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What is intrinsic safety? A system consisting of equipment and interconnecting wiring in which any spark or thermal effect is unable to cause fire in any part of the system intended for use in hazardous areas. Advantages of Intrinsic safety: The main…
1. ISO 7-1:1994-05 Pipe threads where pressure-tight joints are made on the threads – Part 1: Dimensions, tolerances and designation 2. ISO 7-2:2000 Pipe threads where the threads are pressure-tight Part 2: Verification by means of limit gauges 3. ISO 49:1994 Malleable…
What is proof testing? Proof-testing is to identify random hardware failures to confirm the proper functioning of the commissioned equipment already in service. Proof testing is performed periodically as part of the process of commissioning or managing change to detect systematic (human)…
What is Pressure The pressure is the ratio of force to the area over which that force is distributed, it is the force per unit area applied in a direction perpendicular to the surface of an object. An action of one force…
What is cable routing? Cable routing is a structure used to protect the cable from mechanical stress and harsh situation such as abrasion which might degrade the insulation. There are different types of cable routing techniques used: Conduits Trays Busways Conduits: Conduits…
See contents: What is an oil burner? Vaporizing Oil burner Atomizing Burners Types of Oil burner What is oil burner? An oil burner is a mechanical device that mixes fuel oil with the right amount of air before the blend is delivered…
In reaction to modifications in the input variable, a process transmitter typically “measures” a process variables such as, flow, intensity, temperature, pressure-and generates an output. Most transmitters incorporate a sensor that measures the input variable and delivers an output common to 4–20…
What is Damper? A damper is a valve or plate that prevents or controls air flow within a duct, chimney, variable air volume box, air handler, or other air handling machinery. A damper can be used to cut off or control central…
What is Fire alarm system? Fire alarm system is activated by several detectors arranged in several zones, where each zone has one address itself, namely by adding an addressing module at each circuit (zone). Smoke detectors, heat detectors, manual call points, interfacing…
What is turbine? A turbine is a mechanical rotating tool that uses and transforms energy from a fluid flow into helpful job. A turbine is a turbine with at least one shifting portion (rotor installation) connected to a shaft or drum. Moving…
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