1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions and Answers

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1 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions and Answers 1. What is the maximum peak sound pressure level for impact or impulsive noise? a) 105 decibels b) 115 decibels c) 140 decibels d) 160 decibels 2. What is the minimum distance from the edge of an excavation that rock or excavated soil shall be stored and retained, when employees are permitted to enter the excavation? a) 1 foot b) 2 feet c) 4 feet d) 5 feet 3. What is the maximum reflected laser light intensity, for work areas where employees could potentially be exposed, before requiring anti-laser eye protection to be provided? a) 5 milliwatts b) 10 milliwatts c) 50 rnilliwatts d) 75 milliwatts 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 1

2 4. When materials are stored or stacked on a jobsite, what is the maximum allowable height of a loose brick stack before requiring the brick stack to taper back? a) 3 feet b) 4 feet c) 6 feet d) 7 feet 5. When debris is dropped through a hole in the floor without the use of chutes, the drop area shall be enclosed with barricades. What is the minimum height of the barricades? a) 30" b) 36" c) 42" d) 48" 6. Which of the following is a supported scaffold composed of framed squares which shall not exceed 3 tiers in height and be arranged such that one square rests above the other? a) Horse scaffold b) Bricklayers scaffold c) Fabricated frame scaffold d) Trestle ladder scaffold 7. Which of the following tools or machines require "Point of Operation Guarding"? a) hand chisels b) guillotine cutters c) powder-actuated tools d) 1-1/2" abrasive wheel grinder 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 2

3 8. A scaffold is to be constructed to support a 1,000 pound maximum intended load. How many tons shall the scaffold be capable of supporting? a) 1/2 ton b) 1 ton c) 2 tons d) 10 tons 9. How often shall the contents of a first aid kit be checked to replace expended items? a) at least daily b) at least weekly c) at least monthly d) annually 10. Which of the following scaffolds has an adjustable platform mounted on an independent support frame and is equipped with a means to permit platform raising or lowering? a) Multi-point adjustable suspension scaffold b) Single-point adjustable suspension scaffold c) Two-point adjustable suspension scaffold d) Masons' adjustable supported scaffold 11. At what height above a lower level shall the tubular welded frame scaffolding require approved guard rails and toe boards at all open sides and ends? a) more than 4 feet b) more than 6 feet c) more than 10 feet d) more than 12 feet 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 3

4 12. At what height above a lower level shall an open sided platform be protected by use of guardrails, safety nets, or personal fall arrest systems, except at the point of access? a) 4 feet or more b) 5 feet or more c) 6 feet or more d) 10 feet or more 13. What is the minimum number of bolts that shall be in place at each structural steel beam connection during final placing of solid web members before the load shall be released? a) at least one b) not less than two c) not less than three d) not less than four 14. How many 2A portable fire extinguishers shall be provided for a 9,000 sf building? a) three b) two c) one d) none 15. What is the rating for the suspension rope and hardware for an interior hung scaffold? a) 4 times the maximum intended load transmitted to the rope b) 5 times the maximum intended load applied to the rope c) 6 times the maximum intended load applied or transmitted to the rope d) 9 times the design breaking strength of the rope 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 4

5 16. What is the maximum allowable height, without being restrained from tipping, for a free-standing mobile scaffold tower that has a base width of 4 feet? a) 12 feet b) 16 feet c) 20 feet d) 24 feet 17. Fuel gas and oxygen manifolds shall not be located in which of the following places? a) indirect sunlight b) within 60" above finish floor c) within 15 feet of an electric service panel d) within any confined or enclosed space 18. Which of the following is required for all haulage vehicles, whose payload is loaded by means of crane, power shovel or loader, to protect the operator from shifting materials? a) a cab shield or adequate canopy b) seat belt and rollover structure c) an emergency brake system d) an audible warning device 19. What is the minimum plywood thickness required for an overhead protective covering above a material or personnel hoist cage? a) 5/8" b) 3/4" c) 7/8" d) 2" planking is required 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 5

6 20. What is the least force that a handrail or toprail shall be capable of withstanding, without failure, when force is applied within 2" of the top edge, in a downward direction? a) at least 200 pounds per linear foot b) at least 250 pounds per linear foot c) at least 200 pounds d) at least 250 pounds 21. What is the maximum permissible span for a 2" x 9" full thickness rough undressed lumber scaffold plank, when used for a light duty rated load? a) 6 feet b) 8 feet c) 9 feet d) 10 feet 22. What is the least force that a toeboard shall be capable of withstanding, without failure, when a force is applied to the toeboard in a horizontal direction at any point on the board? a) 50 pounds b) 75 pounds c) 50 pounds per linear foot d) 75 pounds per square foot 23. What is the maximum break in elevation at which a stairway or ladder shall be provided at all personnel points of access? Assume there is no ramp or personnel hoist provided. a) 16 inches or less b) 19 inches or more c) between 20 inches and 24 inches d) 6 feet or more 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 6

7 24. What is the minimum diameter of the hoisting wire rope used for personnel hoists? a) 1/4" b) 3/8" c) 1/2" d) 3/4" 25. What is the nearest distance that combustible liquids can be stored outside a building? a) 5 feet b) 10 feet c) 12 feet d) 20 feet 26. What is the maximum number of persons permitted on a float or ship scaffold? a) 1 b) 2 c) 3 d) What is the minimum diameter for a nylon safety belt lanyard for personal protection? a) 1/4" b) 3/8" c) 1/2" d) 5/8" 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 7

8 28. Which of the listed signs has legible red letters, not less than 6" high, on a white field? a) DANGER b) EXIT c) CAUTION d) WARNING 29. Which choice is true about electric power-operated tools furnished by the contractor? a) each tool shall be cleaned daily after use b) each tool shall be checked daily before use c) each tool shall be tested daily before use d) each tool shall be double insulated or grounded 30. What minimum distance shall the side rails of a portable ladder extend above the roof? a) 24 inches b) 30 inches c) 36 inches d) 48 inches 31. What is an accidental failure of a cross brace in an excavation called? a) kickout b) slip-in c) workout d) cave-in 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 8

9 32. What is the minimum indoor illumination requirement, in foot-candles, for a warehouse? a) 3 b) 5 c) 10 d) What is the minimum height requirement for a toeboard above a working surface? a) at least 3-1/2 inches b) not less than 4 inches c) a minimum of 1/4 inch d) at least 1-1/2 inches 34. Which of the following switches would be approved for electric powered circular saws? a) constant pressure switch b) momentary contact "on-off' switch c) positive" on-off' control switch d) pressure release switch 35. Which of the following distances would require an enclosed chute of wood when materials are dropped to any point lying outside the exterior walls of the building? a) 10feet b) 15 feet c) 20 feet d) 25 feet 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 9

10 36. What is the maximum permissible span for 1-1/4 x 9 inch full thickness wood plank having a maximum intended load of 50 pound per square foot? a) 4 feet b) 6 feet c) 8 feet d) 10 feet 37. What is the maximum allowable slope for excavations in loamy sand (Type C) soilless than 20 feet deep? a) 34 degrees b) 45 degrees c) 53 degrees d) 90 degrees 38. What is the maximum unsupported vertically sided lower portion height for an excavation which measures 10 feet in depth with a 1 to 1 soil slope for the upper portion? a) 3 feet b) 3-1/2 feet c) 4 feet d) 4-1/2 feet 39. What is the minimum breaking strength for vertical lifelines used for fall protection? a) 3,000 pounds b) 4,000 pounds c) 5,000 pounds d) 5,400 pounds 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 10

11 40. What is the maximum quantity of flammable or combustible liquids which can be stored in a room outside of an approved storage cabinet? a) 5 gallons b) 25 gallons c) 60 gallons d) 120 gallons 41. What is the required gauge of U.S. Standard wire that is used for the screen between the toe boards and top rails of an approved guardrail system? a) No. 12 gauge b) No. 14 gauge c) No. 16 gauge d) No. 18 gauge 42. What does a ground fault circuit interrupter, GFCI, which is not a part of the permanent wiring of the building on a construction site, protect? a) all cord sets b) power tools c) the personnel d) the wiring 43. What is the maximum allowable on center spacing for adequate means of egress for employees (stairs or ladders) from trench excavations which are 4' or more in depth? a) 25 feet b) 30 feet c) 50feet d) 75 feet 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 11

12 44. What is the maximum opening size permitted in the 1/4" woven wire mesh, used as a rear canopy guard on rider-operated equipment, when used for site clearing? a) 1" maximum b) 3/4" maximum c) 1/2" maximum d) 1/4" maximum 45. At what excavation depth shall support systems, sloping and benching be designed by a registered professional engineer? a) 8 feet b) 20 feet c) greater than 20 feet d) greater than 30 feet 46. What is the ratio of ultimate breaking strength to actual working stress called? a) temporary construction conditions b) the safety factor c) the condition of protection level d) tensile strength 47. When a limited access zone is established the entire length of a masonry wall under construction, which of the following represents the distance that the zone shall extend? a) a distance equal to one half the height of the wall b) a distance equal to the height of the wall c) distance equal to the height of the wall, plus 2 feet d) a distance equal to the height of the wall, plus 4 feet 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 12

13 48. How many chemical toilets are required for a commercial project having 90 employees? a) at least 1 b) at least 2 c) at least 3 d) at least When a contractor discovers a piece of machinery on site which is not in compliance with OSHA requirements, which of the following responsibilities shall the contractor perform? a) physically remove the machinery from the site b) identify the problem and inform anyone who operates it c) only operate the machinery on weekends or holidays d) schedule service to remedy the problem within 48 hours 50. A general contractor is building an apartment building with two exterior\ balconies. The general contractor and the carpentry subcontractor sign an agreement where the carpentry subcontractor will provide all temporary railings. There are 3 other subcontractors and their employees working on site, using the balconies, when an OSHA inspector arrived and found the railings to be inadequate and unsafe. Which of the following represents the most likely outcome of this inspection visit? a) the general and all subs on site will be fined the full amount b) only the carpentry subcontractor will be fined the full amount c) only the general contractor can be fined on the project d) only the general and the carpentry subcontractor will be fined 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 13

14 51. Of the following, which is not a true statement per OSHA regulations? a) jobsite first-aid kits shall be checked by the employer daily b) common drinking cups are prohibited for potable water c) a jobsite with 50 employees must have 2 toilets and 2 urinals d) the maximum duration of exposure to a sound level of 92 dba is 6 hours 52. According to OSHA, a hazardous atmosphere may exist in deep excavations where oxygen levels are too low. What percent of oxygen determines a hazardous atmosphere? a) less than 100% b) less than 75% c) less than 50% d) less than 19.5% 53. Which of the following is a true statement concerning OSHA regulations? a) manually stacked lumber piles shall not be more than 16' in height b) material stored inside buildings may not be placed within 2' of doors c) brick stacks shall not be more than 6 feet in height d) masonry blocks shall not be stacked more than 7 feet in height 54. What is the minimum illumination intensity for hallways within a construction project? a) 3 foot candles b) 5 foot candles c) 10 foot candles d) 30 foot candles 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 14

15 55. A 20 foot straight portable ladder is placed against a building to access the roof surface. The working length is 17 feet. According to OSHA, the horizontal distance from the base of the ladder to the base of the building should be approximately feet. a) 4 feet b) 4.25 feet c) 5 feet d) 6 feet 56. Temporary stairs are constructed to access a platform located 8 feet above finished floor. At which angle, shown in degrees from horizontal, could the stairway be constructed? a) 28 degrees b) 45 degrees c) 52 degrees d) 60 degrees 57. What is the maximum required toprail top height for a guardrail system for an employee who is wearing 18" stilts and working on an open platform? a) a maximum of 42 inches b) between 39 inches and 45 inches c) between 46 inches and 56 inches d) 63 inches 58. Employers shall not issue or permit the use of unsafe hand tools. Which tool is unsafe? a) a drift pin with a mushroomed head b) a splintered wooden handled shovel c) a pipe wrench with a sprung jaw d) all of the above are unsafe tools 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 15

16 59. How often shall power-actuated tools be tested to insure proper working condition? a) every hour of each day in use b) each day before loading c) once per week d) after a malfunction occurs 60. Of the following choices, which power tool would require a constant pressure switch? a) a router b) a saber saw c) a jigsaw d) a chain saw 61. By definition, what is the percentage that determines "asbestos containing material"? a) up to one percent b) more than one percent c) two percent or less d) between five and seven percent 62. Guarding for use with belts, gears, shafts, pulleys, drums, fly wheels or other power operated tools with reciprocating, rotating or moving parts should meet the requirements of: a) OSHA Regulations b) American National Standards Institute c) Florida Building Code d) U.S. Department of Labor 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 16

17 63. At what operating pressure shall all pneumatically driven nailers and staplers, provided with automatic fastener feed, have a safety device on the muzzle? a) 30 to 50 psi b) 50 to l00 psi c) more than 100 psi d) 250 psi and greater 64. What is the pressure that compressed air shall be reduced to, for cleaning purposes? a) 50 psi b) 40 psi c) 30 psi d) less than 30 psi 65. Which of the following is the correct filter lens shade number, for Coverspec Type welding goggles with the tinted plate lens, when used for carbon arc welding? a) 10 b) 11 c) 12 d) In excavations where a trench shield system is installed, what is the maximum depth of earth material that can be excavated below the bottom of the shield? a) none b) not more than 6 inches c) not more than 12 inches d) not greater than 2 feet 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 17

18 67. When lifting inserts are embedded in precast concrete members that are to be lifted into place, what amount shall the lifting inserts be capable of lifting? a) at least the maximum intended load applied to them b) at least two times the maximum intended load applied to them c) at least four times the maximum intended load applied to them d) at least five times the maximum intended load applied to them 68. Who requires the use of barricades for protection of employees at construction projects? a) O.S.H.A. b) F.S c) Florida Building Code d) F.S In accordance with OSHA, who has the responsibility of being safe, conducting activities safely and in accordance with all applicable laws and rules? a) Each individual b) The employer c) The building official d) The foreman 70. What is the minimum number of sanitation facilities (chemical toilets) required for a 10 person mobile crew having transportation readily available to nearby toilet facilities? a) not less than 1 toilet b) 2 c) 3 d) none 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 18

19 71. Which soil can easily be shaped into a ball and rolled into small diameter threads before crumbling? Assume the soil looks and feels damp. a) Cohesive soil b) Fissured soil c) Moist soil d) Granular soil 72. Which of the following cohesive soils has an unconfined compressive strength greater than 0.5 tons per square foot but less than 1.5 tons per square foot? a) Stable Rock b) Type A c) Type B d) Type C 73. What is the maximum interval allowed between inspections of alloy steel chains when used for rigging equipment for material handling? a) daily b) weekly c) monthly d) annually 74. Which of the following project durations would not require showers and change rooms for hazardous waste removal operations? a) 3 months b) 6 months c) 9 months d) 12 months 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 19

20 75. Concrete mixers with or larger loading skips shall be equipped with guardrails installed on each side of the skip? a) one cubic foot b) ten cubic feet c) one cubic yard d) ten cubic yards 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 20

21 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions and Answers 1. Answer: C Solution: (e) 2. Answer: B Solution: (j) (2) 3. Answer: A Solution: (c) 4. Answer: B Solution: (b) (6) 5. Answer: C Solution: (b) 6. Answer: B Solution: (e) (4) 7. Answer: B Solution: (b) (4) (iv) (a) 8. Answer: C Solution: (a) (1) 1,000 x 4 = 4,000 / 2,000 = 2 tons 9. Answer: B Solution: (d) (2) 10. Answer: D Solution: (b) review all (Masons') (see Self-contained) 11. Answer: C Solution: (g) (1), (g) (1) (vii), (g) (4) (ii), (b) (2) (ii) 12. Answer: C Solution: (b)1 "Unprotected Sides" 13. Answer: B Solution: (a) (1) 14. Answer: A Solution: (c) (1) (i) 9,000 / 3,000 = Answer: C Solution: (a) (3) and (4) 16. Answer: B Solution: (c) (1), not more than 4:1 4 x 4' =16 feet 17. Answer: D Solution: (e) (2) 18. Answer: A Solution: (b) (6) 19. Answer: B Solution: (b) (3), (c) (7) 20. Answer: C Solution: (c) (5) 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 21

22 21. Answer: D Solution: See Table for Light Duty Rating, 25 pounds per square foot 1. (b)(i) See full thickness, See Table for maximum span, 25 psf 22. Answer: A Solution: (h) (4) (i) 23. Answer: B Solution: (a) 24. Answer: C Solution: (c) (14) (ii) 25. Answer: D Solution: (c) (1) 26. Answer: C Solution: , Subpart L, Appendix A, 2 (s)(1) Float Maximum intended load = 750#, move to 1 (c) and read 27. Answer: C Solution: (d), not found at or Appendix 28. Answer: B Solution: (b) (c) (d) (e) 29. Answer: D Solution: (a) (1) 30. Answer: C Solution: (b) (1) 31. Answer: A Solution: (b) 32. Answer: B Solution: (a) Table D-3, indoors: warehouse 33. Answer: A Solution: (h) (4) (ii) 34. Answer: A Solution: (d) (1, 2, 3) 35. Answer: C Solution: (a) 36. Answer: A Solution: , Appendix A, 1. (b) (ii) 37. Answer: A Solution: 1926 Subpart P, Appendix B, Table B Answer: B Solution: , Appendix B, Figure B-1 #3 39. Answer: C Solution: (d) (9) 40. Answer: B Solution: (b) (1) 41. Answer: D Solution: , Appendix A, 1. (f) 42. Answer: C Solution: , (b) (1) (ii) 43. Answer: C Solution: ( c) (2) no more than 25' oflateral travel 50 feet on center H < '-----X '----->H X=Employee H=Ladder 44. Answer: A Solution: (2) (ii) 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 22

23 45. Answer: C Solution: , Appendix B, Table B-1, Note Answer: B Solution: Definitions (n) 47. Answer: D Solution: (a) (2) 48. Answer: C Solution: , Table D-1 90/40 = Answer: A Solution: (b) (3) 50. Answer: A Solution: (a) (b) (c) (d) joint responsibility 51. Answer: A Solution: (d)(2), (a)(4), (c)(1), Table D Answer: D Solution: (g) (1) (i) 53. Answer: A Solution: (b) (1) (6) (7) (8) (iv) 54. Answer: B Solution: , Table D Answer: B Solution: (b) (5) (i) building 17' / 4 = 4.25' 56. Answer: B Solution: (a) (2) 57. Answer: D Solution: (b) (1) Note: 42" + 3" = 45" + 18" = 63" 58. Answer: D Solution: , (a) (b) (c) (d) 59. Answer: B Solution: (e) (1) (2) 60. Answer: D Solution: (d) (1) (2) (3) (4) (5) 61. Answer: B Solution: , (b) (ACM) 62. Answer: B Solution: (b) (2) 63. Answer: C Solution: , (b) (3) 64. Answer: D Solution: , (b) (4) 65. Answer: D Solution: , Table E Answer: D Solution: (e) (2) (g) (2) 67. Answer: C Solution: (b) (c) (d) not tilt-up, not hardware 68. Answer: A Solution: Answer: B Solution: Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 23

24 70. Answer: D Solution: (c) (4) 71. Answer: C Solution: , Appendix A to Subpart P, (b) Definitions, Read Each 72. Answer: C Solution: , Appendix A to Subpart P, (b) Definitions, Type B means. 73. Answer: D Solution: (b)(6)(d) 74. Answer: A Solution: (n)(7) 75. Answer: C Solution: (b) 1 Exam Prep OSHA Construction Standards/CFR Title 29 Part 1926 Questions (Plumbing Contractor) 24