Electrical Instrumentation Inspection and QC Questions
1. WHAT IS THE STANDARD WIRE FILL REQUIREMENT FOR CONDUIT SEALING FITTING ? a) 30% b) 20% c) 25% d) 15% 2. WHAT IS…
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Selecting Corrosion-resistant Raceway Materials
for Process Industry (a) Light – Outdoor location with occasional atmospheric contamination within human tolerance. No spills of corrosive agent. Wiring system subject only…
Read articleSenior Power System Operation and Control Engineer
CV Senior Power System Operation and Control Engineer + Team Leader + Business Area Manager Function : • Team leader: o Responsible to manage…
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Lighting and Receptacle Circuit Wiring Requirements
This article defines the requirements for lighting and receptacle circuit wiring. References American Petroleum Institute (API) RP 540 Electrical Installations in Petroleum Processing Plants…
Read articleWELDABILITY OF STEEL IN WELDING
WELDABILITY OF STEEL HYDROGEN CRACKING: During fabrication by welding, cracks can occur in some type of steel, due to the presence of HYDROGEN. The…
Read articleRESIDUAL STRESS AND DISTORTION IN WELDING
TYPES OF DISTORTION: Longitudinal Transversal Angular Bowing& Dishing Buckling FACTORS EFFECTING DISTORTION: Parent Metal Property: Co-efficient of thermal expansion & specific heat per unit…
Read articleWhat is Non Destructive Testing? NDT Testing Types, Applications, NDT Methods
Non Destructive Testing (NDT), often referred to as NDT testing, is a group of inspection techniques used to evaluate the properties, quality, and integrity…
Read articleWELDING CONSUMABLES
There are 3-types of electrode: Cellulosic Rutile Basic CELLULOSIC ELECTRODE: It cannot be baked It has forceful arc Risk of hydrogen cracking High toughness…
Read articleSUBMERGED ARC WELDING PROCESS SAW PROCESS
SUBMERGED ARC WELDING (S.A.W) PROCESS This process uses Constant Voltage Power Supply (or) Flat Characteristic and Polarity used in this Process is D.C.E.P.The arc…
Read articleMETAL INERT GAS WELDING – METAL ACTIVE GAS WELDING
METAL INERT GAS / METAL ACTIVE GAS WELDING MIG / MAG welding are also called as Gas Metal Arc Welding Process (G.M.A.W). This process…
Read articleTUNGSTEN INERT GAS WELDING – GAS TUNGSTEN ARC WELDING
TUNGSTEN INERT GAS WELDING (OR) GAS TUNGSTEN ARC WELDING: Tungsten Inert Gas Welding (T.I.G) is also called as Gas Tungsten Arc Welding. (G.T.A.W).This process…
Read articleMANNUAL METAL ARC WELDING MMA WELDING
MANNUAL METAL ARC WELDING (M.M.A) OR SHIELDED METAL ARC WELDING (S.M.A.W) Manual Metal Arc Welding is also called as Shielded Metal Arc Welding. This…
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