answers
Why do most crane manufacturers reduce load capacity for
duty-cycle operations?
Side loading forces may occur
What is the difference between anti-two-block warning device
and an anti-two-block prevention device?
Warning device only warns, but prevention devices will stop
the functions
How can the LMI's boom length or load radius reading be
verified?
Actual measurements
,Loads rigged using a basket hitch should be ____ to prevent
slippage.
Balanced
When slings encounter sharp edges on loads to be lifted,
riggers shall ensure that slings are:
Protected or padded
According to OSHA, quadruple sling bridle ratings are the
same as
triple sling bridle ratings
Which statement listed below is correct about basic load
rigging?
As horizontal load angle decreases, stress increases
,The approximate percentage of strength of choker, vertical,
and basket hitches respectively are:
75%, 100%, 200%
According to ASME which of the following listed below shall
NOT be used for the suspension system on suspended
personnel platforms?
Synthetic web bridle
When rigging a bundle of pipe or tubing, which of the
following would provide the best contact between sling and
load?
Double wrap choker
For any signal other than emergency stop, who is permitted to
give hand signals to the crane operator during a lift
A qualified signal person
, Move slowly hand signal
Use whipline hand signal
What is the first element of voice signals given to a crane
operator prior to the lift?
Function and direction
According to OSHA, each series of voice signals contain how
many elements?
Three