SIS – Safety Instrumented System Example
A Safety instrumented system (SIS) consists of an engineered set of hardware and software controls which are especially used on critical process systems. SIS - Safety Instrumented System Example Examples…
Use of line reactors
Regulating the electric power sent to an electric motor is a task performed by high-speed switching transistors inside a motor drive, modulating the pulse-width of a high-frequency square wave to…
Procedure for Crimping the Connector
Procedure for crimping the connector: For tubing we used double compression type fitting. Following are the procedure for the tubing: First select the proper size tube (Like as 6 mm,…
Process Pressure Measurement Objective Questions
Process Pressure Measurement Objective Questions 1. An ordinary commercial Bourdon gauge has a scale of 0 psi to 250 psi, and an accuracy of ±1 percent of span. If the…
Temperature and Humidity Objective Questions
Temperature and Humidity Objective Questions 1. To obtain the most accurate temperature record for the range 100° to 150°F, the filled thermal system elected would be: a. Class I b.…
Online Analyzers Questions & Answers
Online Analyzers Questions & Answers 1. Conductivity and pH measurement are: a. Two different techniques b. Similar in operation c. identical but given different names d. Two techniques that use…
MCQ on Flow Measurement
MCQ ON Flow Measurement 1.A differential pressure transmitter is calibrated 0 to 80 inches of water and transmits a 4 to 20 mA dc signal. This transmitter is placed across…
Split-Range, Auto-Selector, Ratio & Cascade Systems
Split-Range Control System Questions, Auto-Selector Questions, Ratio Control System Questions & Cascade Control System Questions. 1. An auto-selector control system should be considered when a. The process has more controlled…
Feedback Control Loop Questions & Answers
Feedback Control Loop Questions & Answers 1. With adequate gain and inphase feedback any system will: a. Drift b. Oscillate c. Increase amplitude d. Degenerate Answer: b 2. The natural…
Top 1000 Analytical Instrumentation Questions & Answers
Top 1000 Analytical Instrumentation Questions & Answers 1. Colorimetry and Spectrometry Spectral Method of Analysis UV Visible Spectrometers Absorption Instrumentation Single & Double Beam Instruments IR Instrumentation Infrared Spectrometers Atomic…
