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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...
Control Valve

What is an automatic recirculating valve and where is it used?

The automatic recirculating valve is a type of control valve for the protection of...
Control Valve

What is a reversing valve?

A reversing valve can be seen in a heat pump, because of its ability...
Control Valve

What is a deluge valve and what is the need for a deluge system?

Table of ContentsWhat is a deluge system and why is it used?How does a...
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