NCCCO Tower Crane Questions and Answers
1. Which of the following OSHA regulations govern suspended personnel
platforms?
Answer OSHA 1926.1431
2. According to ASME B30.3The prohibited zone for power lines that are 60 kV is
Answer 15 ft
3. According to ASME B30.3, load hoist rotation resistant wire rope has a
design factor of
Answer 5 to 1
4. According to ASME B30.3 when Lifting a suspended personnel platform
design factor for the rigging hardware is
Answer 5 to 1
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5. According to ASME B30.3 Load hoist ropes that are not rotation resistant
must have a design factor of
Answer 5 to 1
6. The OSHA construction standard for rigging equipment is
Answer 1926.251
7. According to ASME B30.3 on who's recommendations should a preventa-
tive maintenance program be set up?
Answer Crane manufacturer
8. When using cable or nylon spreaders it is important to remember
Answer The lower the spreader angle the greater the tension
9. According to OSHA when testing a man basket how long must the test pick be
maintained?
Answer 5 minutes
10. According to ASME B30.3 What is the minimum pitch diameter for load
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hoisting sheaves?
Answer Not less than 18 times rope diameter
11. According to ASME B30.3 what is the minimum pitch diameter for load
block sheaves?
Answer Not less than 16 times rope diameter
12. According to ASME B30.3 what is the minimum pitch diameter for boom
hoist sheaves?
Answer Not less than 15 times rope diameter
13. According to OSHA when lifting personnel the cranes hook must be the
type that
Answer Can be closed and locked
14. According to OSHA when working over water with a man basket are the
people inside required to wear a belt/harness?
Answer No harness or belt required
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