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Electrical

Difference between Fuses and Circuit breakers

Fuses and circuit breakers are overcurrent protection devices used in electrical circuits, which interrupt...
Control System

What is a PID control action?

TWhat is a controller and why is it required in a process system?What is...
Condition Monitoring

Theory of Vibration sensors

Introduction Sensors used to measure vibration come in three basic types: displacement, velocity, and acceleration....
Instrumentation

Advantages/disadvantages of Pneumatic & Hydraulic Actuators

Pneumatic Actuators A set of devices into with one or more pneumo engines, which are determined...
Instrumentation

Hazardous area classification

The engineer must select the area classification from several categories and ensure that the...
Electrical

Fuse and Types of Fuses

What is a Fuse: The fuse is an electronic device, which is used to protect...
Electrical

What is Marshalling Cabinet or Marshalling Panel?

What is the purpose of marshalling cabinets? Marshalling means grouping of I/O. The marshalling panel...
Electrical

Smart MCC and it’s advantages:

MCCs are the motor control center for which is a floor mounted assembly for motor...
Electrical

Cooling of transformers

    Simple air cooling of the transformers is adopted in dry type transformers. The limit for...
PLC

Guidelines for PLC wiring

Introduction The PLC – programmable logic controller – is an industrialised computer designed specifically for...
Flow Measurement

What is Laser Doppler anemometer

Introduction  The Doppler effect is a method to measure linear velocity. When a narrow laser...
Interview Questions

PLC Interview Questions with Answers Part 2

This session is the continuation of  PLC Interview Questions with Answers Part 1 This...
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