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18 Cards in this Set
- Front
- Back
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If there is low compression in one cylinder then the probale cause is a bad _______ ____.
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Exhaust valve
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The seven basic readings for DEMPS are:
- - - - - - - |
Cylinder compression pressure
Cylinder firing pressure Cylinder exhaust temperature Crankcase Vacuum Intake manifold pressure Exhaust back pressure Lube oil consumption |
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Propulsion bearings and seals are what NSTM chapter?
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244
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Lube oil in the combustion spaces may produce ____ ____ smoke.
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Blue Hazy
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If you find Molybdenum particles what could be the source?
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Piston Rings
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If you find Boron particles what could be the source?
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Commonly found as additives in coolant, might indicate an internal water leak
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If you find Nickel particles what could be the source?
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Valves,crankshaft
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Spectrometric analysis for wear metals and physical property test of lube oils are completed whenever a sample is submitted to ____
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NOAP(Navy Oil Analysis Program)
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Performance tests will be completed at intervals of ___ operating hours.
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500
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_______ _____ leaking into the combustion system may produce white smoke.
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Cooling Water
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Heavy dense smoke indicates ___________.
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Overloading
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Combustion required for satisfactory engine operation is obtained by injecting, under pressure, a small quantity of accurately timed, _______, and ______ ________ fuel oil into the combustion chamber.
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Metered
Finely Atomized |
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White smoke shorty after getting underway indicates that the engine is not ____ enough for the load.
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Warm
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From the filter, the fuel passes through a _______ _______ into the supply chamber.
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Drilled Passage
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If it is not possible to carry full load on the engine due to limiting by the fuel cam in the governor then _______ the governor lever length.
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Shorten
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The lube oil and the engine jacket water should be within ____ degrees of the normal operating temperatures and the rotation per minute and load should be duplicated.
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Five
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A drop in the exhaust temperature and firing pressure only would indicate a problem in the ____ ______.
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Fuel System
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Jacket water temperature water temperature rise across engine should not exceed __ or __ degrees.
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10
12 |
