我
- A.vibration
- B.watertight integrity
- C.speed droop
- D.reactive power
- A.0.967
- B.0.033
- C.0.031
- D.0.969
- A.air from contacting the oil vapors
- B.permitting re-ignition boiling of the heated oil
- C.spontaneous combustion below the oil surface
- D.toxic fumes from escaping to the surface
- A.temperature
- B.pressure
- C.engine speed
- D.all of the above
- A.detect the temperature
- B.detect the pressure
- C.heat the refrigerant
- D.accelerate the refrigerant
- A.makes the experts to judge
- B.enables the experts to judge
- C.make the experts judging
- D.enable the experts to judge
- A.bottle
- B.injector
- C.piston
- D.barrel
- A.I
- B.II
- C.I + II
- D.III
- A.thousandth (10 to the -3rd power)
- B.millionth (10 to the -6th power)
- C.billionth ( 10 to the - 9th power)
- D.trillionth ( 10 to the - 12th power)
- A.air or water in the furnace
- B.combustion pulses
- C.fuel oil pump failure
- D.flame failure
