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Marine Engineering | Competency Exams Study Blogs

HELIX TYPE INJECTOR PUMP | FUEL INJECTION | | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE | MECHANICAL ENGINEER

Helix-type injector pump The injector pump is operated by a cam which drives the plunger up and down. The timing of the injection can be altered by raising or lowering.

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Marine Engineering | Competency Exams Study Blogs

FUEL OIL SYSTEM | FROM SETTLING TANK TO FUEL INJECTOR | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE | MECHANICAL ENGINEER

Fuel oil system The fuel oil system for a diesel engine can be considered in two parts – the fuel supply and the fuel injection systems. Fuel supply deals with.

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Marine Engineering | Competency Exams Study Blogs

SCAVENGING – CROSS FLOW , LOOP , UNIFLOW TYPE | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE | MECHANICAL ENGINEER

Efficient scavenging is essential to ensure a sufficient supply of fresh air for combustion. In the four-stroke cycle engine there is an adequate overlap between the air inlet valve opening.

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Marine Engineering | Competency Exams Study Blogs

TWO STROKE CYCLE | TWO STROKE CYCLE DIAGRAM | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

Two-stroke cycle The two-stroke cycle is completed in two strokes of the piston or one revolution of the crankshaft. In order to operate this cycle where each event is accomplished.

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Marine Engineering | Competency Exams Study Blogs

FOUR STROKE CYCLE | FOUR STROKE TIMING DIAGRAM | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

Four-stroke cycle The four-stroke cycle is completed in four strokes of the piston, or two revolutions of the crankshaft. In order to operate this cycle the engine requires a mechanism.

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Marine Engineering | Competency Exams Study Blogs

MAINTAINENCE OF HEAT EXCHANGER | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

MAINTAINENCE OF HEAT EXCHANGERS The only attention that heat exchangers should require is to ensure that the heat transfer surfaces remain substantially clean and flow passages generally clear of obstruction..

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Marine Engineering | Competency Exams Study Blogs

SHELL TYPE HEAT EXCHANGER | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

Shell and tube heat exchangers for engine cooling water and lubricating oil cooling have traditionally been circulated with sea water. The sea water is in contact with the inside of.

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Marine Engineering | Competency Exams Study Blogs

PLATE TYPE HEAT EXCHANGER | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

The obvious feature of plate type heat exchangers, is that they are easily opened for cleaning. The major advantage over tube type coolers, is that their higher efficiency is reflected.

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Marine Engineering | Competency Exams Study Blogs

COMMON RAIL FUEL INJECTION SYSTEM | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

The common rail system has one high-pressure multiple plunger fuel pump.The fuel is discharged into a manifold or rail which is maintained at high pressure. From this common rail fuel.

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Marine Engineering | Competency Exams Study Blogs

VARIABLE INJECTION TIMING PUMP (VIT) | FUEL INJECTION PUMP | MEO CLASS 4 | MARINE ENGINEER STUDY GUIDE

  In the variable injection timing (VIT) pump used in MAN B&W engines the governor output shaft is the controlling parameter. Two linkages are actuated by the regulating shaft of.

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