Freaking Freezers!
TCF, as we will call him, has a digital temperature controller/thermostat and tells me that 39.2°F is the perfect temperature for his fridge. How he comes to this conclusion is…
Why a diffuser is given in the atomizer of a pressure jet boiler
A diffuser is a Round plate with a circular hole in the middle, and a number of radial grooves, which is placed in front of a jet atomizer of a…
Jerk type fuel pumps having injection timings retarded-Why?
Fuel pumps plungers are machined to very fine tolerances, as is the matched barrel in which it reciprocates. This means that a plunger from one fuel pump cannot be used…
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 compressor in diesel engines. In marine engines, the charge air…
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 time period. During this period, if fault is removed, then…
NPSHA Explained
The dreaded term NPSHA means Net Positive Suction Head Available. It`s a term that most people find difficult to relate to in part because they have no idea what value…
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 is denergized, it releases only when the circuit is energized…
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 guide condition of the fuel valve, and the procedure to…
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 of a ship. LBP refers to the length of a…
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 interface between oil and water in the purifier. this is…
