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  #1  
3rd February 2017, 10:07 AM
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VTU MMM Notes

Hi buddy here I am looking for VTU university Mechanical Measurements and Metrology (MMM) paper notes/syllabus so would you plz provide me here , if you have ?
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  #2  
3rd February 2017, 10:32 AM
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Join Date: Mar 2013
Re: VTU MMM Notes

As you are looking for VTU university Mechanical Measurements and Metrology (MMM) paper notes/syllabus part of ME 3rd sem so on your demand I am providing same for you:

Part A

Unit-1
Standards of measurement
6 hours

Definition and Objectives of metrology, Standards of length-International prototype meter, Imperial standard yard, Wave length standard, subdivision of standards, line and end standard, calibration of end bars (Numerical), Slip gauges, Wringing phenomena, Indian Standards (M-81, M-12), Numerical problems on building of slip gauges.

Unit-2
System of Limits, Fits, Tolerance and Gauging
7 hours

Definition of tolerance, Specification in assembly, Principle of interchangeability and selective assembly limits of size, Indian standards, concept of limits of size and tolerances, compound tolerances, accumulation of tolerances, definition of fits, types of fits and their designation (IS 919-1963), geometrical tolerance, positional-tolerances, hole basis system, shaft basis system, classification of gauges, brief concept of design of gauges (Taylor's principles), Wear allowance on gauges, Types of gauges-plain plug gauge, ring gauge, snap gauge, limit gauge and gauge materials.

Unit-3
Comparators and Angular measurement
7 hours

Introduction to comparators, characteristics, classification of comparators, mechanical comparators- Johnson Mikrokator, sigma comparators, dial indicator, optical comparators- principles, Zeiss ultra optimeter, electric and electronic comparators- principles, LVDT, pneumatic comparators, back pressure gauges, solex comparators. Angular measurements, bevel protractor, sine principle and use of sine bars, sine centre, use of angle gauges (numericals on building of angles), clinometers.

Unit-4
Interferometer and screw thread, gear measurement
6 hours

Interferometer, interferometry, autocollimator. Optical flats. Terminology of screw threads, measurement of major diameter, minor diameter, pitch, angle and effective diameter of screw threads by 2-wire and 3-wire methods, best size wire. Tool maker's microscope, gear tooth terminology, use of gear tooth vernier caliper and micrometer.
Part B

Unit-5
Measurements and measurement systems
7 hours

Definition, significance of measurement, generalized measurement system, definitions and concept of accuracy, precision, calibration, threshold, sensitivity, hysterisis, repeatability, linearity, loading effect, system response-times delay. Errors in measurement, classification of errors. Transducers, transfer efficiency, primary and secondary transducers, electrical, mechanical, electronic transducers, advantages of each type transducers.

Unit-6
Intermediate modifying and terminating devices
6 hours

Mechanical systems, inherent problems, electrical intermediate modifying devices, input circuitry, ballast circuit, electronic amplifiers and telemetry. Terminating devices, mechanical, cathode ray oscilloscope, oscillographs, X-Y plotters.

Unit-7
Measurement of force, torque and pressure
6 hours

Principle, analytical balance, platform balance, proving ring. Torque measurement, Prony brake, hydraulic dynamometer. Pressure measurements, principle, use of elastic members, Bridgeman gauge, McLeod gauge, Pirani gauge.

Unit-8
Temperature and strain measurement
7 hours

Resistance thermometers, thermocouple, law of thermo couple, materials used for construction, pyrometer, optical pyrometer. Strain measurements, strain gauge, preparation and mounting of strain gauges, gauge factor, methods of strain measurement.


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