Oil
filters, if regularly serviced, can remove solid contaminants from
crankcase oil, but chemical reactions may form liquids that are
corrosive and damaging. ( )
filters, if regularly serviced, can remove solid contaminants from
crankcase oil, but chemical reactions may form liquids that are
corrosive and damaging. ( )
举一反三
- One function provided by a hydraulic accumulator is to______. A: provide<br/>an area where air can separate from the oil B: provide<br/>an area to separate solid contaminants from the oil C: act<br/>as an oil and water separator D: absorb<br/>shocks occurring in the system
- Lube oil filters remove contaminants from oil more efficient if the oil being filtered is_______. A: heated to reduce viscosity B: cooled to increase viscosity C: pumped rapidly through the filte D: pumped through the filter under high pressure
- (Table: Oil Output) Refer to the table. The equilibrium outcome is:()Iran National Oil (profit in millions)Restrict Oil OutputExpand Oil OutputIraq National Oil Restrict Oil Output$78, $78$60, $89(profit in millions)Expand Oil Output$89, $60$65, $65 A: $78,<br/>$78. B: $65,<br/>$65. C: $89,<br/>$60. D: $60,<br/>$89.
- Which of the following is FALSE?____. A: The most common cause of a localized hotspot is due to friction. B: When the concentration of oil mist reaches about 13% oil mist (oxygen ratio), it is at its lower explosive limit. C: Tests have shown that it is necessary for a temperature of more than 800C to ignite oil mist in a crankcase under operating conditions. D: Many<br/>causes including external fire may result in crankcase explosion.
- What happens in many oil-exporting countries when oil prices go<br/>down?_____ A: They<br/>suspend import of necessities from overseas. B: They<br/>reduce production drastically to boost oil prices. C: They<br/>use their money reserves to back up consumption. D: They<br/>try to stop their economy from going into free-fall.