Marine Machinery, Engines & Controls
Troubleshooting Marine Auxiliary Diesel Engines (Starting Problems) This article discusses the different starting problems and troubleshooting of marine auxiliary diesel engines. The problems discussed are not turning on air, not…
DCN – Analog Transmission
To send the digital data over an analog media, it needs to be converted into analog signal.There can be two cases according to data formatting. Bandpass:The filters are used to…
DCN – Digital Transmission
Data or information can be stored in two ways, analog and digital. For a computer to use the data, it must be in discrete digital form.Similar to data, signals can…
Layout of Auxiliary Equipment in a Steamship
This article describes the auxiliaries mandatory to the efficient running of a steam turbine ship and their location. Marine Turbine Auxiliaries I have laid out the marine steam ship engineroom as I…
DCN – Physical Layer Introduction
Physical layer in the OSI model plays the role of interacting with actual hardware and signaling mechanism. Physical layer is the only layer of OSI network model which actually deals…
DCN – Computer Network Security
During initial days of internet, its use was limited to military and universities for research and development purpose. Later when all networks merged together and formed internet, the data useds…
Construction Materials for Marine Diesel Engines
Metals and their alloys are the backbone of all engineering projects and products. Metals are found as compounds like oxides, carbonates, phosphates and sulphides, etc. in nature. These compounds are…
DCN – Computer Network Models
Networking engineering is a complicated task, which involves software, firmware, chip level engineering, hardware, and electric pulses. To ease network engineering, the whole networking concept is divided into multiple layers.…
DCN – Computer Network Toplogies
A Network Topology is the arrangement with which computer systems or network devices are connected to each other. Topologies may define both physical and logical aspect of the network. Both…
DCN – Network LAN Technologies
Ethernet Ethernet is a widely deployed LAN technology.This technology was invented by Bob Metcalfe and D.R. Boggs in the year 1970. It was standardized in IEEE 802.3 in 1980. Ethernet…
