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Browse our articles in publication order, with new stories added automatically.
General Concepts 1 min read
Titanic Facts
1.Titanic Was Built at Harland and Wolff, Belfast. 2.Titanic Had 24 double-ended and 5 single-ended boilers 3.The Center Propeller had…
Basics 3 min read
Physical Configuration and Network Elements
Three basic devices used in the SONET system are shown in Fig. 4.3.1. Functions of the three devices are mentioned…
Basics 2 min read
Why Synchronize?
In a synchronous system such as SONET, the average frequency of all clocks in the system will be the same…
General Concepts 3 min read
Wärtsilä 32GD main technical data
The Wärtsilä 32GD has been developed to set new standards in the market for high performance, fuel-flexible engines. The Wärtsilä…
Basics 3 min read
Synchronous Optical Network (SONET)
Specific Instructional Objectives At the end of this lesson the student will be able to: · Explain the operation of a…
Basics 2 min read
Datagram Packet Switching Networks
This approach uses a different, more dynamic scheme, to determine the route through the network links. Each packet is treated…
General Concepts 2 min read
Engine working principle of dual-fuel (DF) engines
The dual-fuel engine utilizes a “lean-burn” otto combustion process when operating on gas. Here, the gas is mixed with air…
Basics 3 min read
Packet Switching
The basic approach is not much different from message switching. It is also based on the same ‘store-and-forward’ approach. However,…
Basics 2 min read
Message Switching
In this switching method, a different strategy is used, where instead of establishing a dedicated physical line between the sender…
Basics 3 min read
Switching Techniques: Circuit Switching
Specific Instructional Objectives At the end of this lesson the student will be able to: · Understand the need for circuit…
General Concepts 2 min read
Dual Fuel Engines
Wärtsilä dual-fuel engines The Wärtsilä dual-fuel engines are unique because they have two different injection systems. A micro pilot injection…