General crane safety-122 Questions and Answers-100% Accurate.
Question : 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
CORRECT ANSWER : C) The Crane Operator, Crane
Supervisor, and Crane Rigger
Question : When operating floating cranes, you must start
swinging or rotating quickly and stop smoothly to prevent excessive barge list. A) True B) False
CORRECT ANSWER : B) False
Question : Extending a telescoping boom without lowering
the hoist may result in "two-blocking" the crane. A) True B) False
CORRECT ANSW ER: A) True
Question : 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
CORRECT ANSWER : C) Non-cab operated category 3
bridge crane
Question : 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
CORRECT ANSWER : B) Oxygen/Acetylene bottles in
racks designed for lifting
Question : 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
CORRECT ANSWER : B) 4 full wraps, 2 full wraps
Question : 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
CORRECT ANSWER : B) Radius
Question : 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.
- 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.
CORRECT 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.
Question : 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
CORRECT ANSWER : B) to prevent the load from
swinging or rotating
Question : 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
CORRECT ANSWER : B) 720 pounds
Question : 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
