80+ Flow Measurement Interview Questions and Answers
Flow Measurement Interview Questions: Preparing for a Field Instrumentation Interview then read this article about flow measurement and test yourself.
What is a Hydraulic Actuator ?
Pneumatic actuators are normally used to control processes requiring quick and accurate response, as they do not require a large amount of motive force. However, when a large amount of…
Relay circuits
Relays may be connected together to perform logic and control functions, acting as logic elements much like digital gates (AND, OR, etc.).
Pressure and Temperature Gauges
PRESSURE GAUGES Bourdon tube pressure gauge Diaphragm pressure gauge Capsule pressure gauge Bourdon tube pressure gauge with chemical seal Differential pressure gauge Absolute pressure gauge with diaphragm TEMPERATURE GAUGES Bimetallic…
Logic Gates
The word “discrete” means individual or distinct. In engineering, a “discrete” variable or measurement refers to a true-or-false condition. Thus, a discrete control system is one designed to operate on…
Pre-Startup Safety Review (PSSR)
The term Prestartup Safety Review (PSSR) first received prominence in the process industries with the introduction of the Process Safety Management (PSM) regulations. In the United States two federal agencies,…
Siemens Pressure Transmitter with Remote Seals Calculations
Remote seals of sandwich design are fitted between the connection flange of the measuring point and a dummy flange. Remote seals of flange design are fitted directly on the connection…
Gage and Absolute Pressure Transmitters Principle
Gage and Absolute Pressure Transmitters : Sensor Design for Gage Pressure Measurement The input pressure (pe) is transferred to the gage pressure sensor (6) via the seal diaphragm (4) and…
Siemens Differential Pressure Transmitter Calculations (Flange Type)
Siemens Pressure transmitters / differential pressure Transmitters, for flange type (Without remote seal) The Transmitter Lower Range Value (LRV) and Upper Range Value (URV) calculations for a siemens pressure/differential pressure…
Standard Temperature and Pressure Conditions
Standard temperature and pressure conditions as well as normal temperature and pressure conditions are used as reference points in thermodynamics of gases. Normally standard and normal temperature pressure conditions are…
