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Millwright Rigging & Lifting – Questions/Solutions
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Millwright Rigging & Lifting – Questions/Solutions
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Millwright Rigging & Lifting – Questions/SolutionsThe breaking strength of rope is
a. force needed to pull rope
b. force needed to tear rope
c. force needed to break the rope
d. force needed to stretch rope ✔️Ans - c. force needed to break the rope
What are spreader beams used for?
a. calculate loads
b. use on heavy lods
c. support loads during lifts
d. support long loads during lifts ✔️Ans - d. support long loads during
lifts
What are equalizer beams used for?
a. equalize the load on sling legs and to keep equal loads on dual hoists
lines when making tandem lifts
b. equalize the load on sling legs and to keep equal loads on dual hoists
lines when lifting shanks
c. equalize the load on sling legs and to keep equal loads on dual hoists
lines when making angular lifts
d. equalize the load on sling legs and to keep equal loads on dual hoists
lines when making deformed lifts ✔️Ans - a. equalize the load on sling
legs and to keep equal loads on dual hoists lines when making tandem lifts
the load capacity of beams depends on the load between those two points.
If distance across beam is doubled. Load capacity is halves
When using an eye bolt, keep the bending to aminimum. Always apply the
loads ______________ especially when using bridal slings. ✔️Ans - to the
plane of the eye
These are made from a single length of sling material passed through a
load. Both ends of the sling attach to the main hook.
a. bridal hitch
b. single vertical hitch
c. single basket hitch
, d. double basket hitch ✔️Ans - single basket hitch
If you are lifting people you must not lift more than what ratio of breaking
strength? ✔️Ans - 1/10
A knot can reduce the breaking strentgh of the rope by
a. 50%
B. 20%
C. 70%
d. 60% ✔️Ans - a. 50%
cable clips 20%
sharp corners should have padding
Tackle blocks are similar to wire rope blocks but are lightrer and have?
a. larger shanks
b. more sheaves
c. lighter capacity
d. higher capacity ✔️Ans - c. lighter capacity
A complete list of hand signals can be found in appendix D of the WCB for
what signal? ✔️Ans - moving loads, crane signals
In a test gauge if the link enters up to the second step marked R there is
evidence of
a. perfect alignment
b. considerable wear or stretch
c. excessive wear and stretch
d. heat casting ✔️Ans - b. consideRable wear and or stretch
Stamped C means excessive wear and stretch
If the hoist is overloaded it is first indicated by?
a. heat stress
b. closing of hook
c. opening of lower hook
c. closing of top hook ✔️Ans - c. opening of lower hook
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