[Solved] Which of the following is true for trigger type probe system used in computer controlled CMM?

Q.	Which of the following is true for trigger type probe system used in computer controlled CMM?
A.	bucking mechanism is a 2 point bearing
B.	current coordinate position stored when circuit is close
C.	contacts of point bearing arranged at 90 degree
D.	contacts of point bearing act as electrical micro switches
Answer» D. contacts of point bearing act as electrical micro switches
Explanation: the “buckling mechanism” in trigger type probe system is a 3 point bearing, the contacts of which are arranged around the circumference at 120 degrees. these contacts act as micro switches.

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