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micrometer screw guage
pair of dividers
metre rule
pair of vernier calipers
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A vernial caliper is use to determine and take measurements of the length of internal diametres of pipes and cylinderical liked shaped bodies.
a vannier calliper z used n mersurin inner items eg cone,cilinda etc nd it has a bent leg.
is an instrument used for measuring external and internal dimension.right ans.D
A vernier caliper has two sharp ends that resembles teeth.the two ends will be inserted into the test tube and widened till it reaches both ends space in between the blades is then measured from the calibrated part of the vernier calipers
The vernier callipers is an instrument that is designed for mersuring both the thickness of a material(notebook) and the internal diameter of cylinderical objects such as a test tube, while MICRO meter screwguages are used to measure very little parameters just like the name implies{it can be used to measure things like the thickness of a single piece of paper, the diameter of a needle and even the diameter of a wire strip}, so the correct and certified answer is "D"
It should be micrometer screw guage because they ask for the inner diameter.
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