The purpose of the ratchet in a micrometer is to – McqOptions

MCQOPTIONS

1.	The purpose of the ratchet in a micrometer is to
A.	impart smooth movement to the spindle
B.	compensate for the wear of the screw thread
C.	prevent rotation of the spindle while reading the scale
D.	maintain sufficient and uniform measuring pressure
Answer» E.

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