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Published byGregorio Testa Modified over 5 years ago
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Use of Vernier Caliper Vernier Caliper can be used to measure diameter, thickness very accurately.
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Different Parts of Vernier Caliper
Main Scale Depth Gauge Inside jaws VernierScale Outside jaws The Mission Covenant Church Holm Glad College
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Measuring Internal Diameter
Use the inside jaws of the caliper as shown
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Measuring External Diameter
Use the outside jaws of the caliper as shown The Mission Covenant Church Holm Glad College
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Measuring Depth of a Hole
Use the depth gauge of the caliper as shown
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Reading the Vernier Scale
Read the “0” position of the vernier scale on the main scale to get a rough reading. Rough reading = 18mm Look along the vernier scale until one of the vernier division coincides with the main scale Accurate reading = 18.46mm±0.01 mm The Mission Covenant Church Holm Glad College
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Exercise What is the reading in the caliper shown?
Please click on one of the following answer. 5 10 3 4 overlap A. 3.51cm B. 3.57cm C. 3.62cm 3.5 D cm E. 3.67cm
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You Are Wrong! Try Again See the Solution
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Congratulation! You are Right!
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Solution Read the “0” position of the vernier scale on the main scale to get a rough reading. Rough reading = 3.6cm Look along the vernier scale until one of the vernier division coincides with the main scale Accurate reading = 3.67cm±0.005cm 5 10 3 4 overlap
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