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PLC

What are the components of a PLC?

A PLC is a digitally operating electronic apparatus and it has a program memory...
PLC

PLC communications

How does a PLC communicate The PLC communication is needed when the application needs to...
PLC

What are the types of programming languages used in PLC?

Why is a PLC programmed? The PLC is programmed to execute certain actions, the program...
PLC

What are the different operating modes in PLC?

A PLC is can be described as a miniature industrial computer that would perform...
Instrumentation

PIPING DRAWING & TYPES OF PIPING DRAWINGS

What is a piping drawing? The main purpose of a piping drawing is to communicate...
Interview Questions

100 + PIPING INTERVIEW QUESTIONS

1. How to select a proper flange facing? A. The selection of a proper flange...
Instrumentation

What are flanges and why are they used in pipelines?

A flange is a device that can be used to connect two pipes mechanically,...
Control Valve

What is a special purpose valve and what are its types?

Table of ContentsTypes of special purpose valvesMultiport valvesWhat are the advantages of multi-port valvesFlush...
Field Instrumentation

What is a pump?

A pump can be described as a device that can transfer or raise the...
Control Valve

What is a subsurface safety valve?

The chances of uncontrolled flow in a wellhead are really high, so a subsurface...
Control Valve

What is an emergency stop valve?

The emergency stop valve is a shut-off valve that would cut of the process...
Control Valve

What is a bellow seal valve?

Table of ContentsWhat are the features of a bellow seal valve?Why bellow sealed valves?How...
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