A、A.Replace the batteries
B、B.Check the sampling tube for blockage
C、C.Adjust the final reading by the amount the needle is displaced from zero
D、D.Replace the platinum filament
更多“If the meter needle of the oxygen indicator cannot be set to zero，what should be done? （）”相关的问题
A、rack position should be adjusted B、compensating needle valve should be opened fully compensating C、needle valve should be adjusted to stabilize operation D、speed limiting device should be adjusted
A、adjusts the idle speed control B、drain and flushes the governor and replace the oil C、adjusts the compensating needle valve
A、only if she is towing astern B、only if the tow exceeds 200 meters C、at any time when towing D、if the towing vessel is part of a composite unit
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top to the bottom
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top
A、ensure penetration and distribution of the fuel in the combustion chamber B、ensure the needle valve is flushed clean during each injection C、prevent combustion gas blowback into the open needle valve D、prevent reflected pressure waves when the needle valve closes
A、33 Feet (10 meters) B、100 Feet (30 meters) C、328 Feet (100 meters) D、1200 Feet (366 meters)
A、A.no fuel will be delivered through the nozzle B、B.the nozzle will overheat and crack C、C.time of injection will change D、D.fuel will leak into the drain line
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