Marine Engineering Review

A system that organizes schedules and coordinates all the maintenance activities of the vessel. = Planned Maintenance System The temperature of the steam flow to the saltwater feed heater, in a flash type evaporator can be manipulated by a/an = attemporator in the steam supply piping. In a two-stage flash-type evaporator, excess brine in the first stage automatically passes = into the second stage flash chamber. The Continuous Machinery Survey (CMS) is a method for systematically, continuously and sequentially surveying machinery and equipment within a _________. = 5-year period The objectives of feed water treatment and chemical control can be listed as follows except = Reduction of cost for operation or maintenance The vacuum maintained in the salt water feed heater shell of a flash-type evaporator is generally accomplished = by an external line from the first stage via a fixed orifice Excessive lube oil consumption in a reciprocating air compressor is an indication of = wo...

Fill in the blanks (Choose the correct answer from the choices below) 1._____________refers to Engines operating at 55 – 150 R.P.M working exclusively on a two stroke cycle are of crosshead construction which allows complete isolation of the cylinders and the crank case and are directly coupled to the propeller.Fill in the blanks (Choose the correct answer from the choices below 2.The __________acts as the main strength member maintains correct alignment and supports the weight of the components. It must be capable of withstanding the fluctuating forces created during operation and transmit them to the ships structure. 3.Unbalanced _______forces in the running gear are considered to be one of the forces acting on the bed plate. 4.____________ has the disadvantages that each block must be individually fitted, a time consuming process, and after fitting are susceptible to fretting and wear. ___________ are poured and therefore are much quicker to apply. They form in...

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What are types of piston ring located at the piston grooves? If the engine HT water temperature rises rapidly, what should be the cause? What is the indication of an overloaded main propulsion diesel engine? Calcium minerals in boiler water are precipitated out of solution by the use of which of the listed chemicals?  What do most of the fuel injection pumps have which will then close after injection?

What is the function of oil flash monitor in a Ship propulsion main engine? What type of sensors thus the oil flash monitor have? In a typical fuel injection pump, what is the main purpose of the fuel rack?     A.To adjust the amount of fuel to be injected     B.To adjust the timing of injection     C.To regulate the amount of fuel return     D.To regulate the pressure of fuel to be injected What is the difference between a oil flash monitor to an oil mist detector for main engines?  How is cooling of fuel injectors achieved?     A.By cooling water on internal cooling passages     B.By fuel oil return lines built into the unit     C.By the velocity of fuel through the nozzles     D.Either A or B