If you usually visit our website then you will know that we, Dongqi Group Henan Yuantai Crane Machinery Import & Exported Ltd., has posted lots of blogs about the crane operation, crane maintenance , crane operator safety training and so on.Now, you must be very familiar with the crane operation safety operation knowledge.
1. The crane is required to be inspected by the operator at least monthly
a. True
b. False
2. Before making a lift, the operator needs to consider
a. The path of travel
b. Size, weight and shape of the load
c. Type of rigging needed for a safe lift
d. All the above are correct.
3. It is ok to use the hoist line in a choker to lift some loads
a. True
b. False
4. The emergency crane shut-off should be clearly marked and the location known to the operator:
a. True
b. False
5. The crane operator is responsible for knowing the weight of the load before making a lift.
a. True
b. False
6. The most common cause of damage to wire rope on the crane is:
a. Corrosion
b. Broken wires
c. Crushing due to crossed wraps on the winch drum.
d. Overloading
7. Hook safety latches are safer but not required on the load hook.
a. True
b. False
8. The operator must always test the upper-limit switch before each shift.
a. True
b. False
9. A critical lift is:
a. A lift that is 75% or more of capacity
b. A lift of a load that is unstable or awkward
c. A two-crane lift
d. All of the above
10. Who is authorized to be under a load at any given time?
a. No one is allowed under the load
b. Only the riggers handing the load
c. Only job site personnel
d. Only those with hard hats
11. Who can give the crane operator an emergency stop signal?
a. The designated signal person
b. The site supervisor
c. Anyone on the site
d. The site safety manager
12. If the hook is located 18 inches north of the center of gravity, the load will
a. Swing 3 feet south when lifted
b. Swing 18 inches south when lifted
c. Swing 3 feet north when lifted
d. Swing 18 inches north when lifted
13. Stopping the load suddenly can:
a. Cause structural damage to the crane.
b. Remove any kinks in the wire rope
c. Help keep the wire rope spooled on the drum properly.
d. Answers b. and c. are correct.
14. How many signal persons should be designated to give hand signals to the operator:
a. One primary and one backup
b. Only one
c. All those who are handling the load can give hand signals.
d. Doesn’t matter.
15. The proper way to stop a load from turning is to
a. Quickly land the load
b. Move the load gently against a solid object
c. Use your hands to steady the load
d. Use a tagline
16. The operator may leave the crane with a load suspended in the air.
a. True
b False
17. When lifting near or at capacity, you should lift the load a few inches and test the brakes.
a. True
b. False
18. You should never walk backwards while guiding a load.
a. True
b. False
19. What is the number one cause of deaths involving overhead cranes?
a. Hoist line failure
b. Rigging failure
c. Electrocution
d. Being crushed by a moving load.
20. The safe working load of a crane is based primarily on
a. The safe working load of the I-beam it is hanging on
b. The safe working load of the hook
c. The safe working load of the hoist line
d. All of the above
21. The winch will always cut out before any structural damage to the crane can occur due to an overload.
a. True
b. False
22. The maximum capacity for the crane shall be:
a. Printed on the hook or block
b. In the office
c. In the vicinity of the crane
d. Visible to the operator
23. The weight of any rigging below the hook
a. Is included in the safe working load of the crane
b. Has no effect on the crane capacity
c. Shall be considered part of the load.
d. Is impossible to determine
24. Anyone that operates the crane must be trained
a. True
b. False
Have you finished this crane operator safety examination? Crane safety operating is very important so that we should give enough attention. If you want to know the answer, please leave message on our website.
