General crane safety EXAM Sample Questions And Solutions
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General crane safety
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General Crane Safety
General crane safety EXAM Sample
Questions And Solutions
All of the following require a license to operate EXCEPT a(n)-
A) Cab-operated category 3 bridge crane
B) Mobile hydraulic truck crane
C) Non-cab operated category 3 bridge crane
D) Articulating boom category 4 crane
E) F...
General crane safety EXAM Sample
Questions And Solutions
All of the following require a license to operate EXCEPT a(n)-
A) Cab-operated category 3 bridge crane
B) Mobile hydraulic truck crane
C) Non-cab operated category 3 bridge crane
D) Articulating boom category 4 crane
E) Floor-operated category 2 bridge crane - ANSWER C) Non-cab operated category 3
bridge crane
Which of the following lift types would NOT be considered a complex lift?
A) Multiple-crane lifts
B) Oxygen/Acetylene bottles in racks designed for lifting
O C) Large geometric shapes
D) Loads with multi-level attachment points
E) Hazardous or explosive materials - ANSWER B) Oxygen/Acetylene bottles in racks
designed for lifting
What is the minimum amount of rope that shall be on a grooved drum and a smooth
drum?
A) There is no minimum
B) 4 full wraps, 2 full wraps
C) 2 full wraps, 3 full wraps
D) 6 full wraps, 4 full wraps
E) 1 full wrap, 2 full wraps - ANSWER B) 4 full wraps, 2 full wraps
The horizontal distance from the center of rotation of the crane to the center of the hoist
line(s) with load applied is called
A) Boom Length
B) Radius
C) Lift Zone
D) Quadrant
E) Circumference - ANSWER B) Radius
What is two-blocking, and why is two-blocking dangerous?
A) Two-blocking occurs when the hook contacts another block or hook on the crane. It
is dangerous because the hook could damage the crane, causing loss of load control.
B) Two-blocking occurs when the block or hook contacts the ground.
It is dangerous because the wire rope may come off of the drum and drop the block.
C) Two-blocking occurs when the hook block comes in contact with the upper sheave
block during hoisting of the hook. It is dangerous because it could result in damage to
,the crane, parting of the hoist lines, and dropping the load. - ANSWER C) Two-blocking
occurs when the hook block comes in contact with the upper sheave block during
hoisting of the hook. It is dangerous because it could result in damage to the crane,
parting of the hoist lines, and dropping the load.
When should a tagline be used during lifting operations?
A) when lifting a load over or near electrical transmission lines
B) to prevent the load from swinging or rotating
C) when the supervisor approves their use
D) only when lifting the load to extreme heights - ANSWER B) to prevent the load from
swinging or rotating
What is the weight of a 24 square foot, 2 inch thick aluminum plate with a unit weight of
15 lbs. per square foot of material per inch of thickness?
A) 348 pounds
B) 720 pounds
C) 6,720 pounds
D) 60 pounds
E) 120 pounds - ANSWER B) 720 pounds
The two expiration dates that are of particular importance to crane operators are-
A) Vehicle registration expiration date
B) Hydraulic oil expiration date
C) CAC card expiration date
D) The certification expiration date of the crane
E) The crane operator's license expiration date - ANSWER D) The certification
expiration date of the crane
E) The crane operator's license expiration date
Which of the following is NOT an acceptable method of communication between the
signal person and the crane operator?
A) Signal Flags
B) Direct Voice
C) Hand Signals
D) Sound-powered Phones
E) Approved Radios - ANSWER A) Signal Flags
What is a jib boom?
A) A boom that is attached to the main boom to allow rotation of the load
B) An extension attached to the main boom used when lifting light loads to a higher
elevation than that permitted by the main boom
C) A boom that is used to lift extremely heavy loads - ANSWER B) An extension
attached to the main boom used when lifting light loads to a higher elevation than that
permitted by the main boom
, If you find cracking or flaking paint on a welded joint of a structural component on the
boom, you should
A) Look closer to see if it is a crack.
B) Report it immediately to your supervisor.
C) Do nothing as it is not significant.
D) Make a mental note to investigate it later.
E) Note it on the ODCL, but do not report it. The minimum crane team for a mobile
crane on outriggers would consist of-
A) The Crane Operator, Rigger Supervisor, and Crane Rigger
B) The Crane Operator, Crane Supervisor, Rigger Supervisor, and
Crane Rigger
C) The Crane Operator, Crane Supervisor, and Crane Rigger
D) The Crane Operator and Rigger-in-Charge
E) The Crane Operator, Crane Walker, and Crane Rigger - ANSWER C) The Crane
Operator, Crane Supervisor, and Crane Rigger
When operating floating cranes, you must start swinging or rotating quickly and stop
smoothly to prevent excessive barge list.
A) True
B) False - ANSWER B) False
Extending a telescoping boom without lowering the hoist may result in "two-blocking"
the crane.
A) True
B) False - ANSWER A) True
While performing a pre-use check, the operator must check the wire rope system for all
of the following EXCEPT-
A) Excessive corrosion
B) Damage of any kind
C) Size and grade of wire rope
D) Proper sheave movement
E) Proper spooling on the drum - ANSWER C) Size and grade of wire rope
All of the following are principle parts of an overhead traveling crane EXCEPT-
A) Operator's cab or pendant control
B) End trucks
C) Shackles and eyebolts
D) Bridge girders
E) Trolley with hoisting mechanism - ANSWER C) Shackles and eyebolts
If you find a deficiency that will affect the safe operation of the crane during the pre-
operational check, all of the following actions must be taken EXCEPT-
A) Operate that specific function again to ensure there is a problem
B) Notify your supervisor
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