Knowledge material

Lightening holes Large apertures cut in floor plates, side girders, and tank bracket plates.In double bottom vessels they provide an access to the different cells for inspection and upkeep, besides taking weight off the structure, which is their principal object.In...

Survey of MSB Proper cleaning to be carried internally as well as externally normally carried out when board is completely dead (all generator stopped and prime mover locked off). Inspect for dirt and dust (electro clean and vacuum...

Title 1. Minimum requirements for seafarers to work on a ship Regulation 1.1 - Minimum age Regulation 1.2 - Medical certificate Regulation 1.3 – Training and qualifications Regulation 1.4 - Recruitment and placement Regulation 1.1 - Minimum age 1. The employment or work on board...

An electric propulsion system for a ship is often simply described as a diesel electric or turbo electric system. It is characterised only by the type of prime mover, with no reference to the...

Function-6 Surveyor - Banerjee & Rao sir Q. Safety precaution in Dry dock Q. Tig and Mig welding. Q. Vertical overhead welding precaution Q. Voltage transformer maintenance Q. How to pressure test dumb condenser? Q. Valve before seachest filter stuck. Actions? Q....

Crankcase The oil has to serve two purposes; Reduce frictionCool bearings A good quality mineral oil will serve the purpose of reducing the friction to the required level depending upon the metals involved & other conditions such...

General emergency alarm signal : Seven or more short blast followed by one long blast Emergency:- Immediate Action Required/Members of The Team STEERING GEAR FAILURE:- Revert to manual steering or else to emergency /alternative steering system.Exhibit NUC signals and broadcast security...

A number of very significant accidents which took place during the late 1980's, were manifestly trigger by human errors, with management faults also identified as imparting factors. Lord Justice Sheen in his investigation into the loss of the...

IMO has always paid great attention to the advancement of navigational safety. Since 1959 a whole series of measures have been introduced, in the form of conventions, recommendations and other instruments. The best known...

The variable delivery pump can run continuously in one direction, but have the cabpability of infinitely changeable discharge i.e., from zero to maximum in either direction.This is attained by changing the stroke of the pump piston....