举一反三
- In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to ().
- What type of oil is not covered in the oil pollution law?() A: mineral oil B: machinery oil being transferred for shipboard use C: crude oil unrefined D: normal bilge oil and water
- In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces ____. A: all of the oil used by the engine through a filter B: some of the oil used by the engine through a filter C: some of the oil used by the engine through a centrifuge D: all of the oil used by the engine through a centrifuge
- In the oil purifier, the interface move outside the top disc, the oil will escape through_____. A: the sludge passage B: the sludge outlet C: the observe glass passage D: the water outlet
- Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?() A: Water discharging from the water outlet of the lube oil purifier B: Fuel oil discharging from the water outlet of the lube oil purifier C: Lube oil discharging from the water outlet of the lube oil purifier D: A change in the lube oil viscosity
内容
- 0
In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the ().
- 1
The __________ must be circulated between moving engine parts to prevet metal-to-metal contact. A: coolant B: fuel C: engine oil D: water
- 2
The function of lubricating oil is to( ) A: maintain even distribution of bearing wear B: maintain a constant oil temperature C: maintain a pressurized fluid film between moving surfaces D: remove entrained water
- 3
Which of the following determines the distribution of the extracellular fluid between the plasma and interstitial spaces? A: Sodium and protein concentrations in the extracellular fluid B: Balance between hydrostatic and colloid osmotic forces C: Osmotic pressure within cells surrounding an interstitial space D: Water concentration within the interstitial spaces
- 4
If there is water in fuel oil, the revolution of the engine will ().