five

34. What must happen for each demonstration outcome in the Practical module, such as donning a harness?

    1. It is graded only on a written quiz
    2. It must be performed satisfactorily and documented
    3. It may be skipped if the class runs short on time
    4. It is done only by the instructor

35. 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

36. What is the minimum size of the posts and rails of a wooden guardrail?

    1. 19 mm by 38 mm
    2. 38 mm by 89 mm
    3. 10 mm round
    4. 89 mm by 140 mm

37. Posts of a guardrail are normally no more than how far apart, unless the system is built for greater loads?

    1. 1 metre only
    2. 10 metres
    3. 5 metres
    4. 2.4 metres

38. Why does working at heights training stress the hierarchy of controls?

    1. The hierarchy lets workers choose whichever control they like
    2. Removing or engineering out the hazard beats relying on PPE
    3. PPE is always the cheapest and therefore the best choice
    4. Guardrails are never allowed when harnesses are available

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. 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