48 Instrumentation Interview Questions and Answers|| most frequently asked in an interview

Instrumentation is all about measurement and control. Any process plant has to continuously monitor and control four important parameters. Pressure Flow Temperature Level This can only be done with the help of instrumentation.  To monitor continuously,  first these parameters are to be measured and then controled.     Measurement: There are various instruments available for measurement of each of the above parameters. Pressure: Pressure gauges of various types, Pressure Transmitter's etc. Flow: Vortex flow meters, Magnetic flow meters,Turbine flow meters, Mass flow meters, Venturi flowmeters, Orifice flow meters etc. Temperature: Resistance Temperature Detectors (RTDs), Thermocouples, Thermistors, Temperature gauges etc. Level:  Differential Pressure Transmitters (DPT), Level Trolls, Level gauges, Rotameters etc.    Control:   In order to control the above parameters, we needcontrol systems. The widely used control systems are. Distributed Control System (DCS): A Process control system in which sensors/ transducers are distributed along the length and breadth of the plant and all these are interconnected in a network with controllers, operating stations etc. Emergency Shut Down System (ESD): A faster control system which basically houses all the complex loops. Hence it is safe to say that INSTRUMENTATION is the heart of any process plant. INSTRUMENTATION ENGINEER JOB DESCRIPTION RESPONSIBILITIES Reviews Client's technical documentation and requirements. Controls of subcontracted discipline engineering documents. Defines engineering requirements. Prepares the technical documentation for instrumentation and systems requisitions and performs the technical evaluations. Provides technical support to Project group. Optimizes instrument systems ensuring minimal cost and simplification in compliance with the required performance. Prepares specifications for instruments, systems (DCS, ESD, F&G) and installation. Prepares functional analysis (control, ESD, F&G). Implements instrument detail design on P&ID's. Prepares instrument data sheets and loop diagrams. Prepares instrument material take-off. Implements detail engineering activities (layouts, routings, supports...). Performs the F.A.T.  REQUIREMENTS Bachelor or Master degree with specialization in electricity or electro-mechanics and can present a working experience of at least 5 years. Good communication and interpersonal skills; Good command of Dutch and English; Knowledge and experience in the oil and gas industry is an advantage; Knowledge of Dutch and European regulations regarding the European ATEX / SIL guidelines is a plus; Knowledge of SPI (INtools) is an advantage. Video Rating: / 5

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