Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?()
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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Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means ().
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The removal of () from lubricating oil will reduce engine wear and possible breakdowns.
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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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Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they ().
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Engine coolant accumulating in the diesel engine lubricating oil can result from a ()
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The ()pump is usually used as the lubricating oil pump.
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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 amount of lubricating oil in the drain tank should be checked by ().
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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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There will usually be summaries or daily account tables for heavy oil, diesel oil, lubricating oil, and fresh water, which will be compiled()
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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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There should be a lubricating oil () between the main beatings and the crankshaft.
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Lubricating oil should be changed on a heavy duty diesel engine when().
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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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In engines with system, the lubricating oil can be added to the engine through the filling hole in the crankcase cover, by using a hand oil can, or through the separator pipe()
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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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() providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.
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Lubricating oil viscosity in an operating diesel engine can be reduced by()
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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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Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause______.
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