This question falls under marine engineering.
Engine watch keeping duties include monitoring the ship's dials and gauges that can indicate malfunction needing immediate correction. Once any abnormalities are detected it the watcher must notify proper personnel.
The number of people needed to take deck watchkeeping depends on the size of the ship. Watchkeeping means to operate a ship continuously, so technically you would only need two people to work 12 hour shifts.
You can check in dg site press icon - indos/cop and give the information of indos number and date of birth
Nine months for coastal vessel and six months for foreign going vessel
revoltion per min in engine
It is the amount of torque a engine makes.
The BHP in a marine vessel engine has the meaning of Brake Horse Power. Brake Horse Power is power that is measured in the engine's crankshaft.
what is the 1.5 liters meaning I need to vedeyo
No it isn't an interference engine meaning if the timing belt breaks there will be no damage to the engine.
hp=horsepower
yantra(machine)