Question

What is the purpose of locating face present on the back of the precision microptic clinometer?

(a) Allows instrument to be used vertically

(b) Allows instrument to be used at an angle

(c) Allows instrument to be used horizontally

(d) Allows the setting of inclination table

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This intriguing question comes from Clinometers in portion Angular Measurement and Circular Division of Engineering Metrology

Answer 1

Correct option is (c) Allows instrument to be used horizontally

To elaborate: With the suitable accessories these clinometers can be used for measuring angular displacements of small part. A locating face is present on the back of the precision microptic clinometer which allows the instrument to be used horizontally with the reflector unit or accessory worktable.