CHHATTISGARH SWAMI VIVEKANAND TECHNICAL UNIVERSITY, BHILAI (CG)
Semester : B.E. IV Semester Branch : Mechanical Engineering
Sub : MECHANICAL MEASUREMENTS & METROLOGY
UNIT – I
Generalized Measurement System
Introduction – Introduction to measurement and measuring instruments, Generalized measuring
system and functional elements, units of measurement, static and dynamic performance
characteristics of measurement devices, calibration, concept of error, sources of error, statistical
analysis of errors sensors and Transducers – Types of sensors, type of transducers and their
UNIT – II
Measurement of displacement and angular velocity. Measurement of pressure: Gravitational
direct acting, elastic and indirect type pressure transducers. Measurement of very low pressure –
Mcleod gauge and Pirani gauge.
Measurement of Strain
Type of strain gauges and their working, strain gauge circuits, Mcleod guage, Pirani guage,
temperature compensation. Strain rosettes. Measurement of force and torque. Measurement of
temperature by thermometers, bimetallic, thermocouples, thermistors and pyrometers-total
radiation and optical pyrometry.
Measurement of flow
Obstruction meters, variable head meters, hot wire and magnetic meters, ultrasonic flow meters.
Vibration and noise measurement : Seismic instruments, vibration pick ups and decibel meters.
Data acquisition system
Introduction to data acquisition systems, single and multi channel systems, microprocessors and
PC based data acquisition systems. Input – output devices signal transmission and Processing.
Devices and systems.
Standards of measurement. Linear and angular measurement devices and systems limit gauges,
gauge blocks. Measurement of geometric forms like straightness, flatness, roundness and
circularity, principles and application of optical projectors, tool makers, microscope,
Principle and use of interferometry. Comparators, Measurement of screw threads and gears.
Surface texture measurement.
1. Mechanical Measurements and Control – D.S. Kumar – S.K. Kataria & Sons
2. Mechanical Measurements – G. Beckwith Thomas G. – Pearson Education
1. Measurement Systems, Application Design – E.O. Deoblein – McGraw Hill
2. Engineering Metrology – K.J. Hume – MacDonald and Company
3. Engineering Metrology – I.C. Gupta – Dhanpat Rai & Sons
4. Mechanical & Industrial Measurements – R.K. Jain – Khanna Publishers