Attampoli

Explain the process of wringing of slip gauges What is sine bar? How sine bars are used for angle measurement? With neat sketches explain the method of measuring angles using Angle Dekkor Discuss various types of errors in measurement. Distinguish between Line standard and End standard with examples What is the advantage of using the wavelength standard? Differentiate between precision and accuracy. With the aid of a neatly labelled diagram explain any one of the mechanical comparators. Also state its advantages and limitations MODULE II Sketch and describe the optical arrangement of N.P.L. Flatness Interferometer. State and explain Taylor’s Principle of Gauge Design. Explain the working of a laser interferometer What is meant by the hole basis system and the shaft basis system What is meant by work tolerance and gauge tolerance? Define the following terms: - (i) Allowance. (ii) Tolerance. (iii) Limits. MODULE III Explain with neat sketches the method used for measuring the major diameter of screw thread Explain the various steps in machine vision system. List the advantages and applications of CMM. Discuss the different types of probes used in CMM.

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