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Q:
47. The purpose of the device in the picture is to
a. reduce compressed air pressure to less than 30 psi for cleaning
purposes
b. regulate flow in one direction only (check valve)
c. prevent whip action in event of hose failure
d. act as a coupler
Q:
45. Air contaminant tests reveal the following concentrations over an 8-hr shift. (All values in ppm):(PEL=150) Isobutyl acetate(PEL = 1000) Ethyl Chloride(PEL=300) Cyclohexane(PEL=25) Diethylamine8:00 - 9:00 am15400200209:00 - 11:00 am102001001011:00 - 1:00 pm10300150101:00 - 4:00 pm5100505Show all calculations to justify your answers to the following:a. Is the PEL for any individual substance exceeded?b. Is the AL for any individual substance exceeded?c. Is the PEL for the mixture exceeded?d. Is the AL for the mixture exceeded?
Q:
9. Place an entry in the attached OSHA 300 Log for the following Case File. If the case file is not recordable write "Not recordable" on the line.
Case File 11--Tenosynovitis victim undergoes carpal tunnel surgery. The employee is away from work all day Tuesday, May 6, and returns to work Friday morning, May 9, at the regular time for her shift. However, due to the surgery she is given an alternate job beginning on the Friday that she returns to work, and she stays on that alternate job until Monday morning, June 2, when she returns to her regular job.
Q:
59. Which of the following indicates the lightest powder charge?
a. brass with purple
b. nickel with gray
c. brass with gray
d. brass with brown
Q:
58. Which of the following indicates the heaviest powder charge?
a. brass with purple
b. nickel with gray
c. nickel with purple
d. nickel with red
Q:
57. Which of the following indicates the heaviest powder charge?
a. nickel with red
b. nickel with purple
c. brass with red
d. brass with purple
Q:
56. Which metal indicates a heavier load?a. brassb. nickel
Q:
55. For which of the following materials are powder-actuated tools prohibited?
a. concrete
b. steel
c. masonry
d. all of the above
e. none of the above
Q:
54. For what type of tool does the table apply?
a. pneumatic tools
b. hydraulic tools
c. machine tools
d. powder-actuated tools
Q:
53. For what type of tool does the table apply?
Q:
52. What two metals are used for cartridges for powder-actuated tools?
Q:
51. Powder-actuated tools are prohibited for concrete and masonry.a. trueb. false
Q:
50. Why do workers remove the device pictured?
a. to increase the horsepower
b. to increase system capacity
c. to engage in horseplay
d. none of the above
Q:
49. The device pictured is best characterized as a
a. check valve
b. spring-loaded cut-off valve
c. pressure regulator
d. coupling
Q:
48. What is the principal drawback of the device pictured?
Q:
46. The principal hazard of mushroomed heads is
a. slivers in the eye
b. hand injuries
c. loss of hearing
d. atomic radiation
Q:
45. The biggest problem with fire prevention during construction is the hazard of waste lumber fires.a. trueb. false
Q:
44. The biggest problem with fire prevention during construction is the handling of flammable liquids.a. trueb. false
Q:
43. Garden hoses are prohibited as substitutes for fire extinguishers on construction sites.a. trueb. false
Q:
42. Even an ordinary garden hose may be used in place of fire extinguishers on construction sites.a. trueb. false
Q:
41. Drowning hazards are not addressed in federal standards.a. trueb. false
Q:
40. Drowning hazards are taken very seriously in federal standards.a. trueb. false
Q:
39. What is the minimum tensile strength specified for safety belt hardware?
a. 1000 lbs
b. 2000 lbs.
c. 4000 lbs.
d. 5000 lbs.
Q:
38. What is the purpose of the knot shown in the diagram?
Q:
37. What is the name of the knot shown in the diagram?
Q:
36. Which of the diagrams show compliance with the OSHA standard for lanyard length? a. a
b. b
c. both a and b
d. neither a nor b
Q:
35. What other hazard besides drowning is of concern for construction workers who might fall into water?
Q:
34. Besides strength, why is nylon a preferred material for lanyards?
Q:
33. What is the safety factor used for safety belt hardware tensile strength?
a. 4
b. 5
c. 10
d. 20
Q:
32. In the diagram identify which part is the lifeline and which is the lanyard:
Q:
31. Falls are probably the greatest hazard in construction work.a. trueb. false
Q:
30. On the bases of both fatalities and injuries, the greatest hazard to construction workers is probably
a. electrocution
b. falls
c. vehicle or construction equipment rolling over
d. getting run over by a vehicle or construction equipment
Q:
29. Why might construction workers checking steel girder alignment need eye protection?
Q:
28. Lasers are used as tools for checking steel girder alignment and deflection in bridges and buildings.a. trueb. false
Q:
27. The greatest concern for construction workers' eyes is for exposure to lasers.a. trueb. false
Q:
26. The greatest concern for construction workers' eyes is for mechanical injury.a. trueb. false
Q:
25. Hearing protection is required for general industry but not for construction sites.a. trueb. false
Q:
24. Construction standards are specific about when hardhats are required.a. trueb. false
Q:
23. Enclosed chutes are needed for dropping materials from distances greater than .
Q:
22. Enclosed chutes are needed for dropping materials from distances of greater than 20 feet.a. trueb. false
Q:
21. Rigging equipment on construction sites is required to be inspected monthly.a. trueb. false
Q:
20. Rigging equipment on construction sites is required to be inspected prior to use on each shift.a. trueb. false
Q:
19. The heaviest load a floor will probably ever support is the stacked materials used during its own construction.a. trueb. false
Q:
18. What frequency is required for inspection of rigging on construction sites:
a. each shift
b. weekly
c. monthly
d. none specified
Q:
17. What frequency is required for inspection of rigging on construction sites:
a. annually
b. monthly
c. weekly
d. each shift
Q:
16. According to the text, when does a building floor usually bear its heaviest load?
Q:
15. The general construction area minimum lighting standard is
a. 5 foot-candles
b. 10 foot-candles
c. 15 foot-candles
d. none; there is no general lighting standard for construction sites
Q:
14. The general construction area minimum lighting standard is
a. 3 foot-candles
b. 5 foot-candles
c. 10 foot-candles
d. 20 foot-candles
Q:
9. Hydraulic fluids used in aerial lifts around energized lines are required to be of the insulating type.a. trueb. false
Q:
10. Hydraulic fluids for general construction equipment are required to be of the insulating type.a. trueb. false
Q:
11. Hydraulic fluids for general construction equipment are required to be fire resistant.a. trueb. false
Q:
123. OSHA prohibits the use of temporary guardrails.a. trueb. false
Q:
12. Powder-actuated tool cartridges are available only in a single power rating.a. trueb. false
Q:
124. For a standard 42-inch guardrail, a 200 pound horizontal force applied at the top of the guardrail imparts which of the following counterbalancing forces at the bottom of the stanchion offset from the pivot point by 3.75 inches?
a. 40 pounds
b. 200 pounds
c. 240 pounds
d. 2240 pounds
Q:
13. What is the general construction area minimum lighting standard?
Q:
125. When a temporary guardrail is used properly, it is possible for the stanchion base to be required to withstand a ton of counterbalancing force.a. trueb. false
Q:
126. A ton of force applied to the stanchion base of a temporary guardrail indicates that the horizontal force applied to the top of the guardrail exceeds OSHA limits.a. trueb. false
Q:
127. A stanchion base for a temporary guardrail that can withstand a ton of force to counterbalance a side load at the top of the rail can lead to a false sense of security.a. trueb. false
Q:
1. The principal hazard of mushroomed heads on hand-held impact tools is
a. the tool may break in two
b. a sliver may break off and injure the worker's eye
c. the mallet may glance off and strike the worker's hand
d. the tool may fly from the worker's hand
Q:
2. During structural steel assembly, the use of 1/2 inch wire rope approximately 42 inches high is permitted in lieu of standard guardrails.a. trueb. false
Q:
3. Which of the following is the most important cause of construction fatalities?
a. electrocutions
b. powder-actuated tools
c. oxygen deficiency
d. explosions
Q:
4. Identify the three principal hazards of hydraulics over pneumatics.
Q:
5. Identify the principal hazard of pneumatics over hydraulics.
Q:
6. Which of the following is a hazard of pneumatics over hydraulics?
a. high pressure
b. electrical conductivity
c. fire
d. noise
Q:
7. Which of the following is not a hazard of hydraulics over pneumatics?
a. high pressure
b. electrical conductivity
c. fire
d. noise
Q:
8. Hydraulic fluids used in aerial lifts around energized lines are required to be fire resistant.a. trueb. false
Q:
104. What hazard is a ROPS system intended to defeat?
a. rollovers
b. runovers
c. runaways
d. ramps
Q:
120. The text describes a dramatic lesson in safety learned from the historic construction of the Golden Gate Bridge. What was that lesson? Describe in general what happened. (It is not necessary to remember the exact numbers involved; just describe the situation in general.)
Q:
105. Which of the following pieces of construction equipment are exempt from
requirements for ROPS?
a. wheel-type agricultural tractors
b. sideboom pipelaying tractors
c. motor graders
d. rubber-tired, front-end loaders
Q:
121. The purpose of concrete rebar caps isto prevent forms kick-out.to prevent impalement.to cap the flow of the concrete above the rebar.to improve the strength of the poured wall or other structure.
Q:
106. The dynamic test
a. is an alternative to the static test for ROPS
b. is required in addition to the static test for ROPS
c. is mandatory in lieu of a static test for ROPS
d. none of the above
Q:
122. Vibrating equipment used on freshly poured concrete can lead to
a. forms kickout.
b. impalement of concrete workers.
c. the angle of repose.
d. uneven distribution of the rebar.
Q:
107. The dynamic test for ROPS is to roll the vehicle over in the field.a. trueb. false
Q:
108. The field test for ROPS employs a 2-ton (more specifically, a 2000-kg)pendulum.a. trueb. false
Q:
109. ROPS are an acceptable alternative to seat belts.a. trueb. false
Q:
110. Backup alarms on construction vehicles are
a. prohibited
b. an administrative control
c. an engineering control
d. none of the above
Q:
111. All trenches are excavations.a. trueb. false
Q:
112. OSHA's special emphasis upon trenching and excavation cave-ins has resulted in no significant reduction in fatalities.a. trueb. false
Q:
113. OSHA's special emphasis upon trenching and excavation cave-ins has resulted in an impressive reduction in fatalities from this hazard source.a. trueb. false
Q:
114. The greatest angle above the horizontal plane at which a material will lie without sliding is called the
a. angle of repose
b. angle of declination
c. failsafe angle
d. none of the above