21. Which type of crane inspection involves examining parts that are “off limits” or out of the view of most operators?
a. frequent
b. periodic
c. pre-operational
Ans: B
22. A hook must be replaced if it is stretched more than ____________ percent of its original size.
a. 5
b. 10
c. 15
Ans: C
23. Chains used as lifting devices are not required to carry a capacity label.
a. true
b. false
Ans: B
24. Wire rope is not required to carry a capacity label.
a. true
b. false
Ans: A
25. The weight of any lifting device attached to a crane hook must be considered part of the load.
a. true
b. false
Ans: A
26. A crane that is not placed directly over a load to be lifted is known as ___________________.
a. back loading
b. jerking the load
c. side loading
Ans: C
27. Riding a load is only permitted when you are sure your weight combined with the load weight doesn’t exceed the capacity of the load and rigging devices.
a. true
b. false
Ans: B
28. A crane operator should always obey a stop signal no matter who gives it.
a. true
b. false
Ans: A
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