- What action does a signal person intend the operator to perform if he extends his arm at the shoulder height, makes a fist with his hand, and sticks his thumb up?
2. Within what percentage of level does a telescopic boom crane have to be for the gross ratings in the load chart to remain valid?
3. The load line of the crane you’re operating comes into contact with an energized power line. There’s no sign of any other danger, such as fire. In such a situation, you should:
4. You’re setting your crane up in a confined area and you cannot fully extend your fourth outrigger. Your crane does not have a load chart for intermediate extension working. In such a situation, you should use the capacities in the:
5. How many randomly distributed broken wires in rotation-resistant rope are causes for considering replacement of the rope?
6. Unless the manufacturer states otherwise, the net capacity of a crane on the main boom is the capacity listed in the load chart:
7. Unless the operator takes account of boom deflection, when lifted off the ground, a properly rigged load may:
8. Which is the most common cause of death to crane operators?
9. When is it permissible for the operator to leave the controls with a load suspended?
10. An operator should respond to a "stop" signal from:
11. Unless the manufacturer states otherwise, truck cranes generally have no lifting capacity over which area?
12. "Working radius" is defined as the distance from the:
13. If a bold line is shown on a load chart, the capacities below the line:
14. Rough terrain crane capacities are generally greater over the:
15. Under what conditions is it OK for a person to ride the headache ball?
16. On duty cycle operations, such as skipping concrete, most manufacturers require a crane's load chart capacity to be reduced by:
17. Boom length is measured from the:
18. Using the preferred method of installing wire rope from a reel onto a hoist drum, the rope runs from the:
19. Truck crane capacities are usually greater over the:
20. A truck crane is set up on outriggers. The part of the load chart governed by stability is based on what percentage of the crane's capacity.
21. According to OSHA, accessible areas of the operating crane must always be barricaded within:
22. What is the OSHA regulation governing cranes in construction?
23. A crack in the windshield of a crane cab is OK so long as:
24. OSHA permits hoisting of personnel by a crane so long as:
25. A crane is set up with 3 of its 4 outriggers fully extended and the fourth retracted. The capacity of the crane in this configuration will be found in the:
26. When lifting personnel, the total weight of the loaded personnel platform must not exceed what percentage of the rated capacity of the crane?
27. Side loading of crane booms is permitted:
28. If the operator makes two audible signals when moving a crane, he/she intends to:
29. If a crane's load moment indicator (LMI) malfunctions, the operator should:
30. When setting up a crane, blocking (cribbing) may be placed under outrigger beams:
31. Timber blocking placed under the tips of the tracks on a crawler crane will:
32. If a load test is done on a repaired crane, the load must not exceed what percentage of the manufacturer's crane rating?
33. When hoisting boom sections during assembly or disassembly procedures, the best place for slings to be attached is:
34. The tipping axis of a crawler crane:
35. Materials placed under overhead energized power lines should:
36. The hand signal depicted is instructing the operator to: “The signalpersons thumb is pointing towards the crane operator.”
37. When working at ground floor level near a cellar wall, the crane's outrigger pads, or tracks should be placed:
38. When setting a crane up on outriggers, the wheels of the crane should:
39. If you move a crawler crane from soft ground to harder ground surface (concrete), the ground bearing pressure will:
40. Rotation-resistant rope can be used with a swivel:
41. On pick and carry operations, you should:
42. On a crawler crane, ground bearing pressure is greatest:
43. When preparing to hoist a light load, the hook should be positioned:
44. According to the Electrical Distance Chart in the OSHA, 1926 Subpart CC or ASME B30; when working around power lines of more than 750kV, how much clearance is generally required from any part of the crane and its load?
45. You plan to pick a load you are told weighs 36,500 lbs. Line pull on the crane you are operating is 9,000 lbs. How many parts of line will you need?
46. If a jib is erected but not being used to lift the load, you should make a deduction from the gross capacities listed in the load chart based on:
47. When the boom length of the crane falls between the lengths listed in the load chart, you should use the capacity listed for:
48. It's OK to temporarily bypass a crane's overload warning system:
49. On a crawler crane, the part of the load chart governed by stability is based on what percentage of its capacity?
50. As you boom down with a suspended load, the leverage of the load on the crane will: