### ME8501- Metrology and Measurments - Unit-2 Two marks

__Subject Name:__ Metrology and Measurments

__Subject Name:__

__Subject Code:__ ME8501

__Subject Code:__

## B.E. Mechanical Engineering - semester 05

Anna University Regulation 2017 Mechanical 5th sem ME8501(

**Metrology and Measurments**) 2 marks for 2nd unit is provided below. ME8501 all units 2 marks,**Metrology and Measurments all units notes**, syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.## 1.List the various linear measurements.

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## 2.What are the various types of linear measuring instruments?

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## 3.List out any four angular measuring instrument used in metrology.

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## 4.What is the main difference between linear and angular measurement?

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## 5.List down the errors when vernier caliper is used in measurements.

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## 6.What are precautions to be carried while using vernier calipers?

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## 7.Name the different errors involved in measurements due to wear and tear, and incorrect usage.

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## 8.Write short notes on precautions to be taken while using micrometer.

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## 9.What is floating carriage micrometer?

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## 10.What is wringing of gauge blocks?

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## 11.What are slip accessories?

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## 12.What is a comparator?

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## 13.Narrate the need for comparators.

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## 14.Classify the comparator according to the principles used for obtaining magnification.

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## 15.What are the advantages of mechanical comparator?

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## 16.Mention any two disadvantages of reed type mechanical comparator.

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## 17.What are the components of an electrical comparator

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## 18.On what basis the transducer works?

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## 19.what are the major types of an electrical comparator?

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## 20.How is the accuracy of the given work checked with an electrical comparator?

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## 21.State the working principle of an electronic comparator.

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## 22.what are the advantages of electrical and electronic comparator?

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## 23.What are the disadvantages of electrical and electronic comparator?

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## 24.List the various parts of an optical comparator.

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## 25.What is the principle of working of pneumatic comparator?

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## 26.Discuss any four applications of pneumatic comparator with schematic diagram.

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## 27.How the internal measurement is carried on a solex air gauge?

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## 28.What are the advantages of pneumatic comparator?

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## 29.Define tolerance and zero line.

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## 30.Define deviation.

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## 31.Differentiate between dimensional and form tolerances.

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## 32.What are the types bevel protractors?

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## 33.What is the constructional difference between an autocollimator and an angle dekkor?

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## 34.What is interchangeable manufacture?

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## 35.Define interchangeability.

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## 36.State the advantage of interchangeable manufacturing?

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## 37.Write the constructional requirements of the sine bar for accurate measurement.

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## 38.Differcntiate between Sine bar and sine center.

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## 39.What are the constructional requirements of a good sine bar?

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## 40.Write down the applications of limit gauges.

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## 41.State any two limitations of sine bar.

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## 42.What the Sources of error in sine bars?

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## 43.What are the disadvantages of Pneumatic Comparator?

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## 44.What are limit gauges?

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## 45.State "Taylor's principle of gauge design".

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## 46.What are the different taper measurments?

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* ME8501 Metrology and Measurments Anna university notes

* Anna University Regulation 2017 ME8501 Metrology and Measurments Notes

* Regulation 2017 ME8501 Metrology and Measurments All units notes

* Regulation 2017 ME8501 Metrology and Measurments All units two marks notes

* Regulation 2017 ME8501 Metrology and Measurments Part-A 2 Marks with answers

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* ME8501 unit 2 two marks

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* ME8501 All units notes

* Anna University Regulation 2017 two marks with answers

* Anna University Regulation 2017 notes

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