Category: General Concepts.

Simplex, Half-Duplex, and Full Duplex

These are operational terms, and they will be used throughout this text. Simplex is one-way operation; there is no reply…

Introduction to the Busy Hour and Grade of Service

The PSTN is very inefficient. This inefficiency stems from the number of circuits and the revenue received per circuit. The…

Telephone Numbering and Routing

Every subscriber in the world is identified by a number, which is geographically tied to a physical location.4 This is…

Introductory Topics In Telecommunications

An overall telecommunications network (i.e., the PSTN) consists of local networks interconnected by one or more long-distance networks. The concept…

Introductory Concepts

What Is Telecommunication? Many people call telecommunication the world’s most lucrative industry. In the United States, 110 million households have…

Lighting

Power Plants and Types of Power Plant

What is Power Plant? A power plant or a power generating station, is basically an industrial location that is utilized…

Power Plants – Introduction

Energy is required for everything that we do, and it is the next important thing apart from the food upon…

Pressure gauge

A pressure gauge is used to indicate the steam pressure of the boiler. It is also called as steam gauge.…

List of Boiler Mounting Valves and Gauges

To provide for intelligent and safe operation of a boiler, a full complement of gauges and safety devices should be…

Fusible plug

The function of the fusible plug is to put-off the fire in the furnace of the boiler when the water…

Dead Weight safety valve

The Dead Weight safety valve consists of a valve V which is made of gun metal to prevent rusting. It rests on…