Calibration procedures, Instrumentation, Electrical,Interview question, Instrumentation job opportunities,Piping & Instrument diagram symbols,Flow transmitter calibration, DP type transmitter calibration,Control valve calibration,Flow measurement,Level measurement, Temperature measurement, hook up diagram,instrument data sheet,calibration procedure level transmitter,instrumentation engineers technique,unit conversion,networking technique
Hey guys without any further a due Here are the 43 interview questions about Piping/instrumentation 1.What are instrument categories? Ans: General, flow, temperature, pressure, level, density.etc. 2.Which instruments are handled by piping department ? Ans: flame arrestor, breather valve. 3.What are basic functions…
Introduction Hello guys this session contains 25 interview questions about CONTROL VALVES.And if you need to know more about these check out links described below. 1.What is “quick opening” control valve. For smaller movement of the stem, there is maximum…
Define System. A system is a combination or an arrangement of different physical components which act together as an entire unit to achieve certain objective. Define Control system. To control means to regulate, to direct or to command. Hence a control system…
Classification of Pressure measuring instruments We can classify the pressure measuring instruments into 3 major categories 1.Moderate Pressure measurement2.Very high-pressure measurement3.High vacuum measurement Moderate pressure measurement A – ManometersB – Mechanical displacement type Ring balance manometer Bell-Type ManometerC-Elastic pressure transducer …
absorptiometer instrument for measuring solubility of gases in liquids accelerometer instrument for measuring acceleration or vibrations acetimeter instrument for measuring strength of vinegar acidimeter instrument for measuring concentration of acids actinograph instrument used to calculate time of photographic exposure actinometer instrument for…
Pressure is defined as force per unit area. Pressure above atmospheric is mostly measured in pounds per square inch (PSI), or in kilo gram per square centimeter (kg/cm2) gauge or absolute. For lower pressure (below about 10 psi), inches or cms. of…
Standalone controller (PID) A controller is an instrument used for controlling a process variable (measurement). Its continuously monitors the error signal and gives a corrective output to the final control element. a measurement variable desired variable c deviation …
Level troll-Level measuring instrument A Level troll in and instrument used for measuring the liquid level between two known points. The Level troll works on the buoyancy principal. Leveltrol has a float, which submerses proportionately with liquid level raise in the float…
What are the process Variables? The process Variables are: • Flow. • Pressure. • Temperature. • Level. • Quality i.e. % O2, CO2, pH etc. Define all the process Variable and state their unit of measurement. ? Flow: Any fluids or liquids…