Define following: (1) Least count (2) Repeatability (3) Measurement (4) Standard (5) Error
[ marks]Differentiate between precision and accuracy with suitable example.05
[ marks]Give classification of comparators and explain Dial indicator with sketch.
[5 marks]With neat sketch explain working of Johansson Mikrocator.
[5 marks]Explain construction and working of Reed type mechanical comparator.
[5 marks]Explain the methods of measuring surface finish.
[5 marks]Explain the following terms used in surface finish with sketch: Roughness,05 Waviness, Effective profile, Centerline of profile, surface texture, lay.
[ marks]Explain following methods of specifying roughness value: Peak-to-valley height method; Centre-line-average method; Root mean square method.
[ marks]Sketch and describe the construction and working of Tomlinson surface05 roughness tester
[ marks]Describe with neat sketch the construction and working of Vernier calliper.
[5 marks]Explain construction and use of vernier bevel protractor.
[5 marks]Explain thermocouple in detail.
[5 marks]Enlist various instruments used for thread and gear measurement and explain05 any one in detail.
[ marks]Explain construction and working of sine bar with neat sketch.
[5 marks]Describe defects likely to occur in measuring instruments and their remedies.
[5 marks]Explain bourdon tube type pressure gauge.
[5 marks]Define : (1) Straightness (2) Flatness (3) Circularity(4) Parallelism (5)05 Squareness
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