advanced rigging testc Questions with CORRECT
Answers (Grade A+)
Question 1:
what is the name for the comparison between the force needed to an object over the surface
of another material, and the pressure between them?
Answer:
coefficient of friction (cf)
Question 2:
The angle factor for 45 degrees is 1.414. What is the force applied to each leg of a two-leg
sling at 45 degrees lifting a load of 2000 lbs?
Answer:
2000 lb
Question 3:
Boom length on a lattice boom is measured from where?
Answer:
center of boom foot pins to center of boom point sheaves
Question 4:
what is the maximum percent of the rated capacity of a crane that can be used to lift personel?
Answer:
50%
Question 5:
what type of hardware is preferred for angular lifting?
Answer:
swivel hoist ring
, Question 6:
which of the following MUST be removed from personel platform before lifting employees?
Answer:
test weight
Question 7:
when a loads center of gravity is out of balance, what may the rigging supervisor require?
Answer:
an adjustable equalizer beam
Question 8:
ASME. Standard B30.9 makes which requirement about slings?
Answer:
slings must be inspected daily before use
Question 9:
which of the following tag lines materials has the BEST non-conductive properties?
Answer:
polyprophylene
Question 10:
when two or more cranes are used to lift a load, who is ultimately responsible for the
operation?
Answer:
one designated person
Question 11:
before a spreader bar or beam can be used, what test MUST have taken place?
Answer:
proof tested
Answers (Grade A+)
Question 1:
what is the name for the comparison between the force needed to an object over the surface
of another material, and the pressure between them?
Answer:
coefficient of friction (cf)
Question 2:
The angle factor for 45 degrees is 1.414. What is the force applied to each leg of a two-leg
sling at 45 degrees lifting a load of 2000 lbs?
Answer:
2000 lb
Question 3:
Boom length on a lattice boom is measured from where?
Answer:
center of boom foot pins to center of boom point sheaves
Question 4:
what is the maximum percent of the rated capacity of a crane that can be used to lift personel?
Answer:
50%
Question 5:
what type of hardware is preferred for angular lifting?
Answer:
swivel hoist ring
, Question 6:
which of the following MUST be removed from personel platform before lifting employees?
Answer:
test weight
Question 7:
when a loads center of gravity is out of balance, what may the rigging supervisor require?
Answer:
an adjustable equalizer beam
Question 8:
ASME. Standard B30.9 makes which requirement about slings?
Answer:
slings must be inspected daily before use
Question 9:
which of the following tag lines materials has the BEST non-conductive properties?
Answer:
polyprophylene
Question 10:
when two or more cranes are used to lift a load, who is ultimately responsible for the
operation?
Answer:
one designated person
Question 11:
before a spreader bar or beam can be used, what test MUST have taken place?
Answer:
proof tested
