Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by ().
相似题目
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If the detergent type lubricating oil being used in a diesel engine is black, the oil ()
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The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().
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The term "pour point" is defined as the lowest temperature at which lubricating oils will flow ().
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Which lubricating oil additive is used in diesel engines to reduce the tendency for sludge and varnish to form on the engine parts?()
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The sequence of parts in a generally used fuel oil supply system for a main engine is () (1)tanks in the double bottom (2)centrifuges (3)service tank (4)settling tank (5)viscosity regulator
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The ()pump is usually used as the lubricating oil pump.
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In a normally operating diesel engine, the main cause of lubricating oil contamination in the crankcase is a result of the ().
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The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its ().
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An important consideration in selecting a lubricating oil for use in a refrigeration compressor is for the oil to ()
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The pour point of lubricating oils is affected the most by which of the following?()
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Two main lubricating oil pumps are usual and are obligatory in ().
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One of function of diesel engine lubricating oil is to ()
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One characteristic of a lubricating oil adversely affecting the result of centrifuging is ()
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Which of the following statements is correct concerning the viscosity of lubricating oil?()
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The operating water is supplied under the ()of an oil separator.
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The temperature difference between the inlet and outlet temperature of the lube oil cooler in the lubricating system for the diesel engine is generally between ().
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The cylinder oil is pumped into the cylinder (via non-return valves) when the piston rings pass the lubricating orifices during ()
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() providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.
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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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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().
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Oil is supplied to the cylinder wall and () by means of mechanical lubricators.
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The lubricating oil is pumped from the drain tank, very often with () in the suction line.
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() that everything in the engine crankcase is correct, start up the crankcase lubricating oil pump.