A: magnetic switch
B: regulator
C: thermostatic valve
D: expansion valve
举一反三
- In the lubricating oil system of the main engine, the function of _____ is to adjust the amount of lubricating oil entering the lubricating oil cooler according to the temperature of the lubricating oil. A: self cleaning filter B: lubrication oil pump C: three-way valve D: by-pass filter
- 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 ().
- A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water _____.
- A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water _____. A: around the engine B: around the coole C: to the expansion tank D: overboard
- ______can cause oil flow from water outlet of the oil purifier. A: Oil inlet valve opening too quickly B: Oil temperature little higher than normal C: Diameter of gravity disc too small D: Viscosity of oil little lower than normal
内容
- 0
Lubricating oil system parameters monitored by pilots mainly include A: oil pressure, oil temperature, metal filing, oil capacity B: oil color, oil temperature, dust, oil capacity C: oil pressure, oil temperature, dust, oil capacity
- 1
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
- 2
The main jobs of the _________ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil D: cooling fan
- 3
The main jobs of the _____ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil
- 4
Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?()