ME8501 Metro logy and Measurements Previous Year Question Paper Download
To provide knowledge on various Metrological equipments available to measure the dimension of the
To provide knowledge on the correct procedure to be adopted to measure the dimension of the
UNIT I BASICS OF METROLOGY
Introduction to Metrology – Need – Elements – Work piece, Instruments – Persons – Environment – their effect on Precision and Accuracy – Errors – Errors in Measurements – Types – Control – Types of standards.
UNIT II LINEAR AND ANGULAR MEASUREMENTS
Linear Measuring Instruments – Evolution – Types – Classification – Limit gauges – gauge design – terminology – procedure – concepts of interchange ability and selective assembly – Angular measuring instruments – Types – Bevel protractor clinometers angle gauges, spirit levels sine bar – Angle alignment telescope – Autocollimator – Applications.
UNIT III ADVANCES IN METROLOGY
Basic concept of lasers Advantages of lasers – laser Interferometers – types – DC and AC Lasers interferometer – Applications – Straightness – Alignment. Basic concept of CMM – Types of CMM – Constructional features – Probes – Accessories – Software – Applications – Basic concepts of Machine Vision System – Element – Applications.
UNIT IV FORM MEASUREMENT
Principles and Methods of straightness – Flatness measurement – Thread measurement, gear measurement, surface finish measurement, Roundness measurement – Applications.
UNIT V MEASUREMENT OF POWER, FLOW AND TEMPERATURE
Force, torque, power – mechanical , Pneumatic, Hydraulic and Electrical type. Flow measurement: Venturimeter, Orifice meter, rotameter, pitot tube – Temperature: bimetallic strip, thermocouples, electrical resistance thermometer – Reliability and Calibration – Readability and Reliability.
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