Pregunta 1
Pregunta
Overhead cranes with more than one hoisting unit shall have....
Pregunta 2
Pregunta
What is the purpose of the "E' (emergency) stop on an overhead crane?
Respuesta
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Removes power to hoists only
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removes power to entire bridge
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removes power to trolley only
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removes power to entire crane
Pregunta 3
Pregunta
how often does OSHA require a wire rope inspection?
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once a shift
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once a week
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once a month
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once a quarter
Pregunta 4
Pregunta
Most loads should be rigged to within how many degrees of level?
Pregunta 5
Pregunta
According to ASME B30.2, what is the safety factor for rigging?
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3 to 1
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4 to 1
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5 to 1
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6 to 1
Pregunta 6
Pregunta
According to OSHA frequent inspections shall be performed
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monthly to annually
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daily to monthly
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hourly to daily
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daily to weekly
Pregunta 7
Pregunta
According to ASME B 30.2 a frequent inspection must be performed by a
Respuesta
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competent person
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designated person
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qualified person
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authorized person
Pregunta 8
Pregunta
According to ASME B30.2, the maximum twist of the hook can't exceed ?
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25 degrees
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10 degrees
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15 degrees
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20 degrees
Pregunta 9
Pregunta
When inspecting electrical contacts, what are the signs they are bad?
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pitted or burned
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discolored
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springs are taut
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makes sparks
Pregunta 10
Pregunta
According to ASME B30.2, what type of fire extinguisher is required for overhead cranes?
Pregunta 11
Pregunta
Before leaving an overhead crane unattended, attached loads should be ?
Pregunta 12
Pregunta
Before using your hand to steady any load, you should?
Pregunta 13
Pregunta
According to OSHA, the rated capacity of all overhead cranes shall be
Respuesta
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clearly marked on the side of the crane
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filed in supervisors office
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clearly marked on shipping papers
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filed in crane owners office
Pregunta 14
Pregunta
When attaching spreaders to any load, you must keep in mind that,
Respuesta
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the higher the spreader angle the greater the tension
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the lower the spreader angle the lesser the tension
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the higher the spreader angle the tension will remain the same
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the lower the spreader angle the greater the tension
Pregunta 15
Pregunta
By order of hitch strength, which is correct?
Respuesta
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choker, basket, vertical
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basket, choker, vertical
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basket, vertical, choker
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vertical, basket, choker
Pregunta 16
Pregunta
According to OSHA, the maximum hook throat opening must not exceed
Respuesta
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5% of its original size
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10% of its original size
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15% of its original size
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20% of its original size
Pregunta 17
Pregunta
According to OSHA, how many wraps must be left on a hoist drum of an overhead crane with the hook at its lowest position?
Respuesta
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1 wrap
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2 wraps
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3 wraps
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4 wraps
Pregunta 18
Pregunta
The upper limit switch of all overhead cranes shall be tested every
Pregunta 19
Pregunta
Vertical movement of an overhead crane is controlled by the
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trolley controller
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hoist controller
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bridge controller
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travel controller
Pregunta 20
Pregunta
A swinging load should be controlled by the ?
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bridge and trolley controller
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trolley and hoist controller
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bridge and hoist controller
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limit switch and hoist controller
Pregunta 21
Pregunta
What should be the first step in a daily inspection of an overhead crane?
Pregunta 22
Pregunta
What should be done with an unbalanced load?
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lower load to floor
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sound safety device
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increase operating speed
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reduce operating speed
Pregunta 23
Pregunta
When making a lift, where should the load block be positioned?
Respuesta
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horizontal to the load attachment points
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horizontal to the center of gravity
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vertically over the load's center of gravity
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vertically over the load
Pregunta 24
Pregunta
When energizing the crane, the controller should be in what position?
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hoisting
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lowering
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trolley
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neutral
Pregunta 25
Pregunta
According to A.S.M.E., warning signals shall be given when
Pregunta 26
Pregunta
According to A.S.M.E. B30.1, an overhead crane equipped with a lower limit device can have how many wraps left on the drum at its lowest point
Pregunta 27
Pregunta
According to OSHA, the proper time to check the hoist brake is
Respuesta
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before making a lift
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during an inspection
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during the first lift
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lowering the first lift
Pregunta 28
Pregunta
In the event of an emergency, who may give the stop signal?
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foreman
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supervisor
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anyone
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safety officer
Pregunta 29
Pregunta
According to ASME B30.2, before lifting a load the hoist ropes will be free of kinks and
Pregunta 30
Pregunta
The purpose of the upper limit switch is to
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limit bridge travel
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limit trolley travel
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limit hoist travel
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limit upper span
Pregunta 31
Pregunta
According to OSHA, the operator shall not hoist loads above
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open areas
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personnel
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equipment
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walkways
Pregunta 32
Pregunta
Where should the hook block be positioned for shutdown?
Pregunta 33
Pregunta
Whose responsibility is it to select the proper rigging equipment
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supervisor
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plant manager
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plant safety
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operator
Pregunta 34
Pregunta
Before making a lift the operator must first determine
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placement of rigging
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weight of load
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placement of tag line
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attachment points
Pregunta 35
Pregunta
a wire rope designated as 6 X 19 has
Pregunta 36
Pregunta
What is the safe working load of a wire rope defined as ?
Respuesta
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breaking strength times safety factor
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breaking strength divided by safety factor
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breaking strength plus safety factor
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breaking strength subtracted from safety factor
Pregunta 37
Pregunta
The vertical movement of an overhead crane is controlled by the
Pregunta 38
Pregunta
swinging loads can be controlled by the use of the
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bridge or trolley controls
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bridge or hoist controls
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trolley or hoist controls
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limit switch and hoist controls
Pregunta 39
Pregunta
first step in daily inspection would be to check
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catwalk area and guardrails
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crane cab and trolley brakes
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controller position in neutral
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main switch locked in off position
Pregunta 40
Pregunta
If the load does not balance properly after being raised what steps should be taken
Pregunta 41
Pregunta
When making a lift what position should the trolley be in?
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vertical to the load
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horizontal to the load
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depends on load location
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makes no difference
Pregunta 42
Pregunta
What position should all controllers be in when energizing
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the raised postion
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the lowered position
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either raised or lowered
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either neutral or off
Pregunta 43
Pregunta
ASME B.30.2 states that the minimum number of wraps one the hoisting drum should never be less than _______ unless a lower limit device is provided
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1 wrap
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2 wraps
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3 wraps
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4 wraps
Pregunta 44
Pregunta
Before leaving a crane cab unattended any attached load shall be
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suspended
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vertical
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horizontal
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landed
Pregunta 45
Pregunta
What is the purpose of the upper limit switch? (the only one required by OSHA)
Pregunta 46
Pregunta
When any machinery or apparatus is found to be defective or inoperative on the crane the person discovering this condition should
Pregunta 47
Pregunta
When loss of power occurs the crane operator should
Respuesta
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wait for power to be restored
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install larger fuses
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put controllers in the off position
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attempt to locate the problem
Pregunta 48
Pregunta
A floor weight limitation is posted at 700 pounds per square foot maximum. Before lowering a load down onto this floor that is calculated at 900 pounds per square foot. What must be done?
Respuesta
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lower the load at slower rate
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install cribbing to increase surface bearing area
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install cribbing to decrease surface bearing area
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install cribbing to maintain the same amount of surface bearing area
Pregunta 49
Pregunta
The term lay length when referring to wire rope if equal to
Pregunta 50
Pregunta
According to OSHA rated capacity rigging charts will aid you when ?
Respuesta
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determining the weight of the load
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determining the load's center of gravity
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determining the rigging equipment manufacturer date
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determining if the rigging equipment meets all criteria establish by law
Pregunta 51
Pregunta
If possible always try to keep horizontal sling angles
Respuesta
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less than 30 degrees
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greater than 30 degrees
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less than 60 degrees
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greater than 60 degrees