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Interview Questions

Control valve basic interview questions

1. What are the steps in selection of valve? - Material to be handled -...
Electrical

 Electrical signal and control wiring

Introduction There is much to be said for neatness of assembly in electrical signal wiring....
Level Measurement

Nuclear level measurement – Continuous and point measurement

The basic method of nuclear level measurement is sending radiation through the liquid and...
Electrical

What is the function of Magnetic Contactors ?

Introduction Most motor applications require the use of remote control devices to start and stop...
Electrical

Different types of Motor Enclosure

Introduction  A motor enclosure not only holds the motors components together, it also protects the...
Electrical

Three-phase induction motor – basics

The three-phase induction motor is the most commonly used motor in any power system....
Electrical

Motor Specifications

Introduction Nameplate The nameplate of a motor provides important information necessary for proper application or...
Electrical

Introduction to AC Motor Construction

Three-phase AC induction motors are commonly used in industrial applications.This type of motor has...
Electrical

Why is motor protection necessary?

Introduction  In order to avoid unexpected breakdowns, costly repairs and subsequent losses due to motor...
Automation

Preventive maintenance – basics

What is preventive maintenance? Preventive maintenance is an established operation performed on a plant or...
Electrical

Starting methods of motor

Introduction Today, various methods for Starting methods of motor are available. Changes, such as higher...
Electrical

The Safety barriers

One Way Barrier The security barrier ensures that any failure in the secure area (control...
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