.375
Tube is measured by outside diameter, pipe is measured by inside diameter.
NB = inside diameter of the tube. OD = outside diameter of the tube.
Less than an inch.
No. A choke tube slips into and screws to the muzzle end of the barrel. It can only decrease the inside diameter.
convex
A micrometer or caliper can be used to measure the diameter of a test tube accurately. These tools provide precise measurements by directly reading the diameter of the test tube in millimeters.
Any measurement smaller than 35mm. That measurement would depend on the thickness of the material making the tube
If the circumference of a circle is 75 inches, the diameter is: about 23.87 inches. (diameter = circumference divided by pi).
Tube diameter is 1" on that scope
The medical term for the inner diameter of a tube is "lumen."
inside
The standard diameter of a bicycle seat tube is typically around 27.2 millimeters.