What is Weldability and different types of Welding ?
The weldability is the capacity of being welded into indivisible joints having certain characteristics such as weld strength, correct structure etc. that relies upon – Melting point Thermal conductivity Thermal…
Sewage Treatment Plant Construction and Maintenance.
The Sewage treatment plant (STP) is used onboard to treat and disinfect the sewage generated on ships before discharging overboard into the sea. It is very important machinery on a…
How does Gear Pump work? What are the 4 types of Gear Pump, Construction and Working
The Gear Pump is a rotary pump, a positive displacement type, used for pumping liquids. The pump consists of Driving Gear, Driven gear, and Casing. The driven gear is inside…
Reciprocating Pump Characteristics and Troubleshoot
It is commonly used in Bilge Pumps on ships because it does not create a “churning” effect else it is difficult to separate the oil and water in OWS. Characteristics…
Centrifugal Pump Overhaul complete process step by step
Before overhauling any centrifugal pump first start a standby pump and then stop the pump which we are going to overhaul. After that close the discharge valve and suction valve…
Oily Water Separator working in full detail
An Oily water separator is used on ships to discharge bilges overboard when any ship of 400 GT and above, is sailing en route. According to Marpol the oil content…
What is Bumping Clearance and how to adjust it
Bumping Clearance is the clearance between the top of the piston and the cylinder head of an air compressor when the piston is at the top dead centre (TDC). It…
Operating Principle of Fresh Water Generator and working
Before explaining the working of FWG here are some points one should know . The boiling point of water can be reduced by reducing the surrounding atmospheric pressure and by…
How to change over Duplex Filter in Auxiliary Engine
Fuel oil filters and lubricating oil filters have very important roles as they remove foreign matters or sludge in oil keeping the oil clean and maintaining the normal operation of…
Causes of Scavenge fire and what action to be taken
What are the causes of Scavenge Fire Excessive wear of the liner The piston rings wear out Broken piston rings or rings gets seized in the groove Dirty scavenge place…