NCCCO TELESCOPIC BOOM CRANE SWING
CAB TLL AND CORE SITE WINTER
CERTIFICATION COMPREHENSIVE TEST
QUESTIONS AND CORRECT ANSWERS
GRADED A+
⩥ Which one of the following persons are not allowed in the fall zone?
Answer: a. Person hooking or unhooking load
b. A Person guiding the load
c. ***A qualified evaluator***
d. Concrete bucket operator
⩥ Within what percentage of level does a telescopic boom crane have to
be for the gross ratings in the load chart to remain valid?
Answer: 1%
⩥ According to OSHA , what must all jibs have?
Answer: Positive stops.
⩥ Timber blocking placed under the tips of the tracks on a crawler crane
will:
Answer: Make the crane more stable.
,⩥ According to OSHA, if the built-in level indicator on your crane is not
working properly, what must be done?
Answer: The level must be tagged out of service and an alternate means
must be used.
⩥ According to OSHA, if the LMI on your crane malfunctions during
the work shift, what should you do?
Answer: Notify the employers designated person in writing of the
problem, then verify the weight of the lift to be made, measure the
radius, and use the capacity chart to calculate the capacity.
⩥ When picking on rubber, what happens?
Answer: Boom angle decreases.
⩥ When considering the suspension system for a personnel platform,
according to ASME B30.23 what is not permitted?
Answer: Nylon or synthetic slings.
⩥ According to OSHA, who is responsible to notify the user of the crane
and the crane operator of any underground hazards?
Answer: The site controlling entity.
⩥ Who is responsible to do the shift inspection on a crane?
,Answer: A competent person.
⩥ The load chart capacities are based on either structural integrity or:
Answer: Stability
⩥ Blank
Answer: Blank
⩥ What hand signal does a signal person want the operator to perform
when he has his arm extended thumb pointing up and his index fingers
opening and closing?
Answer: Boom up and lower the load.
⩥ When is it acceptable for an operator to leave the cab of a crane with a
load suspended?
Answer: Barricades or caution lines, and notices, are erected to prevent
all employees from entering the fall zone and where the weight of the
working gear is negligible relative to the lifting capacity and is
suspended over an area other than an entrance and or exit.
⩥ As you boom down, leverage on a crane will:
Answer: Increase
, ⩥ Who ensures the area where the crane will be set up is adequately
prepared?
Answer: The site supervisor.
⩥ Where would the greatest ground pressure be when considering a
crawler crane?
Answer: Boom over the corner.
⩥ What is the reason crane manufacturers require a reduction in capacity
when doing duty cycle work?
Answer: Because of the more than normal side loading that can be
applied when doing duty cycle work.
⩥ What is the definition of radius?
Answer: Horizontal distance from the center of swing circle to the center
of the gravity of the load.
⩥ According to OSHA and ASME, what is the minimum number of
wraps that must remain on a grooved or smooth hoist or boom hoist
drum?
Answer: 2
⩥ What is the percentage of a vertical basket hitch capacity to that of a
vertical hitch capacity?
CAB TLL AND CORE SITE WINTER
CERTIFICATION COMPREHENSIVE TEST
QUESTIONS AND CORRECT ANSWERS
GRADED A+
⩥ Which one of the following persons are not allowed in the fall zone?
Answer: a. Person hooking or unhooking load
b. A Person guiding the load
c. ***A qualified evaluator***
d. Concrete bucket operator
⩥ Within what percentage of level does a telescopic boom crane have to
be for the gross ratings in the load chart to remain valid?
Answer: 1%
⩥ According to OSHA , what must all jibs have?
Answer: Positive stops.
⩥ Timber blocking placed under the tips of the tracks on a crawler crane
will:
Answer: Make the crane more stable.
,⩥ According to OSHA, if the built-in level indicator on your crane is not
working properly, what must be done?
Answer: The level must be tagged out of service and an alternate means
must be used.
⩥ According to OSHA, if the LMI on your crane malfunctions during
the work shift, what should you do?
Answer: Notify the employers designated person in writing of the
problem, then verify the weight of the lift to be made, measure the
radius, and use the capacity chart to calculate the capacity.
⩥ When picking on rubber, what happens?
Answer: Boom angle decreases.
⩥ When considering the suspension system for a personnel platform,
according to ASME B30.23 what is not permitted?
Answer: Nylon or synthetic slings.
⩥ According to OSHA, who is responsible to notify the user of the crane
and the crane operator of any underground hazards?
Answer: The site controlling entity.
⩥ Who is responsible to do the shift inspection on a crane?
,Answer: A competent person.
⩥ The load chart capacities are based on either structural integrity or:
Answer: Stability
⩥ Blank
Answer: Blank
⩥ What hand signal does a signal person want the operator to perform
when he has his arm extended thumb pointing up and his index fingers
opening and closing?
Answer: Boom up and lower the load.
⩥ When is it acceptable for an operator to leave the cab of a crane with a
load suspended?
Answer: Barricades or caution lines, and notices, are erected to prevent
all employees from entering the fall zone and where the weight of the
working gear is negligible relative to the lifting capacity and is
suspended over an area other than an entrance and or exit.
⩥ As you boom down, leverage on a crane will:
Answer: Increase
, ⩥ Who ensures the area where the crane will be set up is adequately
prepared?
Answer: The site supervisor.
⩥ Where would the greatest ground pressure be when considering a
crawler crane?
Answer: Boom over the corner.
⩥ What is the reason crane manufacturers require a reduction in capacity
when doing duty cycle work?
Answer: Because of the more than normal side loading that can be
applied when doing duty cycle work.
⩥ What is the definition of radius?
Answer: Horizontal distance from the center of swing circle to the center
of the gravity of the load.
⩥ According to OSHA and ASME, what is the minimum number of
wraps that must remain on a grooved or smooth hoist or boom hoist
drum?
Answer: 2
⩥ What is the percentage of a vertical basket hitch capacity to that of a
vertical hitch capacity?
