PREP QUESTIONS &
ANSWERS(RATED A+)
A crane must always have at least ____ of a tank of fuel or it is considered a
deficiency by OSHA - ANSWER50%
Most common type of cause of accident - ANSWERHit by falling object - 43%
Metal fatigue - ANSWERA crane overloaded will lift 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 _________
_________ _________ - ANSWERCarry deck crane
Do cranes need a fire extinguisher in the cab ? - ANSWERYes a 10 B-C
RT Cranes (Rough Terrain) - ANSWERare only rated for pick and carry operations
have been known to tip over backwards with no load
Outrigger floats must be secured to ______ - ANSWERpads
A durable legible _______ _______ must be secured to the crane - ANSWERload
chart
Unless approved by the manufacturer ____________ ______________
_____________ ___________ are not supposed to lift over the front -
ANSWERCarrier mounted telescopic cranes
A crane that performs drag line, clam shell, drop ball magnet, container handling,
concrete bucket, and marine operations - ANSWERdoes not require anti two block
warning (unless pile driving or hoisting people)
Crawler cranes - ANSWERcan be center mounted or offset mounted
, Never assemble a crane ______________ ____________ _______________ -
ANSWERunder 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 - ANSWERPerformed after manufacture
Frequent Inspection - ANSWERPerformed each shift or monthly
Periodic Inspection - ANSWERPerformed once within a 12 month period depending
on use severity
post assembly Inspection - ANSWERAfter assembling a crawler crane
Wire Rope Inspection - ANSWERInspected before or during each shift, month and
annually
Who created the Hand Signals for cranes used in Massachusetts? - ANSWERANSI
and ASME
OSHA states a crane that has a repair of a load bearing item other than wire rope
should be _________ __________ - ANSWERload tested
Load tests must be conducted with ______ of the cranes capacity - ANSWER110%
When load testing, _______________________________ - ANSWERKeep load
close to ground in case of failure. Do not test cranes with deficient load bearing
components.
Any item in an inspection found to be deficient and constitutes a safety hazard -
ANSWERMust be repaired prior to operation
Frequent Inspection items to check - ANSWER-Control mechanisms
-Control drive mechanisms
-Air and hydraulic systems for leaks
-Hydraulic fluid levels
-Hooks, latches
-Wire rope reeving