GENERAL CRANE SAFETY EXAMS WITH ACTUAL
CORRECT (130) QUESTIONS AND VERIFIED DETAILED
RATIONALES ANSWERS LATEST UPDATE 2024|100%
ACCURATE |ALREADY GRADED A+
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
D) so the crane operator can place a side pull on the crane
, A) to avoid side loading of the boom and dragging the load as it is picked up
Crane Configuration: The Grove RT740 is equipped with a stowed tele-offsettable boom extension. The
whip line with a 7 1/2 ton headache ball is reeved over the auxiliary boom nose. The main block is a 45-
ton 3-sheave w/cheekplates.
Use the Grove RT-740 Rough Terrain Load Chart to answer this question:
Find the gross capacity for the main hook reeved with 6 parts of line using a 75-foot boom length and
lifting at a maximum radius of 32 feet.
A) 17,400 pounds
B) 17,985 pounds
C) 20,400 pounds
D) 21,050 pounds
E) 23,800 pounds
incorrect
C) 20,400 pounds
When pre-planning a lift with a mobile crane, which of the following is the LEAST important information
the crane operator must know?
A) the total weight of the lift, including the rigging/lifting gear
B) the maximum height that the load will be raised
C) the latest maintenance service date for the crane
D) the maximum radius at which the crane will be working
E) the path that the load will be lifted from, carried through, and placed in
C) the latest maintenance service date for the crane
Commercial truck-mounted cranes having telescoping or articulating booms and a capacity of less than
2,000 pounds are classified as
cranes.
A) Category 1
B) Category 2
C) Category 3
D) Category 4
A) Category 1
An OET Bridge crane with a rated capacity of 16,000 pounds is a__________crane.
A) Category 1
B) Category 2
C) Category 3
D) Category 4
B) Category 2
What is the crane communications hand signal pictured with the arm extended to the side, the fist
closed, and the index finge pointing outward?
A) Use whip hoist
CORRECT (130) QUESTIONS AND VERIFIED DETAILED
RATIONALES ANSWERS LATEST UPDATE 2024|100%
ACCURATE |ALREADY GRADED A+
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
D) so the crane operator can place a side pull on the crane
, A) to avoid side loading of the boom and dragging the load as it is picked up
Crane Configuration: The Grove RT740 is equipped with a stowed tele-offsettable boom extension. The
whip line with a 7 1/2 ton headache ball is reeved over the auxiliary boom nose. The main block is a 45-
ton 3-sheave w/cheekplates.
Use the Grove RT-740 Rough Terrain Load Chart to answer this question:
Find the gross capacity for the main hook reeved with 6 parts of line using a 75-foot boom length and
lifting at a maximum radius of 32 feet.
A) 17,400 pounds
B) 17,985 pounds
C) 20,400 pounds
D) 21,050 pounds
E) 23,800 pounds
incorrect
C) 20,400 pounds
When pre-planning a lift with a mobile crane, which of the following is the LEAST important information
the crane operator must know?
A) the total weight of the lift, including the rigging/lifting gear
B) the maximum height that the load will be raised
C) the latest maintenance service date for the crane
D) the maximum radius at which the crane will be working
E) the path that the load will be lifted from, carried through, and placed in
C) the latest maintenance service date for the crane
Commercial truck-mounted cranes having telescoping or articulating booms and a capacity of less than
2,000 pounds are classified as
cranes.
A) Category 1
B) Category 2
C) Category 3
D) Category 4
A) Category 1
An OET Bridge crane with a rated capacity of 16,000 pounds is a__________crane.
A) Category 1
B) Category 2
C) Category 3
D) Category 4
B) Category 2
What is the crane communications hand signal pictured with the arm extended to the side, the fist
closed, and the index finge pointing outward?
A) Use whip hoist
