Download Advanced Crane & Rigging Test Actual Final Examination with Complete Questions And 100% and more Exams Nursing in PDF only on Docsity!
Advanced Crane & Rigging Test
Actual Final Examination with
Complete Questions And 100%
Correct Revised Solutions Rated 5
Stars A+ Graded
When should an approved lift plan be re-approved? - CORRECT
ANSWER >>> D. If there is any deviation from the original lift plan.
Electrical hazards in the lift area and swing direction and degree are factors to
consider in preparing which portion of a lift plan? - CORRECT ANSWER
>>> D. Crane Placement
Capacities for crawler cranes that have outrigger extensions may not exceed
________. - CORRECT ANSWER >>> D. 85 perfect of tipping
When planning a lift involving two cranes, calculate the lowest net capacities
that both cranes will have during the lift. The next step is to ______. -
CORRECT ANSWER >>> A. Make sure that the sum of the lowest rated
net capacities of the cranes exceeds the load weight.
A lift plan should be discussed ______. - CORRECT ANSWER >>> D. At a
pre-lift meeting where all personnel in the lift are present.
What is meant by the term "two blocking?" - CORRECT ANSWER >>> B.
The load block contacts the boom point sheaves Lifting 20,000 lbs with a 2-leg bridle sling at a 30° horizontal sling angle, what
is the force applied to each leg? - CORRECT ANSWER >>> 20,000 lbs.
In multiple crane lifts using an equalizer beam, the weight of the beam
should be considered: - CORRECT ANSWER >>> Part of the load weight
What is required if there is deviation from the lift plan? - CORRECT
ANSWER >>> A new lift plan
On level ground using skids and rollers, what percent of the weigh of the load
should yield the required line pull as a general rule of thumb? - CORRECT
ANSWER >>> 5%
All of the following are results of unbalanced reeving of the block except: -
CORRECT ANSWER >>> Wear on the hook
Before a spreader bar or beams can be used they MUST have been: -
CORRECT ANSWER >>> Tested and approved
When materials are being hoisted to an upper level, a tag line is used to: -
CORRECT ANSWER >>> Help control the load
Before performing pick and carry operations with any mobile crane, it is
important to: - CORRECT ANSWER >>> Refer to the manufacturer's
capacity chart.
According to ASME B30.5, a two crane lift is signaled by: - CORRECT
ANSWER >>> One designated person
What is the primary concern when working with a high boom angle? -
CORRECT ANSWER >>> Backward stability
ON multiple crane lifts, the load on each crane should NOT exceed what
percentage of capacity? - CORRECT ANSWER >>> 75%
What are lifting lugs? - CORRECT ANSWER >>> Eyelets welded to steel
plate for lifting. The formula for determining stress on a snatch block performing a vertical lift is: line pull x block factor = block load. What must be done to calculate the
formula? - CORRECT ANSWER >>> Multiply the load weight by the
coefficient of friction to determine line pull, and then use the standard formula. If both fists are placed in front of your body with your thumbs pointed
outward, the crane operator should: - CORRECT ANSWER >>> Extend
the boom sections.
What is the maximum percent of the rated capacity of a crane that can be
used to lift personnel? - CORRECT ANSWER >>> 50%
When does lightning present the greatest hazard to crane and regging
personnel? - CORRECT ANSWER >>> When thunder and lightning are
apparent. What force would be required to move an object up an inclined plane
compared to lifting it vertically? - CORRECT ANSWER >>> 1 1/2 times
more.
Personnel platforms shall NOT be used to lift: - CORRECT ANSWER
>>> Tools and materials without employees
All of the following are reasons for stopping personnel lifting operations
EXCEPT: - CORRECT ANSWER >>> There are no tag lines.
When working in close quarters, the main concern is: - CORRECT
ANSWER >>> Safety
The point of any objects weight can be assumed to be concentrated at: -
CORRECT ANSWER >>> Center of gravity
In a spur-gear chain hoist with a two chain system, the endless chain is used
to: - CORRECT ANSWER >>> Raise and lower the load
In the term D/d ratio, the d is an abbreviation for? - CORRECT ANSWER
>>> Diameter
A document that outlines weights, crane configuration and rigging
requirements for a lift is? - CORRECT ANSWER >>> Lift plan
When using a 1-inch wire rope sling in a vertical basket hitch lifting a 24 ft, 36
inch diameter pipe - CORRECT ANSWER >>> 36 - 1
What is an LMI - CORRECT ANSWER >>> Load moment indicator
Location of electrical hazards on the job site should be documented on a: -
CORRECT ANSWER >>> Lift plan
When forming a lift plan, a primary concern for the person doing the rigging
is: - CORRECT ANSWER >>> Capacity of rigging
When using a wedge socket, the dead end of the rope is secured in the
socket by the: - CORRECT ANSWER >>> Wedge
When erecting or stowing a swing-away lattice extension, what should be
used to control the movement of the extension? - CORRECT ANSWER
>>> Tag line
Planning for rigging is required: - CORRECT ANSWER >>> Only when
lifting any load
A lift plan must be completed by a: - CORRECT ANSWER >>> Supervisor
Anchorage point for fall arrest for a single person must be able to hold? -
CORRECT ANSWER >>> 5000 lbs.
When of the following items are used for heavy rigging? - CORRECT
ANSWER >>> Slings, shackles and spreader beam
If the jacket of a synthetic round sling is damaged, that sling should be: -
CORRECT ANSWER >>> removed from service immediately
Which of the following is not a factor when making submerged lifts? -
CORRECT ANSWER >>> water temperature
When a tugger is mounted where the operator can NOT see the load, the
signal person must use: - CORRECT ANSWER >>> Signals used for
cranes
Who can design a personnel platform? - CORRECT ANSWER
>>> Qualified personnel
A one inch, 3 leg bridle wire rope sling rigged at 45° angle is good for 18 tons.
The addition of a fourth leg will increase your capacity by: - CORRECT
The person in charge of planning a critical lift is the: - CORRECT
ANSWER >>> Rigging superintedant
During a critical lift, the only person(s) who may give signals to the crane
operator is/are the: - CORRECT ANSWER >>> designated, qualified
signalers
Sling lengths need to be long enough to ensure that the horizontal angle is
greater than: - CORRECT ANSWER >>>
The device used as an alternative to a freestanding tower crane where lower
erection height allows its use is a - CORRECT ANSWER >>>
On multiple-crane lifts, the load on each crane should be no more than: -
CORRECT ANSWER >>>
The net capacity of crane one is 130,000 lbs. The net capacity of crane two is 90,000 lbs. The weight of the load is 145,000 lbs. The weight of the equalizer beam is 3000 lbs. The distance between the hook blocks is 25 ft. The loads
pickup point on the equalizer beam is: - CORRECT ANSWER >>>
If the gross capacity of a crane is 75,000 lbs. and the total weight of the
deductions is 4500 lbs. The net capacity of the crane in this configuration is: -
CORRECT ANSWER >>>
If the net capacity of a crane in a particular configuration is 85,000 lbs and
the total weight of deductions is 6,400 lbs, the gross capacity is: -
CORRECT ANSWER >>>
When lifting from a jib of a lattice boom crane, the line to the jib top is
considered part of the effective weight of: - CORRECT ANSWER >>>
- CORRECT ANSWER >>> | P a g e
