QUESTIONS WITH SOLUTIONS GUARANTEE A+
✔✔New shackles put into the weight handling equipment program are required to have
all of the following markings EXCEPT-
A) Date of manufacture
B) Rated load
C) Manufacturer name, logo, or trademark - ✔✔C) Manufacturer name, logo, or
trademark
✔✔Manufacturer's load rating charts for cranes must be-
A) Posted outside the cab
B) Visible to the Crane Rigger
C) Available from the engineering department
D) Avallable from the supervisor
E) Visible to the operator - ✔✔E) Visible to the operator
✔✔Why should crane swing be relatively slow?
A) so that the crane can be operated for longer periods
B) to prevent outward swing of the load due to centrifugal force
C) to keep the operator from having to correct misalignment
D) to prevent the load from falling out of the rigging gear - ✔✔B) to prevent outward
swing of the load due to centrifugal force
✔✔A commercial truck mounted crane with a capacity of 14,000 pounds is
a______crane.
A) Category 1
B) Category 2
C) Category 3
D) Category 4 - ✔✔D) Category 4
✔✔What is the definition of "boom length"?
A) the distance from the boom "heel" or "foot" pins to the jib attachment pins
B) the distance from the rotate base to the center of the boom tip sheave
C) the distance from the center of rotation on the crane to the center of the boom tip
sheave
D) the distance from the boom "heel" or "foot" pins to the center of the boom tip sheave
- ✔✔D) the distance from the boom "heel" or "foot" pins to the center of the boom tip
sheave
✔✔On cranes, lowering the boom with the hook blocks raised will most likely result in
A) tipping
B) two-blocking
C) overloading
D) insufficient hook height
,E) none of the above - ✔✔B) two-blocking
✔✔Is it necessary for the operator to see the load or work area?
A) Not if there is a designated signal person who is in control of the lift and is in view of
the operator, or if the signal giver is in constant radio contact with the operator.
B) Not if the operator knows how far to hoist or lower the load.
C) Yes, at all times during a lift. - ✔✔C) Yes, at all times during a lift.
✔✔A floating crane with a capacity of 200,000 pounds is a ________crane.
A) Category 1
B) Category 2
C) Category 3
D) Category 4 - ✔✔A) Category 1
✔✔What is the minimum required clearance when operating a crane in the vicinity of
overhead electrical transmission lines with a voltage of 50,000 volts or less?
A) 5 feet
B) 10 feet
C) 20 feet
D) 30 feet
E) 40 feet - ✔✔B) 10 feet
✔✔Which of the following steps DOES NOT apply to securing lattice boom cranes?
A) Place the boom at approximately 45 degrees
B) Disengage the master clutch
C) Lock down all foot brakes
D) Retract the boom fully
E) Engage all hoist pawls - ✔✔E) Engage all hoist pawls
✔✔The maximum capacity for a crane can be limited by the number of parts of wire
rope reeved between the hook block and hoisting sheaves.
A) True
B) False - ✔✔A) True
✔✔What is the bridge crane communications hand signal pictured with the palms up,
fingers closed, thumb pointing in the direction of motion, and jerking horizontally?
A) Bridge travel
B) Trolley travel
C) Hoist
D) Move slowly
E) Swing - ✔✔B) Trolley travel
✔✔When can an unlicensed crane operator trainee operate a crane?
A) When their supervisor tells them to operate a crane
, B) When he or she needs to operate a crane to get the job done
C) In an emergency
D) Only under the direct observation of a licensed operator - ✔✔D) Only under the
direct observation of a licensed operator
✔✔Sling angles affect the actual stress on each leg of the sling. Lowering the angle
measured from the horizontal will-
A) Not change the actual stress on each leg
B) Double the stress on each leg
C) Cause the sling to be overloaded
D) Increase the stress on each leg
E) Decrease the stress on each leg - ✔✔D) Increase the stress on each leg
✔✔Side loading a crane boom by dragging loads or lifting a load with a non-vertical
hoist may result in
A) Destructive stresses placed on the boom and sheaves
B) Possible overload due to swinging of the load after lift-off
C) Uncontrolled movement of the load and injury to personnel
D) Any of the listed factors above - ✔✔D) Any of the listed factors above
✔✔A pillar-jib crane with a capacity of 22,000 pounds is a crane.
A) Category 1
B) Category 2
C) Category 3
D) Category 4 - ✔✔B) Category 2
✔✔Crane operators are responsible for all of the following EXCEPT-
A) Doing a thorough pre-use check
B) Maintaining constant communication with the signalman
C) Lifting and landing all loads safely
D) Slowing down when signals are unclear - ✔✔D) Slowing down when signals are
unclear
✔✔How is electrical current conveyed from the revolving portion of the crane to the
lower crane structure?
A) through the electrical panels
B) through transistors
C) through the main circuit board
D) through the collector ring system - ✔✔D) through the collector ring system
✔✔Why should the hook be positioned directly over the load when attaching the load?
A) to avoid side loading of the boom and dragging the load as it is picked up
B) to make it harder to attach the rigging gear to the load
C) so the Riggers can drag the load into place