FRESHWATER ALLOWANCE(FWA) & DOCKWATER ALLOWANCE(DWA)
The Fresh Water Allowance is the number of millimetres by which the mean
draft changes when a ship passes from salt water to fresh water, or vice versa,
whilst floating at the loaded draft.
FWA(in mm)...
BOILER BURNERS
FUNCTIONING OF BURNER
Feature
for efficient combustion of fuel are:
• Flame
has to be suspended
• Combustion
has to be stable
• Fuel
must be finely atomized over required range of output
• Air
supplied must be intimately mixed with fuel
• Speed of...
Shop trial & Sea Trial
Here we will discuss the brief nature of both , what all procedures are carried out during shop trials and sea trials.
A. Shop Trial
...
SOME BASICS Q & A PART 1
What is I.S.M. ?
The International Management Code for the Safe Operation of the Ships and for Pollution Prevention (International Safety Management (ISM) Code).
What is I.M.O. Convention ?
Conventions are main instruments of IMO, being binding...
Virtual Tappet
What is Virtual Tappet?
Unlike Aux Engines which have a manual tappet to adjust, there must be a tappet clearance for the Main Engine as well. But with the absence of a rocker arm...
NOx control
The NOx(Nitrogen oxide) control requirements of Annex VI applies to installed marine diesel engine of over 130 kW output power other than those used solely for emergency purposes irrespective of the tonnage of the...
CODES AND CONVENTIONS QUESTIONS & ANSWERS PART-16
Q. a. The legal system in countries around the world generally falls into one of two main categories common law system and civil law systems. What is the main difference between the two systems...
LUBE OIL ANALYSIS
Oil analysis(OA) is the lab test of the lube oil properties, suspended contaminants, and wear debris. OA is performed during routine maintenance to provide meaningful and accurate information on lubricant and machine condition. By...
RECOGNIZED ORGANIZATIONS
In the SOLAS 1974/1988 regulation I/6, MARPOL Annex I
regulation 6, MARPOL Annex II regulation 8, MARPOL Annex IV regulation 4,
MARPOL Annex VI regulation 5, LLC 1966/1988 article 13, TONNAGE 1969 article 7
& AFS 2001...