Marine Refrigeration and Airconditioning 3 min read
How charge air coolers of marine engines works
Charge air coolers or scavenge air coolers are used to cool down the charge air, usually after supercharger or turbocharger…
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Marine Refrigeration and Airconditioning 3 min read
HRC Fuse (High Rupturing Capacity Fuse) and its Types
This type of fuse contains a fuse wire in it, which carries the short circuit current safely for a given…
Marine Refrigeration and Airconditioning 7 min read
NPSHA Explained
The dreaded term NPSHA means Net Positive Suction Head Available. It`s a term that most people find difficult to relate…
Marine Refrigeration and Airconditioning 3 min read
Working of Electromagnetic brakes – Fail safe arrangement for Engine room cranes.
Basiclly, a lever which is connected to the arm which carries the brake shoes are pulled in when the circuit…
Marine Refrigeration and Airconditioning 5 min read
Test and Overhaul of Fuel Injection Valves of marine engines Why diesel oil testing is usually done first?
This article discusses the testing and the overhaul of fuel injectors of marine engines, the testing of the needle and…
Marine Refrigeration and Airconditioning 4 min read
Length between perpendiculars and its Significance
Length between perpendiculars, often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP is a term describing the length…
Marine Refrigeration and Airconditioning 3 min read
Difference between purifier and clarifier- GRAVITY DISC
1. The presence of a gravity disc in the purifier- There is a general misconception that gravity disc generates the…
Marine Refrigeration and Airconditioning 2 min read
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,…
Marine Refrigeration and Airconditioning 3 min read
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…
Marine Refrigeration and Airconditioning 4 min read
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…
Basics 2 min read
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…
Basics 6 min read
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…
