Basics of Engineering Measurements

Measuring concepts; Engineering fundamentals: Engineering Problems and Fundamental Dimensions; System of Units and Unit Conversion. Types of instruments and measurements. Students T distribution; Errors in measurement; Uncertainty analysis of data; Evaluation of bias and precision uncertainty; Graphical presentation of data using Excel.; Analog and digital signals, Presentation of analog signals; Mean and RMS value of signals; Sampling of analog signals and associated errors; Digital signals; D/A and A/D converters. Analog and digital signal analysis; Data collection and analysis; Instrumentation specifications; Basic components of electrical and mechanical measurement system; Response of measurement system: Concept of order of measurement system; Time response of measurement system Measurement of length; time; mass; force, electric current; temperature; energy and power. Laboratory experiments both on mechanical and electromechanical measuring systems. Emphasis is on measurement of uncertainty and calibration of sensors.