Transducer Engineering
CALIBRATION
Calibration is an essential process to be undertaken for each instrument and measuring system frequently. A reference standard…
May 1, 2021 · JacobAuthor: Jacob
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Electronic devices and circuits
Class B Power Amplifier
When the collector current flows only during the positive half cycle of the input signal, the power amplifier…
May 1, 2021 · JacobMeasurement and instrumentation
DIGITAL VOLTMETERS
The digital voltmeter (DVM) displays measurements of dc or ac voltages as discrete numerals instead of a pointer…
May 1, 2021 · JacobLinear integrated circuits and applications
Lithographic Processes
The process of lithographically fabricating microcomponents is analogous to printing a photograph in a darkroom. In phorography, an…
May 1, 2021 · JacobMeasurement and instrumentation
Optical fibre
In all developed countries, long-distance communication links (which used to be called ‘trunks’, by analogy to ‘trunk road’)…
May 1, 2021 · JacobTransducer Engineering
Different measurements of Capacitive Transducers
• Capacitive Level Transducer • Capacitive Displacement Transducer • Capacitive Thickness Transducer • Capacitive Strain Transducer • Capacitive Pressure Transducer • Capacitive Proximity Transducer…
May 1, 2021 · JacobFeatured
Digital Tachometer Circuit Operation using Microcontroller and their Types
A digital tachometer is a digital device that measures and indicates the speed of a rotating object. A…
May 1, 2021 · JacobMaterial Science
Ultrasonic Test
High frequency ultrasonic (sound) waves are applied to the test piece by a Piezoelectric crystal. If the test piece is free from cracks, or flawless, then it reflects ultrasonic waves without distortion. If there are any flaws in the specimen, the time taken by the ultrasonic waves will be less as the reflection of these waves will be from flaw points and not from the bottom of the specimen. Cathode ray oscilloscope (CRO) is used to receive the sound signals, whose time base circuit is connected to it. Knowing the time interval between the transmission of the sound pulse and the reception of the echo signal, we can calculate the depth of the crack. This test is a very fast method of inspection and often used to test aerospace components and automobiles. This test is generally used to detect internal cracks like shrinkage cavities, hot tears, zones of corrosion and non-metallic inclusions.
May 1, 2021 · JacobPowerplant Engineering
Types of boilers
Boilers can be classified as follows: 1. According to the flow of water and hot gases – fire…
May 1, 2021 · JacobEngineering Mechanics
Simple Harmonic Motion
What is Simple Harmonic Motion (SHM)? Amplitude, Frequency and Periodic Time of a body moving with SHM? A…
May 1, 2021 · Jacob