If the detergent type lubricating oil being used in a diesel engine is black, the oil （）
The removal of （） from lubricating oil will reduce engine wear and possible breakdowns.
Which of the listed cylinder liner surface conditions indicates proper lubrication?（）
The main function of the lubrication system in to enable （） of a film of oil between the moving parts.
The term "pour point" is defined as the lowest temperature at which lubricating oils will flow （）.
The （）pump is usually used as the lubricating oil pump.
The （） of the lubricant should be sufficient to hold the film together, but it should allow the lubricant to flow easily.
Large marine diesel engines of crosshead construction generally have two systems of lubrication: a total loss system feeding the （） and a recirculation system lubricating the running gear and cooling the piston.
Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the （）.
The remaining oil in the lubricating pipes and ducts should be blown out with （）.
On small, low pressure, air compressors, the cylinders are usually lubricated by the （）.
（）diesel engines generally have two systems of lubrication:（）a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.
The most crucial time for any bearing with regards to lubrication is （）
The amount of lubricating oil in the drain tank should be checked by （）.
The pour point of lubricating oils is affected the most by which of the following?（）
The lubricating pipes and dusts should be blown out with （）.
There should be a lubricating oil （） between the main beatings and the crankshaft.
Which of the following statements is correct concerning the viscosity of lubricating oil?（）
Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（）
The following options are all the functions of lubricating oil except（）
There is a （） system lubricating the running gear and cooling the piston and sometimes lubricating the cylinders.
The lubricating oil is pumped from the drain tank, very often with （） in the suction line.
（） that everything in the engine crankcase is correct, start up the crankcase lubricating oil pump.
The key functions of lubricants include （).
