Question

describe steps how will you use vernier caliper to measure the thickness of chalk

Answer 1

Step 1 - Place sliding jaw against the upper step of object
Open the caliper slightly. Place the sliding jaw against the upper step of the object you are measuring. Make sure that the head of the caliper is perpendicular to the edge of the upper step.


Step 2 - Open caliper jaws
Open the jaws of the caliper using the thumb screw until the fixed upper jaw contacts the lower step.  Turn the lock screw to tighten the jaws so that you can remove your object and take your reading. 


Step 3 - Turn lock screw turn the lock screw to tighten the jaws so that you can remove your object and take your reading. 


Step 4 - Read measured value