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"