Knowledge material

General emergency alarm signal : Seven or more short blast followed by one long blast Emergency:- Immediate Action Required/Members of The Team VAPOUR EMISSION:- Stop operation by fastest mean and raise emergency alarmStop accommodation ventilation and shut all openingsIdentify source,...

Pressure Jet Burner: This uses the pressure of the fuel oil to create atomization and a rotating spray. The fuel at the correct viscosity, flow through the centre passage of the burner, so the...

Q. A. How is the power to weight ratio of an engine sought to be increased by continuous development? Discuss the limiting factors. What is the typical power to weight ratio of a slow...

The rapid increase since the 1950s in the use of freight containers for the consignment of goods by sea and the development of specialized container ships, leading the International Maritime Organization (IMO), in 1967, to study the...

SYNCHRONIZING AND PARALLELING OPERATION OF ALTERNATORS Main generator units(steam turbine, diesel driven & shaft driven) have to be run in parallel to share a total load that surpass the capacity of a single machine specially when discharging cargo, loading...

Precautions are necessary to prevent the propeller jumping at release. A development of the keyless method involves a cast iron sleeve which is bonded into the propeller boss with a special form of Araldite...

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)...

The chief engineer(C/E) of the ship is the chief of the technical department of the ship. It is his duty to assure that the engine room(E/R) machinery works normally for the smooth voyage. According SOLAS convention, it...

A shore supply is required so that the ships generators and their prime movers can be shut down for major overhaul during a dry dock period. Requirements/Checks There must be a suitable connection box conveniently located...

Before mark v engine i.e. before 1991 man engines had throttle valves which works to dampen the exhaust valve closing also the thermal expansion of oil is taken care of this valve. Throttle valve is...