Define terms: (i) Calibration (ii) Hysteresis (iii) Threshold
[3 marks]Differentiate following terms: - 1) Accuracy and Precision, 2) Systematic and random errors
[4 marks]What are the various methods of measurement? Explain them with examples.
[7 marks]Define terms: (i) Tolerances (ii) Fits (iii) Shaft basis system
[3 marks]Why sine bar is not preferred for angles greater than 45˚? Explain.
[4 marks]Write a short note on Auto collimator.
[7 marks]Explain with neat diagram, working principle and application of Sigma comparator.
[7 marks]Give the classifications of threads.
[3 marks]Explain the common errors in threads.
[4 marks]Explain three wire method for measuring effective diameter of a thread.
[7 marks]Define following terms related to gear measurement:
[3 marks]Pressure angle (ii) Circular pitch (iii) Module
[ marks]Give comparison between involute and cycloidal gears.
[4 marks]Explain constant chord method for gear tooth measurement.
[7 marks]Explain different types of transducers.
[3 marks]Describe LVDT giving its advantages, limitations & field of applications.
[4 marks]Explain generalized measurement system using suitable example.
[7 marks]Write the advantages of lasers.
[3 marks]Write a short note on ‘Coordinate Measuring Machine’.
[4 marks]Write a short note on Cathode ray Oscillographs.
[7 marks]What is gauge factor? Explain its importance.
[3 marks]Explain the principle of electrical Strain gauges
[4 marks]Discuss the construction and working of thermocouple with neat sketch.
[7 marks]Give the classification of instruments for pressure measurement.
[3 marks]Explain any one method used for force measurement.
[4 marks]Write a short note on rope brake dynamometer
[7 marks]