Threads, Fasteners and Springs Questions

• This type of thread is a thread on the inside of a member:
• This is the smallest diameter of a screw thread:
• These include taper pins, straight pins, dowel pins, clevis pins, and cotter pins:
• This type of fit is high quality and is used for the bulk of interchangeable screw thread work:
• The distance a screw thread advances axially in one turn is the:
• This is the bottom surface joining the sides of two adjacent threads:
• The standard number of threads per inch for various diameters is the:
• A torsion spring is a type of helical spring.
• Springs may be classified as either helical springs or flat springs.
• A machine pin is a mechanical device designed to store energy when deflected and to return the equivalent amount of energy when released.
• Tap drill depth does not include the cone point of the drill.
• Keys can be used to prevent movement between shafts and wheels.
• ANSI has established three classes of fit.
• A screw thread is a ridge of uniform section in the form of a helix on the external or internal surface of a cylinder.
• The axis of a screw is the longitudinal centerline through the screw.
• A Class 3 fit is exceptionally high quality and recommended only when high cost of precision is warranted.
• The root is the top surface joining the two sides of a thread.
• Thread length, finish, and proportions are some of the standard characteristics of bolts and nuts.
• Doubled threads are composed of two or more ridges running side by side.
• The form of a thread is the cross section of the thread cut by a plane containing the axis.