arivumani ravanan

visual inspection composting waste management agriculture product design and development electrical resistance thermister. thermocouples pressure thermometers and pitot tube –temperature: bimetallic strip rota meter orifice hydraulic and electrical type-flow measurement: ve pneumatic power:-mechanical torque force applications – digital devices- computer aided ins coordinate measuring machine (cmm) - constructiona angular measurements and machine tool metrology precision instruments based on laser-principles- l angle decker – taper measurements. optical bevel protractor applications. angular measurements: -sine bar pneumatic and electrical types limit gauges- comparators: mechanical optical flats interferometery slip gauges and classification interval measurement micrometer definition of metrology-linear measuring instrumen flatness and roundness measurements straightness floating carriage micrometer-measurement of gears- measurement of screw threads-thread gauges interchangeability. calibration precision-static and dynamic response-repeatabilit range of accuracy readability general concept – generalised measurement system-u liquid penetrate inspection relative merits and limitations of ndt conventional testing thermal inspection methods. liquid penetrate inspe concepts of ndt liquid penetrant and magnetic particle tests radiography thermography optical and acoustical holography ultrasonic and acoustic emission techniques