Which is not a safe operating practice:
a. using the tipping point of the crane to determine capactiy
b. avoiding sudden movements when operating controls
c. assuring the machine is in proper working order
d. observing and monitoring crane footing - answera
according to ASM B 30.5 safety standards a fire extinguisher must be available at all
operator stations or equipment cabs and must have a minimum rating of:
a 5 ABC
b. 20 ABC
c. 5 C
d. 10 BC - answerd
what is an LMI:
a. latest moment intensifier
b. load moment indicator
c. load magnet identifier
d. lifting magnet indicator - answerb
the effect on a crane when the load starts or stops is called:
a. anti two blocking
b. dynamic loading
c. variable load rate
d. going light - answerb
when operating an emergency stop signal must be obeyed when given by:
a. only the site supervisor
b. only the lift director
c. only the crane operator
d. any individual on site - answerd
the operator is responsible for all the following except
a communication with the signal person
b. verifying the signalpersons abilities
c. proper boom configuration
d. engineering the lift - answerd
when an outrigger or crawler unexpectedly loses support, the crane will experience an
immediate loss of stability. When this occurs the crane operator should:
a. raise the boom and lower the load
,b. boom down and maintain the load
c. lock the boom in place
d. contact the signal person - answera
which of the following will cause kinks in a wire rope?
a. loops turn too tightly
b. a small diameter
c. no fleet angle
d. a tight fleet angle - answera
before swinging the load, what should an operator do?
a. request permission from the lift direction
b. sound the horn
c. yell the word "swing"
d. indicate the direction of swing for the ground workers - answerb
when operating a crane near a 50 kilovolt power source what is the closest distance the
crane may be legally positioned?
a. 2.5 ft
b. 10 ft
c. you can't work near power lines
d. 50 kilovolts = 50 ft - answerb
under what conditions may blocking be placed under the outrigger beams?
a. when the ground is too soft for the outrigger pads
b. when you can't level the crane otherwise
c. when the outriggers jacks are disabled
d. never - answerd
lubricant used on wire rope must be a type that:
a. is sticky
b. can be sprayed on
c. does not hinder visual inspection
d. is manufactured by Lubriplate - answerc
what would most likely occur while lifting a load with a loosely wrapped wire rope on the
Hoist drum
a. shrinking of the wire rope will occur
b. damage will occur to the wire rope
c. the load will not raise
d. the anti two block will enable the drum brak - answerb
gears, pulleys, shaft, and other moving parts that can constitute a hazard shall be
guarded:
a. under any normal operating conditions
b. when the proximity of power lines
,c. when changing the oil
d. even when the crane is out of service - answera
on a pick and carry operation the operator should:
a. keep the boom as short as possible
b. work over the outriggers
c. work over the rear
d. extend the boom section only - answera
what will most likely happen to a crane if a heavy load is blown into the boom by the
wind?
a. nothing
b. the crane could drift
c. the boom could collapse
d. the load drum could release and drop the load - answerc
capacities appearing above the bold line or in a standard area of the load chart
represent the:
a. structural capacity
b. crane overload
c. distance to overload
d. the angle of the dangle - answera
the manufacturer must be contacted for replacement when which of the following
becomes illegible?
a. the manufacturers handwriting
b. load chart
c. bill of sale
d. bill of lading - answerb
what term describes what happens when the block is pulled up into the boom tip?
a. anti two blocking
b. two blocking
c. boom delction
d. load dynamic - answerb
how should hydraulic boom sections be extended?
a. boom functions don't need to be extended
b. extend the white section first
c. equally extend all sections
d. extend the yellow section first - answerc
load chart values apply only if the crane is:
a. level
b. off level
c. 90 deg of level
, d. structurally sound - answera
if you should contact the overhead power lines, the crane operator should not:
a. jump off the crane
b. remain in the operator's cab
c. climb up the crane
d. keep everyone away from the crane - answerc
who must know the details of a lift plan?
a. the field people
b. all personnel involved
c. the crane manufacturer
d. OSHA - answerb
personnel platforms shall not be used to lift:
a. materials
b. boom components
c. rigging
d. tools and materials without employees - answerd
what device may be used to estimate the weight of an object being lfited?
a. a bathroom scale
b. load cell
c. an anemometer
d. a potentiometer - answerb
a 1 in 3 leg Bridle wire rope sling rigged at a 45 deg angle is good for 18 tons the
addition of a fourth leg will increase your capacity by:
a. 0 lbs
b. 18 tons
c. 4.5 tons
d. 9 tons - answera
prior to operating an unfamiliar crane the operator should first read and understand the:
a. hand signals
b. operators manual
c. warning labels
d. site layout - answerb
other than in an emergency, who is authorized to remove a tag or lock placed on a
piece of equipment?
a. OSHA
b. the person who places the lock and tag on the equipment
c. the mechanic
d. the manufacturer - answerb
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