Millwright - Installation, Maintenance, Alignment and tools Correct 100%

1. Metallic packing is used in a stuffing box due to: a. The need for a good seal b. In a high temperature application c. Compatibility with acids d. Good swelling properties allow expansion for better sealing - ANSWER b. In a high temperature application 2. Why is a lapping plate softer than the material you are lapping? a. It won't damage the part you are lapping b. It allows the compound to be embedded in the plate to assist in lapping process c. So you can control the speed of hand lapping more accurately d. To prevent too much material from being taken off - ANSWER b. It allows the compound to be embedded in the plate to assist in lapping process 3. An electric drill being used in a damp location requires: a. All connections to be taped with electrical tape b. All connections to be siliconed c. A GFCI breaker to be used d. Leather gloves to be used - ANSWER c. A GFCI breaker to be used 4. During set up, a dial indicator is used with what? a. Vernier caliper b. Surface plate c. Micrometer d. Sine blocks - ANSWER b. Surface plate 5. How does a labyrinth seal stop leakage? a. By contact with the box b. By design c. By expanding with heat d. By flexing with the shaft rotation - ANSWER b. By design 6. What type of steel should be used for cutting tools? a. High carbon steel b. Low carbon steel c. Tool steel d. Mild steel - ANSWER c. Tool steel 7. You need to shim a pump. You determine that it requires a 1/64", 1/8" 3/64" 5/32" and ½" shim. What is the total shim thickness? a. 27/32" b. 5/8" c. ¾" d. 29/64" - ANSWER a. 27/32" (1+8+3+10+32)/64" = 54/64" = 27/32" 8. What is the best method for sharpening a scribing tool? a. Bench grinder b. Point grinder c. Honing d. Lapping plate - ANSWER c. Honing 9. Upon catastrophic failure, what type of maintenance is performed? a. Reactive b. Proactive c. Preventative d. Predictive - ANSWER a. Reactive 10. When must a planned maintenance program schedule be overlooked? a. During start up b. Whenever there is a safety concern c. At the end of a shift d. Whenever a mechanic wants to work on a machine - ANSWER b. Whenever there is a safety concern 11. When tempering a hand tool, what cools the tool the quickest? a. Lime b. Oil c. Air d. Water - ANSWER d. Water 12. If you use a drill with a fixed rate of speed and it is turning too slowly, what will happen? a. Drill bit will break b. Drill will get stuck in the work piece c. Hole will be oblong d. One lip length will wear and become uneven - ANSWER a. Drill bit will break 13. How do you best communicate with other trades? a. Listen b. Repeat info back to confirm c. Process the information later d. Guess - ANSWER b. Repeat info back to confirm 14. Who generates a work order? a. Any employee with a concern b. A supervisor c. Laborer d. Mechanics - ANSWER b. A supervisor 15. What type of maintenance uses technical reports to determine a schedule? a. Scheduled maintenance b. Preventative c. Breakdown d. Routine - ANSWER b. Preventative 16. What is important to remember when mounting a pump and motor? a. Type of liquid being pumped b. Style of coupling c. Size of the pumping chambers d. Temperature of liquid being pumped - ANSWER d. Temperature of liquid being pumped 17. If a plunger is out .012" after rotating 180 degrees, how much should you shim it? a. .012" b. .006" c. .003" d. .010" - ANSWER b. .006" 18. If a micrometer is inaccurate, what should