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General crane safety-122 Questions and Answers-100% Accurate.
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General crane safety-122 Questions and Answers-100% Accurate.
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General crane safety-122 Questions andAnswers-100% Accurate.
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 - -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 - -B) False
-Extending a telescoping boom without lowering the hoist may result in
"two-blocking" the crane.
A) True
B) False - -A) True
-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 - -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 - -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 - -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 - -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. - -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 - -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 - -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 - -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 - -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 - -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. - -B) Report it immediately to
your supervisor.
-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 - -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 - -C) Shackles and eyebolts
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