Millwright qa - Study guides, Class notes & Summaries

A Babbitt bearing percentage refers to its area of contact. This is found by: a. Feeler gauges b. Plastic gauge c. Bluing d. Lead wire - Answer-c. Bluing A bearing with a "K" it denotes a tapered bearing. This is held in place by: a. Shaft collar b. A tapered adapter sleeve c. Lock nut d. Thread locker - Answer-b. A tapered adapter sleeve A type of bearing mounted face to face and back-to-back is: a. Angular contact b. Conrad c. Ball d. Pillow Block - Answer-a. An...

1. Of a block and tackle with five rope falls and minimum friction, how much force is needed to retain 250lbs? a. 50 lbs b. 100 lbs c. 250 lbs d. 75 lbs - Answer-a. 50 lbs 250lbs/5 = 50 lbs 2. What diameter rope is needed to support two tons using a vertical lift? a. ½" b. ¾" c. 1" d. ¼" - Answer-a. ½" 3. What is the standard safety factor to consider for a platform supporting people? a. 1 : 1 b. 5 : 1 c. 10 : 1 d. 15 : 1 - Answer-c. 10 : 1 4. If a wire ro...

The breaking strength of rope is a. force needed to pull rope b. force needed to tear rope c. force needed to break the rope d. force needed to stretch rope - Answer- c. force needed to break the rope What are spreader beams used for? a. calculate loads b. use on heavy lods c. support loads during lifts d. support long loads during lifts - Answer- d. support long loads during lifts What are equalizer beams used for? a. equalize the load on sling legs and to keep equal loads on dua...

Millwright Level One - Millwright Hand Tools: Q&A

1. When the downward force at C2 is 100 lb and D2 = 2.5 inches, the upward force at C1 will be ________lb if D1 = 4 inches. A. 160 B. 256 C. 384 D. 240 - Answer- A. 160 x/12.56 sq in = 100 lbs/7.85 sq in x = (100lbs/7.85 sq in)12.56 x = 160 lbs 2. Add the following decimals and express the answer to three decimal places. 0.4789 + 3.125 + 9.656 A. 13.26 B. 13.3 C. 13.259 D. 13.2599 - Answer- C. 13.259 3. What are common materials used as electrical conductors? A. Silve...

saddle - Answer- the safe working load of a rigging hook is accurate only when the load is suspended from the ______________ of the hook 15 - Answer- OSHA requires that a hook be replaced if the throat has opened _____ percent or more from it's original size. 40 - Answer- A hook that is point loaded could theoretically carry about ________ percent of the rated load. Shackels - Answer- Slings are attached together using ___________. 1 1/2 - Answer- tapped holes used with screwed-in e...

Millwright Q&A

Wear from flexing - Answer- 81. A disadvantage of hoses in hydraulic lines is that they? None of them - Answer- 58. Which pump has a mechanical aid to stop leak on start up? Flexiblevane pump, lobe pump, screw pump? Mating face - Answer- 59. On a mechanical seal which part do you not touch? Use ducks to rig fresh air blowing into the far end of the space - Answer- 60. You have to do a welding job inside a confined space, how do you provide fresh air? Ensures the underside of the belt...

Millwright Level 1 Final Exam 2023 QUESTIONS AND ANSWERS | VERIFIED ANSWERS

Millwright Level 1 Final Questions and Answers (Graded A)