Engine room Funnel- Construction, Regulation and Uses of Engine room funnel
A funnel which forms a part of the engine room , acts as a chimney for the exhaust of engines, boiler steam or engine room gases. It acts as a…
How Temperature of evaporator is controlled in refrigerators.- L.P CUTOUTS
The pressure in the evaporator is a measure of the evaporator temperature according to the gas laws. The vapor absorbs heat from the evaporator and its pressure rises at a…
Refrigeration and Air Conditioning systems onboard Ships- Vapour Compression systems
Moving heat from a lower temperature to higher temperature requires work to be done , according to second law of thermodynamics and this work can be done in many ways…
Random access methods
Random access methods are also known as contention methods where no station is assigned any priority, i.e. no station is superior to another station and none is assigned any control over…
A Protocol Using Selective Repeat
Selective repeat protocol, also called Selective Repeat ARQ (Automatic Repeat reQuest), is a data link layer protocol that uses sliding window method for reliable delivery of data frames. Here, only…
Go-Back-N ARQ
Go-Back-N Automatic Repeat reQuest (Go-Back-N ARQ), is a data link layer protocol that uses a sliding window method for reliable and sequential delivery of data frames. It is a case…
Stop and Wait ARQ
Characteristics · Used in Connection-oriented communication. · It offers error and flow control · It is used in Data Link and Transport Layers · Stop and Wait ARQ mainly implements Sliding Window Protocol concept…
Types of errors
These interferences can change the timing and shape of the signal. If the signal is carrying binary encoded data, such changes can alter the meaning of the data.These errors can…
Synchronous Optical NETwork (SONET)
Synchronous optical networking (SONET) is a standardized digital communication protocol that synchronously transfers multiple data streams over long distances through fiber optic cables. It is a physical layer specification that…
Cable Modems
Cable modem is a hardware device that is used to connect the computer with the Internet Service Provider (ISP) through the local cable TV line. It has two interfaces –…
