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Interview Questions

PLC Interview Questions with Answers Part 1

In this session we are gonna discuss about some PLC Interview Questions with Answers and...
Electrical

Advantages of Three-phase over single phase transmission

A three-phase generator means instead of a single coil rotating through a magnetic field,...
Electrical

Different types of time delay relays

Introduction Time delay devices are used for delaying the start-up, shutdown, recycling, or continuation of...
Electrical

Time delay relays

Introduction The time delay relays are special purpose relays or logic components that have some...
Instrumentation

Working of Dead Weight Tester

Description The dead weight tester apparatus consists of a chamber that is filled with oil-free...
Electrical

Basics of Motor Control

Introduction The energy distribution systems used in large commercial and industrial applications can be complex....
Control Valve

Control Valve guiding

Valve guiding is necessary for proper alignment with the seat ring and efficient control...
Electrical

Introduction to Induction Motor

Introduction One of the most common electric motors used in most applications is known as...
Instrumentation

What is an annunciator ?

INTRODUCTION The purpose of an alarm system (annunciator) is to bring attention to an abnormal...
Control Valve

Types of pressure relief valves

Pressure relief valves: Pressure relief valves are safety valves that are designed to prevent internal...
Electrical

Introduction to Electrical Power Transformer

Definition of Transformer A transformer is a static machine used for transforming power from one circuit to...
Electrical

What is Microprocessor Based Relay?

Introduction Microprocessor relays provide many functions that were not available in electromechanical or solid-state designs....
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