4-27. 4-28. 4-29. 4-30. 4-31. 4-32. 4-33. To find the basic weight of an aircraft, you should refer to which of the following publications? 1. NAVAIR 01-1A-40 2. NAVAIR 01-1B-40 3. NAVAIR 01-1A-50 4. NAVAIR 01-1B-50 What type of aircraft weighing equipment has become the standard used by the Navy? 1. The mobile electronic weighing system 2. The heavy-duty portable scales 3. The stationary pit-type scales 4. The electronic load cells Typically, a mobile electronic weighing system can be set up by two men in what minimum number of minutes? 1. 10 min 2. 15 min 3. 20 min 4. 30 min Heavy-duty portable scales must be calibrated at least how often? 1. Prior to use 2. Once every 6 months Twice every 6 months 4. Once every 12 months Which of the following components is NOT normally a part of a weighing kit? 1. A plumb bob 2. A chalk line 3. A hydrometer 4. A spirit level Before using an electronic scale, you must warm it up for what minimum number of minutes? 1. 5 min 2. 10 min 3. 20 min 4. 30 min After removing an aircraft from the scales, you must reweigh it if the scale does NOT return to zero within what number of minutes? 1. 5 min 2. 10 min 15 min 4. 20 min 4-34. 4-35. 4-36. 4-37. 4-38. 4-39. Which of the following is NOT a type of aircraft lifting sling? 1. Wire rope 2. Snatch cable 3. Fabric webbing 4. Structural steel What is the most common type of aircraft lifting sling? 1. Web sling 2. Chain sling 3. Wire rope sling 4. Structural aluminum sling Which of the following types of lifting slings do NOT contain flexible components? 1. Wire slings 2. Chair slings 3. Fabric slings 4. Structural steel slings To find load testing and inspection information on aircraft lifting slings, you should consult what publication? 1. NAVAIR 01-1A-17 2. NAVAIR 01-1A-20 3. NAVAIR 17-1-114 4. NAVAIR 17-15E-52 When a lifting sling’s capacity has been exceeded, which of the following actions should you take? 1. Forward it to AIMD for analysis and disposition 2. Use it once more, and then forward it to AIMD 3. Send it to the organizational unit for analysis and disposition 4. Retain it until the next time it is required, and then forward it to AIMD for inspection A group of wires twisted together is known by what name? 1. A wire rope 2. A strand 3. A cable 4. A core 19 3. 3.