Author Question: One reason for having thread tolerances and classes of fits is: A) So specific threads can be ... (Read 38 times)

arivle123 · **on:** Jul 26, 2018

One reason for having thread tolerances and classes of fits is:

A) So specific threads can be properly labeled
B) That better finishes can be obtained
C) The percent of thread can be more easily determined
D) To insure interchangeability of threaded parts

Question 2

The spheroidizing temperature is:

A) 500 F. (100 C.) above the upper critical T line (in steels with more than .87 carbon)
B) Close to 1300 F. (704 C.)
C) 950 F. (510 C.) to 1250 F. (677 C.)
D) 1000 F. (380 C.) above the upper critical T line