A、Oil level
B、Flow of cooling water
C、Exhaust discharge
D、All of the above
更多“Before starting any diesel or gasoline engine，which of the following must be checked? （）”相关的问题
A、Electric power and starting air B、Lube oil standby pump and control air C、Hydraulic switch and engage jacking gear D、Motor drain and pneumatic control system power
A、After operation, start the electric motor. B、Before operation, stop the electric motor. C、Before operation, start the electric motor. D、After operation, stop the electric motor.
A、ventilate all compartments，see that the machinery is clean and there are no obstructions B、just turn the key and start up C、take for granted that there are no fuel leaks D、assume there are no volatile fumes in the engine space
A、start chest compressions before the victim is removed from the water B、drain water from the lungs before ventilating C、begin mouth-to-mouth ventilations as soon as possible D、do not tilt the head back since it may cause vomiting
A、start chest compressions before the victim is removed from the water B、drain water from the lungs before ventilating C、begin mouth-to-mouth ventilations as soon as possible D、do not tilt the head back since it may cause vomiting
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