One ()of the pilot ladder has been damaged. Please repair it at once.
A、A.step
B、B.shackle
C、C.chain
D、D.cable
A、A.step
B、B.shackle
C、C.chain
D、D.cable
A、the direct acting relief valve is used for controlling lower flows and pressure B、the pilot operated relief valve is used for controlling higher flows and pressure C、the pilot operated relief valve is used for controlling lower flows and pressure D、the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
A、act as a pilot from the solenoid valve B、regulate the amount of refrigerant flow to the coil C、regulate the water flow D、turn the compressor off and on
A、A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel B、B.State his concerns to the Pilot but do not interfere with the handling of the vessel C、C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears D、D.Recommend an alternative action and if not followed relieve the Pilot
A、A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel B、B.State his concerns to the Pilot but do not interfere with the handling of the vessel C、C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears D、D.Recommend an alternative action and if not followed relieve the Pilot
A、Insure that helm and throttle orders given by the Pilot are correctly executed B、Judge the appropriateness of the Pilot's orders and countermand them if necessary C、Supervise the signaling and flag etiquette D、Record the bells and their times in the bell book
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