{"id":593,"date":"2021-09-02T19:46:29","date_gmt":"2021-09-02T19:46:29","guid":{"rendered":"https:\/\/itgeeks.in\/home\/?p=593"},"modified":"2021-09-02T19:46:31","modified_gmt":"2021-09-02T19:46:31","slug":"2k6me-701-metrology-and-instrumentation","status":"publish","type":"post","link":"https:\/\/itgeeks.in\/home\/?p=593","title":{"rendered":"2K6ME 701: METROLOGY AND INSTRUMENTATION"},"content":{"rendered":"\n

Module I (13 hours)<\/strong>
Applications of measuring instruments-functional elements of an instrument-instrument as transducer-generalised measuring instrument-generalised mathematical model of measuring systems-zero order, first order and second order instruments-classification of instruments – input\/output configurations – methods of correction for spurious inputs-inherent insensitivity – high-gain feed-back – signal – filtering and opposing inputs – static calibration and determination of bias and random error of an instrument- assumption of Gaussian distribution for experimental data-chi-square goodness-of-fit test-method of least squares for curve fitting – static characteristics-accuracy loading effect-backlash-friction-hysteresis-threshold-dead space- resolution-static sensitivity and linearity-problems on friction-loading effectsensitivity and calibration
Module II (13 hours)<\/strong>
Uncertainty in \u201ccomputed quantities\u201d from measured values – estimation of permissible uncertainties of instruments for specific purposes – potentiometer transducer as a zero order instrument – analysis of its loading error – mercury-in-glass thermometer as a first order instrument – step, ramp and frequency response of first order instruments – problems – seismic instrument as a second order instrument – step, terminated ramp, ramp and frequency response of second order instruments – slip gages – assembling the blocks – temperature problems – LVDT – comparators: principle of working of mechanical, electrical, pneumatic comparators – measurement of strain: strain gauge classification – unbonded and bonded strain gauges – gage factor – strain gauge rosettes – selection and installation of bonded gauges – ballast, DC bridges and constant current circuits – temperature compensation \u2013 calibration
Module III (13 hours)<\/strong>
Measurement of force: multiple lever system for weighing – strain gauge load cells – temperature sensitivity-ballistic weighing-hydraulic & pneumatic load cells-measurement of torque: water brake Heenan & Froude hydraulic dynamometer – general purpose electric dynamometer – measurement of temperature: pressure thermometers-RTDs-compensation for lead resistance-thermistors – thermocouples – series in parallel connected thermocouples – materials used and there ranges – pyrometry-infrared pyrometry – air pollution measurement: gas chromatography – Orsat\u2019s apparatus – nuclear instrumentation: Gieger Muller counter – ionisation chamber – scintillation counters
Module IV (13 hours)<\/strong>
Acoustical measurements: characterisation of sound (noise) – basic acoustical parameters – sound pressure – sound pressure level, power, intensity and power level – combination of
sound pressure levels – attenuation with distance – psychoacoustic relationships – microphones – sound level meter – principles of automatic control: open and closed loop systems servo mechanism – process control and regulators – mathematical modelling of mechanical and electrical systems – transfer function of simple systems – time domain analysis of control system: steady state response – steady state error – error coefficients – stability of control systems: concept of stability – method of determining stability of linear control systems – Routh Hurwitz criterion<\/p>\n\n\n\n

Text Books and References<\/strong>
1.\u00a0Beckwith T.G., Marangoni R.D. & Lienhard J.H., \u201cMechanical Measurements\u201d
2.\u00a0Doebelin E.O., \u201cMeasurement Systems\u201d, McGraw Hill Publishing Company<\/a>
3.\u00a0Holman J.P., \u201cExperimental Methods for Engineers\u201d, McGraw Hill Inc.<\/a>
4.\u00a0Kuo, \u201cAutomatic Control Systems\u201d, Asian Student Edition, Prentice Hall of India<\/a><\/p>\n\n\n\n

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Question Papers<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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