Threads, Fasteners and Springs problems
- 1. This type of thread is a thread on the inside of a member:
Options- A. Basic thread
- B. External thread
- C. Internal thread
- D. Major diameter thread Discuss
Correct Answer: Internal thread
- 2. This is the smallest diameter of a screw thread:
Options- A. Internal thread diameter
- B. Minor diameter
- C. Major diameter
- D. External thread diameter Discuss
Correct Answer: Minor diameter
- 3. These include taper pins, straight pins, dowel pins, clevis pins, and cotter pins:
Options- A. Bolts
- B. General fasteners
- C. Machine pins
- D. Rivets Discuss
Correct Answer: Machine pins
- 4. This type of fit is high quality and is used for the bulk of interchangeable screw thread work:
Options- A. Class 1
- B. Class 2
- C. Class 3
- D. Class 4 Discuss
Correct Answer: Class 2
- 5. The distance a screw thread advances axially in one turn is the:
Options- A. Lead
- B. Pitch
- C. Turn
- D. Crest Discuss
Correct Answer: Lead
- 6. This is the bottom surface joining the sides of two adjacent threads:
Options- A. Lead
- B. Pitch
- C. Crest
- D. Root Discuss
Correct Answer: Root
- 7. The standard number of threads per inch for various diameters is the:
Options- A. Series of thread
- B. Lead
- C. Major diameter
- D. Thread pitch Discuss
Correct Answer: Series of thread
- 8. A torsion spring is a type of helical spring.
Options- A. True
- B. False Discuss
Correct Answer: True
- 9. Springs may be classified as either helical springs or flat springs.
Options- A. True
- B. False Discuss
Correct Answer: True
- 10. A machine pin is a mechanical device designed to store energy when deflected and to return the equivalent amount of energy when released.
Options- A. True
- B. False Discuss
Correct Answer: False
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