Air line lubricators are used in compressed air systems to lubricate ().
相似题目
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A non-return valve in the air delivery line near to the compressor must be ()type similar to the compressor discharge valve.
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During repair,lubrication lines and orifices must be ().
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Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the ().
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Wristpin bearings are difficult to lubricate because of their oscillating motion and()
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You are preparing to lubricate standing rigging on your vessel.When rigging a bosun’s chair on a stay with a shackle,().
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Sludge may form in the lubricating oil crankcase of a reciprocating air conditioning compressor as a result of ().
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On small, low pressure, air compressors, the cylinders are usually lubricated by the ().
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The vapors given off by heated fuel oil are heavier than air and are().
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Starting air valves are held firmly on their seats by()
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Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine ()
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The injection may be delayed, ()the pumps are in good order, if the fuel lines to the injection valves have not been cleared of air.
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Two main lubricating oil pumps are usual and are obligatory in ().
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When the order () is received from the bridge, the main air stop valve in the starting air line should be shut.
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To obtain maximum efficiency, two stage air compressors are usually ().
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Air in the fuel lines to the fuel injection nozzles of a diesel will result in ().
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A () in the air delivery line near to each compressor is essential.
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Air reservoirs are designed, built and tested similarly to ().
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Diesel engine air start system check valves are opened by ()
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Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?()
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The following options are all the functions of lubricating oil except()
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Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are ().
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Air receivers installed in starting air systems are to be ().
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The lubricating oil is pumped from the drain tank, very often with () in the suction line.
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Isogonic lines are lines on a chart indicating ().