In a typical fuel system, the oil is stored in _____ in the double bottom.
A. setting tanks
B. service tanks
C. storage tanks
D. drain tanks
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If diesel oil in this tank is used, the _____ of the oil must not exceed 120 degree℉.
A. viscosity
B. flash point
C. acid value
D. temperature
Which factor of the followling affects not only the fuel's combustion but also the engine's maintenance?
A. The cetane number.
B. The flash point.
C. The viscosity.
D. The setting point.
Which factor of the followling affects the fuel's combustion?
A. The setting point.
B. The flash point.
C. The cetane number.
D. The mechanical impurities.
Which factor of the followling affects the engine's maintenance?
A. The calorific value.
B. The sulphur.
C. The cetane number.
D. The setting point.