EXAM QUESTIONS AND ACCURATE ANSWERS
|ALREADY PASSED!!
1) What is meant by the term "two blocking - (ANSWER)The load block contacts
the boom point sheaves.
2) lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is
force applied to each leg? - (ANSWER)20,000
3) In multiple crane lifts using an equalizer beam, the weight of the beam should
be considered: - (ANSWER)Part of the load weight
4) What is required if there is a deviation in the lift plan? - (ANSWER)A new lift
plan
5) On level ground using skids and rollers, what percent of the weight of the load
should yield the required line pull as a general rule of thumb? - (ANSWER)5%
6) All of the following are results of unbalanced reeving of the hook block EXCEPT:
- (ANSWER)Wear on the hook
7) Before a spreader bar or beams can be used they MUST have been: -
(ANSWER)Tested and approved
, 8) When materials are being hoisted to an upper level, a tag line is used to: -
(ANSWER)Help control the load
9) Two cranes are lifting 100 tons . If crane A has 40 % of the load , how much
weight will crane B have on its hook? - (ANSWER)120,000 Ibs.
10) To confirm the rated capacity of a specific sling, consult the manufacturer's: -
(ANSWER)Sling tag
11) OSHA regulations require hook replacement if the opening exceeds what
percentage of its original throat opening? - (ANSWER)15%
12) At what percentage of increase in length should a chain sling be removed
from service? - (ANSWER)5%
13) The methodical process that attempts to identify hazards and devise plans to
overcome or eliminate hazards which may interfere with crane or rigging is called:
- (ANSWER)Lift plan
14) What provides additional control of a load being lifted? - (ANSWER)Tag lines
15) When traveling on a rubber tire mobile crane, how should the boom be
positioned? - (ANSWER)In line with the direction of travel