MAIN SWITCH BOARD (MSB) SAFETIES
MSB to be installed on the raised platform.
The location where the MSB is installed should have good ventilation, illumination & affected by minimum vibration.
No water or the oil pipes should pass above the MSB.
There...
SLOW STEAMING
Out of the total operational costs of a ship, fuel costs account for by far the highest proportion. In view of the global economic situation and the rising oil prices, shipowners and charterers are...
SHAFT DRIVEN GENERATOR ARRANGEMENT
The a.c. shaft generator is a synchronous machine which produces alternating current with a frequency that is dictated by variations in engine speed. At the full rated r.p.m., frequency may match with the electrical...
BOILER SURVEY
Twice in 5 years
Open the boiler vent valve when pressure inside is just above the atm pressure to ensure that there is no vacuum in the boiler Allow the boiler to cool and...
PRESSURE SETTING OF SAFETY VALVES
Before attempting to adjust the safety valves of any boiler,its essential to verify the accuracy of the boiler pressure gauge,safety valves must be set at a pressure not exceeding 3% above the approved working...
MEO CLASS IV FUNCTION-3 (COSCOPOOL) ORAL QUESTIONS PART-2
Q. Regulations for pumping out bilges and cargo residues
Q. Discharge criteria of Annex 1?
Q. What is Annex 2? Categories
Q. What is the constructional requirement for carrying category X cargo?
Q. What are the requirements to...
INTERNATIONAL POLAR CODE
The international maritime organization (IMO) has accepted
a mandatory Polar Code to provide for safe ship operation & environmental
protection in the Polar Regions. If you are onboard a ship in the Arctic or
Antarctic waters, then...
RUDDER ANGLE INDICATOR
It is a device which is used to indicate the current position of the rudder blade, normally fitted in the wheelhouse, bridge wings and engine control room.
A rudder angle indicator consists of a feedback...
Stuffing box
PURPOSE OF STUFFING BOX
Provides sealing between Scavenge space and CrankcaseUpper section prevents scavenge air & residues from scavenge space entering crankcase
Lower section prevents oil carry over by piston rod from crank...
THERMODYNAMIC STEAM TRAP
Operation
The thermodynamic steam trap is simple and robust in design. It operates by means of the dynamic effect of flash steam as it passes through the trap, as shown in figure (i).On start-up, incoming...