With Correct Verified Answers ) Simplified And
Summarized, A+ Graded 100% Verified
A crane must always have at least of a tank of fuel or it is considered a deficiency by OSHA
- ANSWER 50%
Most common type of cause of accident - ANSWER Hit by falling object - 43%
Metal fatigue - ANSWER A crane overloaded will lif t successfully right up until the day it fails
with only a fraction of its true capacity
An underqualified or incompetent rigger can cause accidents due to the following : - ANSWER -
Improper Calculations
-Poorly maintained rigging equipment
-Bad technique
An underqualified signal person can cause accidents due to the following : - ANSWER -Non
standard or wrong signals
-Not following laws and company procedures
-Not checking radios or proper function
-Dereliction of duties
Do not keep hook attached to load while travelling with load on deck of a
- ANSWER Carry deck crane
Do cranes need a fire extinguisher in the cab ? - ANSWER Yes a 10 B-C
,RT Cranes (Rough Terrain) - ANSWER are only rated for pick and carry operations
have been known to tip over backwards with no load
Outrigger floats must be secured to - ANSWER pads
A durable legible must be secured to the crane - ANSWER load chart
Unless approved by the manufacturer
are not supposed to lift over the front - ANSWER Carrier mounted telescopic
cranes
A crane that performs drag line, clam shell, drop ball magnet, container handling, concrete
bucket, and marine operations - ANSWER does not require ant i two block warning (unless pile
driving or hoisting people)
Crawler cranes - ANSWER can be center mounted or offset mounted
Never assemble a crane - ANSWER under
power lines
Assembly / Disassembly Specific Hazards - ANSWER -Ground Conditions
-Blocking
-Location of Blocking
-Verify assist crane loads
-Boom and Jib pick points
-Center of Gravity
, -Stability upon pin removal
-Snagging
-Struck by counterweights
-Boom hoist brake failure
-Loss of backward stability
-Wind speed or weather
-Cantilevered boom sections cant exceed rating for sections
Initial Inspection - ANSWER Performed after manufacture
Frequent Inspection - ANSWER Performed each shif t or monthly
Periodic Inspection - ANSWER Performed once within a 12 month period depending on use
severity
post assembly Inspection - ANSWER After assembling a crawler crane
Wire Rope Inspection - ANSWER Inspected before or during each shift, month and annually
Who created the Hand Signals for cranes used in Massachusetts? - ANSWER ANSI and ASME
OSHA states a crane that has a repair of a load bearing item other than wire rope should be
- ANSWER load tested
Load tests must be conducted with of the cranes capacity - ANSWER 110%