Q.1
This is the bottom surface joining the sides of two adjacent threads:
  • Lead
  • Pitch
  • Crest
  • Root
Q.2
This is the smallest diameter of a screw thread:
  • Internal thread diameter
  • Minor diameter
  • Major diameter
  • External thread diameter
Q.3
These include taper pins, straight pins, dowel pins, clevis pins, and cotter pins:
  • Bolts
  • General fasteners
  • Machine pins
  • Rivets
Q.4
This type of thread is a thread on the inside of a member:
  • Basic thread
  • External thread
  • Internal thread
  • Major diameter thread
Q.5
This type of fit is high quality and is used for the bulk of interchangeable screw thread work:
  • Class 1
  • Class 2
  • Class 3
  • Class 4
Q.6
The standard number of threads per inch for various diameters is the:
  • Series of thread
  • Lead
  • Major diameter
  • Thread pitch
Q.7
The distance a screw thread advances axially in one turn is the:
  • Lead
  • Pitch
  • Turn
  • Crest
0 h : 0 m : 1 s