RIGGING PRACTICES COURSE EXAM -

RIGGING PRACTICES COURSE EXAM -

EXAM 100 QUESTIONS AND CORRECT DETAILED

ANSWERS|AGRADE||BRAND NEW!!

given a 1/2 in steel walled empty cylindrical tank that is opened at one end, calculate its weight (round answer to the nearest hundred) - ANSWER- 1800 lbs

a crane accident occurs when any one of the elements in the crane operating envelope fails to perform correctly during crane operations,

maintenance, or testing, which results in any of the following except: -

ANSWER- over rigging the load

a straight-line hitch is good for _____ of a sling rated load? - ANSWER- 100%

there are three slings hanging from a hook. each sling has a rated capacity of 2,000 lbs. what is the heaviest load that could be lifted using these slings if they were attached to a single point - ANSWER- 2000 lbs

why must hoisting be stopped once the load is completely off the ground? - ANSWER- to determine sling angle stress

the minimum crane team consist of ? - ANSWER- the crane operator and rigger-in-charge

while traveling a crane with a load, loads should be kept? - ANSWER- as low as possible

attachment points must be visually inspected? - ANSWER- before and after each use

when rigging your own loads, you are responsible for? - ANSWER- all of the above

rigging gear test and inspection records must include: - ANSWER- all of

the information listed above

the crane operator is responsible for the safe _____ of the crane - ANSWER- operation

if a crane team member sees an obstruction in the crane operating envelope that could pose a threat to the crane operations, what course of action is the best to take? - ANSWER- notify the operator and work cautiously near the obstruction

what is the minimum distance any part of the crane or load may approach an energized power line under 50,000 volts during a proposed operation? - ANSWER- 20ft

according to the NAVFAC P-307, what are the two types of crane lifts ?

• ANSWER- complex and non complex

according to the NAVFAC P-307, what are the two types of crane lifts ?complex and non complex

according to the NAVFAC P-307, which of the following is a primary responsibility of the rigger in charge establish the method of communications and provides a signal to the operator

an angular pull of 45 degrees is allowed on non shouldered type eye bolts?false

anti-two block devices are operational safety devices that can fail and must not be relied upon to stop movement of the hoist?true

the area of this triangle with dimensions givens in feet is:

24 square feet

attachment points must be visually inspected?before and after each use

a box has 27 cubic ft of sand in it. sand weighs 105 lbs per cubic ft. the box weighs 1,200 lbs empty. the correct equation to find the total weight is?27x105=2,835+1,200= 4,035 lbs

calculate the tension in leg A 1607

the category for this crane (20000k) category 3

category of crane (white truck) category 4

the category of crane (yellow truck) a category 1

a crane accident occurs when any one of the elements in the crane operating envelope fails to perform correctly during crane operations,

maintenance, or testing, which results in any of the following except:

over rigging the load

the crane operator is responsible for the safe _____ of the crane operation

a crane with capacity of 100,000 lbs is performing a lift of 90,000 lbs is an?complex lift

distorted or twisted rigging hardware must be removed from service

for mobile crane working at maximum radius, exceeding what percentage of the cranes capacity requires the radius to be verified?80%

given a 1/2 in steel walled empty cylindrical tank that is opened at one end, calculate its weight (round answer to the nearest hundred) 1800 lbs

the goal of the rigging gear test and inspection program is to prevent personnel injury identify sub-standard equipment

gross capacity on a load chart refers to the amount of weight that can be lifted by the crane before deductions are subtracted

if a crane team member sees an obstruction in the crane operating envelope that could pose a threat to the crane operations, what course of action is the best to take?notify the operator and work cautiously near the obstruction