Which of these statements about a standard micrometer is TRUE?
A) The thimble is divided into 50 equal divisions
B) A complete turn of the thimble moves the spindle through 0.050 inches
C) 20 complete rotations of the thimble moves the spindle 0.500 inch
D) It should be stored with the spindle locked firmly against the anvil

Question

Quizplus · Accepted Answer

A complete turn of the thimble moves the spindle through 0.025 inches, so 20 complete rotations would move the spindle 0.500 inch.

Which of These Statements About a Standard Micrometer Is TRUE