CHAPTER 14 SAMPLE QUIZ QUESTIONS
14.1. According to Liberty Mutual, what injury (part of body affected) accounts for 33
percent of all workers’ compensation claims?
14.2. At Liberty Mutual Insurance company low back pain accounts for what
approximate percent of the company’s total workers compensation claims?
a. 10%
b. 20%
d. 40%
ref. p. 328
14.3. The National Safety Council charges material handling with what percent of all
occupational injuries?
14.4. According to the National Safety Council, what percent of all injuries are charged
to material handling?
a. 5 to 10 percent
b. 10 to 20 percent
d. 50 percent
ref. p. 328
14.5. According to the National Safety Council, what percent of all injuries are charged
to material handling?
a. 20 to 25 percent
b. 25 to 30 percent
c. 35 to 40 percent
d. 50 to 60 percent
ref. p. 328
14.6. According to the National Safety Council, what percent of all injuries are charged
to material handling?
a. 5 to 10 percent
b. 10 to 15 percent
c. 15 to 20 percent
ref. p. 328
14.7. According to the National Safety Council, on the average how many tons of
material are moved for every ton of product produced?
14.8. According to the National Safety Council what percentage of total tonnage of
product moved during manufacturing of a product is the product itself?
14.9. “Don’t saddle a dead horse” has to do with:
a. machine guarding
b. safety belts and lanyards
d. Boatswain’s chair harnesses
ref. p. 347
14.10. Industrial trucks are classified by how many design classifications by type of
power and degree of hazard for which approved?
a. three
b. five
d. fifty-four
ref. p. 331
14.11. Which of the following load orientations produces greater tensile stress on the
sling?
a. b.
14.12. The crane pictured is a
a. gantry crane
b. semi-gantry crane
c. wall crane
d. cantilever gantry crane
ref. p. 338
Note to Instructor: Some classes use the OSHA standards as a supplemental reference
to the course. Questions 14.13 through 14.36 are taken from the OSHA standards.
14.13. “Don’t saddle a dead horse.”
14.14. HAZARD: Associated with lowering an industrial crane hook into a pit in the floor.
14.15. HAZARD: “Two-blocking”
14.16. HAZARD: Insecure stacking in the warehouse
14.17. HAZARD: Taking passengers for rides on forklift trucks
14.18. HAZARD: Rated load marking missing on overhead crane
14.19. Alarms for excessive wind on outdoor overhead cranes
14.20. HAZARD: Portable ladder used for access to a gantry crane platform
14.21. Bridge bumpers
14.22. Trolley bumpers
14.23. HAZARD: Wrong function markings on handheld control box for overhead crane
14.24. “Deadman controls” for handheld pendant stations
14.25. Load test standard (25% higher than rating) for overhead cranes
14.26. Overhead guards to protect forklift driver from objects falling from the load
14.27. Daily inspection of forklift trucks
14.28. Inspection of a forklift truck used on the night shift
14.29. HAZARD: Wheels not chocked on a forklift truck parked on an incline
14.30. HAZARD: Engine left running on an unattended forklift truck
14.31. HAZARD: Operator goes home at night, forgetting to lower the forks on his
forklift truck
14.32. HAZARD: Unauthorized person attempts to repair a forklift truck
14.33. HAZARD: No sweeps to protect bridge trucks from rolling off the crane rails
14.34. HAZARD: Forklift drops full load on unsuspecting passerby below
14.35. “Do what you oughter; pour acid into water.”
14.36. “Here he lies all calm and placid; he poured water in his acid.”
14.37. Explain how materials handling hazards differ in nature from other hazards in a
typical industrial plant
14.38. The hazards of remote control are particularly acute for which of the following
types of equipment:
a. self-contained breathing apparatus
b. spot welders
d. bridge bumpers
ref. p. 329
14.39. The hazards of remote control are particularly acute for which of the following
types of equipment:
a. materials handling equipment
b. rail sweeps
c. trolley bumpers
d. wind indicators
ref. p. 329
14.40. The standard for materials stacking in warehouse storage is of the:
a. performance type
b. specification type
ref. p. 329
14.41. The standard for materials stacking in warehouse storage is a performance
standard.
14.42. Which of the following are excluded from the “powered industrial trucks”
standard?
a. farm tractors
b. over-the-road vehicles
c. vehicles for earth moving
e. none of the above
ref. p. 330
14.43 Which of the following are excluded from the “powered industrial trucks”
standard?
a. motorized hand trucks
b. industrial tractors
d. all of the above
e. none of the above
ref. p. 330
14.44. Which of the following are NOT excluded from the “powered industrial trucks”
standard?
a. motorized hand trucks
b. farm tractors
c. over-the-road vehicles
d. all of the above
e. none of the above
ref. p. 330
14.45. Which of the following are NOT excluded from the “powered industrial trucks”
standard?
a. motorized hand trucks
b. industrial tractors
c. forklifts
e. none of the above
ref. p. 330
14.46. Which of the following are excluded from the “powered industrial trucks”
standard?
a. motorized hand trucks
b. industrial tractors
c. forklifts
d. all of the above
ref. p. 330
14.47. Which of the following forklift truck ratings is approved for Class I, Division 1,
Group D?
a. DS
b. EE
d. LPS
ref. p. 331
14.48. Which of the following forklift truck ratings is not approved for Class I, Division
2?
a. DS
b. EE
c. DY
d. EX
ref. p. 331
14.49. Which of the following forklift truck ratings is approved for the most hazardous
locations?
a. DS
b. EE
c. DY
ref. p. 331
14.50. Which of the following is not a valid rating for an industrial truck?
a. DY
c. EX
d. LPS
ref. p. 331
14.51. Which of the following is not a valid rating for an industrial truck?
a. D
c. EX
d. LPS
ref. p. 331
14.52. Which of the following is not a valid rating for an industrial truck?
a. D
c. E
d. LPS
ref. p.331
14.53. Which of the following is not a valid rating for an industrial truck?
a. DY
c. E
d. LPS
ref. p. 331
14.54. A violent and exothermic reaction occurs when acid is poured into water.
14.55. A violent and exothermic reaction occurs when water is poured into a strong,
concentrated acid.
14.56. The crane pictured is
a. a gantry crane
b. a semi-gantry crane
c. a cantilever gantry crane
ref. p. 338
14.57. The crane pictured is
a. a gantry crane
c. a cantilever gantry crane
d. an overhead traveling crane
ref. p. 338
14.58. The crane pictured is
a. a gantry crane
b. a semi-gantry crane
d. an overhead traveling crane
ref. p. 338
14.59. What is the mechanical advantage of the reeving arrangement shown?
14.60. What is the mechanical advantage of the reeving arrangement shown?
14.61. What is the mechanical advantage of the reeving arrangement shown?
14.62. What is the mechanical advantage of the reeving arrangement shown?
14.63. Which is the proper arrangement?
(a)
(b)
(c)
14.64. What is the mechanical advantage of the arrangement shown?
14.65. The dimension pictured is
a. the strand length
b. the core lay
d. the becket length
ref. p. 350
14.66. Which is the correct method of gauging wire rope diameter?
(a) (b)
14.67. Explain the difference between a hoist chain and a sling chain.
14.68. Explain the admonition “Don’t saddle a dead horse”, in the context of a material
handling equipment.
14.69. Explain the proper sequence for mixing acid and water.
14.70. Explain the phenomenon of “two-blocking.”
14.71. What is the name of the phenomenon that occurs when a hoist raises a load too
high?
14.72. When a hoist raises a load too high, which of the following is likely to occur?
a. lay overlay
b. lay separation
c. tube-locking
ref. p. 340
14.73. Two-blocking results in
a. great protection of the wire rope
b. an extra margin of safety for heavy loads
c. a redundant back-up in case the main rope fails
e. none of the above
ref. p. 340
14.74. A block and tackle hoist has 3 sheaves on each of the blocks.
To which of the blocks is the end line attached?
14.75. Industrial trucks are classified by how many design classification by the type of
power and degree of hazard for which approved?
14.76. Explain why lifting load by its binding straps places a severe load on the straps?
14.77. Explain why a longer sling enables a load to be lifted with less stress on the
sling than would be the case for a shorter sling.
14.78. Two-blocking results from
a. insufficient clearance at the rear of the crane cab
b. riding the headache ball
d. none of the above
ref. p.340
14.79. An OSHA standard prohibits pouring water into acid; this rule is found in which of
the following subjects addressed in the standards?
a. welding
c. cranes
d. chemical process safety
ref. p. 332
14.80. Industrial trucks, designated EX, DY, G, LPS, etc., are classified by two criteria.
What are these two criteria?
14.81. A five thousand pound load is to be picked up by a wire rope hoist in which the
wire rope has a nominal breaking strength of 4,000 pounds. The load block
weighs 50 pounds. Show all calculations necessary to:
a. Determine the minimum number of sheaves needed on the upper and
lower blocks to meet standards.
b. To which block will the end of the wire rope be attached for your
solution to the problem?
a) Gross load + load block < 20%(nom breaking strength)
N
N > 5000 + 50 lbs
20%(4000 lbs)
N > 5050/800
N > 6.3125 N = 7
To achieve a mechanical advantage of seven it is necessary to have three lower
sheaves supported by four upper sheaves.
Nbr of sheaves on the upper block: __4___
_
Nbr of sheaves on the lower block: __3___
b) load block
ref. p. 344
14.82. A block-and-tackle assembly has 2 sheaves on the lower block and the end of
the wire rope is attached to the upper block. The load to be picked up weighs 5
tons (10,000 lbs) and the load block weighs 100 lbs. Calculate the minimum
allowable nominal breaking strength of the wire rope to meet OSHA standards.
Show your work.
14.83. A block-and-tackle arrangement has two sheaves on the lower block and the end
of the wire rope is also attached to the load block, which weighs 100 pounds.
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much
payload this assembly can allowably pick up. Show your work.
14.84. The diagram illustrates which of the following crane types?
a. cantilever gantry crane
c. gantry crane
d. overhead traveling crane
ref. p. 338
14.85. The diagram illustrates which of the following:
b. mechanical advantage
c. proper use of a becket
d. an OSHA violation
ref. p. 345
14.86. Determine the mechanical advantage of the reeving arrangement shown and
explain how you know.
14.87. The diagram shows incorrect rigging and an OSHA violation. How can it be
corrected?
14.88. The diagram shows incorrect rigging and an OSHA violation. How can it be
corrected?
14.89. What is the mechanical advantage of the reeving arrangement for the hoist
shown in the diagram. Explain how you know.
14.90. How many “parts of rope” (chain) support the load block in the illustration below?
14.91. The calipers shown are being correctly used to gauge the diameter of the wire
rope.
14.92. The wire rope shown has:
a. how many “strands” ________
b. how many “cores” __________
14.93. Explain why it is permissible to pick up a load with wire rope block and tackle
when the load is even heavier than the breaking strength of the wire rope.
14.94. “Two-blocking” is
a. a method of adding a margin of safety to lifting operations
c. classified as a “de minimus” hazard
d. an erroneous term; the correct term is “tube-locking“
ref. p. 340
14.95. The most important problems with forklift trucks occur in the area of
a. improper selection of the type of truck for hazardous atmospheres
b. illegal modifications from one type of truck to another classification
d. use of trucks that do not have Underwriters Laboratories approval
ref p. 332
14.96. Headlights on forklift trucks
b. are required by OSHA if ambient light is less than 5 lumens/ft2
c. are required by OSHA under all circumstances
d. are not mentioned in the OSHA standards.
ref. p. 333
14.97. A particular wire rope has a “nominal breaking strength” of 15000 pounds. How
much mechanical advantage in the reeving arrangement is necessary to safely
and legally (per OSHA standards) pick up a payload of 10000 pounds? Assume
that the load block weighs 100 pounds. Show calculations.
14.98. Through proper training, workers will learn that almost everyone is able to lift a
heavier load with the legs than with the back.
14.99. If the shape of the load is such that it must be brought out in front of the knees,
lifting with the legs decreases the compression force on the lower back.
14.100. The capacity to lift varies greatly with the horizontal position of the load, which
is determined largely by the shape of the object being lifted.
14.101. Explain the hazard mechanism that makes the danger of screw conveyors so
insidious.
14.102. Explain how an screw conveyor auger intake can be made safe.
14.103. Explain how conveyor hazards can be deceptively dangerous.
14.104. Which of the following types of slings are permitted in the presence of caustic
vapors?
a. Polyester slings
b. Polypropylene web slings
c. Web slings with aluminum fittings
e. All of the above
14.106. Which of the following types of slings is not permitted in the presence of acid or
phenolic vapors?
b. Polypropylene web slings
c. Metal mesh slings
d. Alloy steel chain slings
e. All of the above
14.107. For which of the following types of slings are repairs permitted?
a. Natural fiber rope
b. Nylon fiber rope
c. Polyester fiber rope
d. Nylon web
e. All of the above
14.108. Rated capacity markings are required on all types of slings.
14.109. Repairs are prohibited on all types of slings.
14.110. For which of the following types of slings is the employer required to maintain
certificates of proof test?
a. Alloy steel chain
b. Metal mesh
c. Natural fiber rope
d. Synthetic fiber rope
e. All of the above