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operated manually once an hour operated until the engine has started placed into operation only at maximum load adjustable to meet lubrication requirements
Crankshaft revolution Type of engine (diesel or gasoline) Distance a piston travels during a stroke Number of pistons
the same, whether at sea, or during maneuvering adjusted during each hour of operation while at constant RPM higher at sea than while maneuvering lower at sea than while maneuvering
regulating the level of corrosion inhibitor in the primary cooling system the level of the freshwater expansion tank varying the engine load to meet temperature requirements the operation of the thermostatic valve
navigating with a low diesel engine speed navigating with a stable diesel engine speed increasing the efficiency of propeller increasing fuel injection
place standby cooler in operation reduce engine load check thermostatic valve clean sea water strainer
An emergency stop of the main engine to avoid a collision. An emergency reversal operation of the main engine to avoid a collision. An stop of the main engine to avoid a collision. A reversal operation of the main engine to avoid a collision."
changing filter elements would not interrupt engine operation filtering occurs twice in each pass of oil through the system clogging will not occur dropping pressure is half of that through a single filter unit
fire fighting pump the steering gear life boat engine the main engine
smoother engine operation advanced fuel ignition increased fuel economy reduced engine power
a two-stroke engine works without exhaust operation a two-stroke engine works without compression stroke a two-stroke engine works without expansion stroke a two-stroke engine works without suction operation
disengaging the clutch firstly, then stopping the main engine stopping the main engine firstly, then disengaging the clutch stopping the cooling water pump firstly, then stopping the main engine stopping the main engine and disengaging the clutch at the same time
principle principal cause case
Routine supervisory labor particularly the unproductive night-service labor isreduced Engine mal-operation is automatically sensed and manned The engine room need be manned at night in bad weather or close waters Some remedial measures can be taken automatically
has much to do with the operation of the engine and its life have much to do with the operation of the engine and its life has much doing with the operation of the engine and its life have much doing with the operation of the engine and its life
The sequence of events that produce a power pulse One rotation of the engine crankshaft One stroke of a piston All of the above
counterbalance the crank throws on the crankshaft keep the engine running smoothly between power stroke provide a belt-driving surface for the operation of auxiliary machinery prevent the engine from overspeeding
air binding of the engine cooling system a cracked water cooled exhaust manifold blockage in the heat exchanger faulty operation of the thermostat
the sump oil level oil flow sight glasses bearing temperatures all of the above
engine trails should be done after finishing the operation of turning the engine withthe turning gear and starting the engine on air briefly in the operation of engine trails, the main engine should be running in low-speed As to the ship equipment with twin main engine, engine trials should be done withone engine ahead and another engine astern at the same time the order “engine trials ” should be given by the bridge
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