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Smoke Detector is a tool for detecting smoke that arises from sources of fire. Smoke involves the thermal release of large quantities of solid and liquid particles into the surrounding atmosphere. These particles that are suspended in the air are termed aerosols. The aerosol…
The use of relay instructions is to regulate and control the status of bits in a data table, such as input bits or bit words for timer controls. These instructions are: XIC controls the bit for the ON condition XIO controls the…
Network Topology: A network consists of two or more computers that are linked to share resources (such as printers and CD-ROMs), exchange files, or allow electronic communications. Computers in a network can be connected through cables, telephone lines, radio waves, satellites or…
Orifice and venturi meter: Orifice and venturi meter works under the same principle, both meters creates a restriction in the flow channel and the pressure difference across the restriction is measured, which is proportional to the rate of discharge of flowing fluid…
What are conveyors? Conveyors are the mechanical system that moves materials one location to another. The transport systems allow fast and efficient transport for a wide variety of materials, which makes them very popular in the materials handling and packaging industries. The simplest…
The IEEE-488 standard interface bus, popularly known as GPIB (General Purpose Interface Bus), was originally developed by Hewlett-Packard to allow maximum flexibility in data transfer between various laboratory instruments and their computers. The IEEE-488 allows exchanging data to a number of no…
Timer Relay: Attached to the main contractor serves as a switch from the Star relationship to the Delta relationship. The principle works like a normal clock but uses electric current as a source of energy. This tool is equipped with an electric…
Micro-Electro-Mechanical Systems, or MEMS, are technologies that are in the most common form that can be defined as miniature mechanical and electro-mechanical elements (i.e. devices and structures) made using microfabrication techniques. the types of MEMS devices can vary from relatively simple structures…
Vibrating Element Densitometers Principle: If a body containing or surrounded by a fluid is set to resonance at its natural frequency, then the frequency of oscillation of the body will vary as the fluid properties and conditions change. The natural frequency is…
The turbidity of fluid is measured on the basis of reflection. In the absence of reflection losses, when a weak beam of light passes through a dielectric sample, the two processes most responsible for reducing the intensity of the transmitted beam are absorption…
