Functions aboard a tanker or tank barge such as connecting，disconnecting，and topping off must be supervised by（）.

A . prevent the generation of flammable or combustible gas in tanks B . blow out cargo lines to prevent the build up of gas concentrations C . dilute tank atmospheres to keep gas concentrations below the lower explosive limit D . prevent fires in the pumproom by continually displacing flammable vapor

A . a tug comes alongside while the tanker is loading grade D and E cargoes B . a large，fresh oil spill is discovered immediately adjacent to the side of the tanker C . there is an electrical storm in the vicinity D . there is a fire on the dock or on a nearby vessel

A . Bending moments B . Initial stability C . Draft D . Trim

A . admission control B . DSCP classification C . monitoring D . marking E . scheduling

A . Packet Switching B . Access Layer Security C . Path Selection. D . VLAN Membership Assignment. E . Bridging between LAN segments. F . Micro-segmentation of Broadcast Domains.

A . the pump discharge B . the manifold connection C . each fire station discharge D . the pump statio

A . portable growler B . galvanometer C . visual inspection D . megohmmeter

A . cargo has been loaded or discharged B . cargo ghose is connected C . cargo pumps are started D . vessel is ready to handle cargo

A . as a connecting strap between the butted ends of plating B . to stiffen areas under points of great stress between beams C . to prevent the anchor from fouling when the brake is released D . to provide an extra heavy fitting in a lift cargo released

A . lower personnel down by a transfer basket B . lower food and water to personnel in a life raft C . lower the life raft down with its full complement D . move equipment around the deck

A . any certificated tankerman B . the master of the vessel C . the officer of the watch D . the person designated as person in charge

A . allow sufficient oxygen in the tank to sustain life B . prevent outside air from entering the tank C . provide more discharge pressure D . comply with pollution regulatio

A . monitors performance B . manages JVM memory C . serves J2EE applications D . manages the deployment manager E . manages configuration synchronization F . routes administrative requests to server

A . The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percent B . The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstacles C . All levels of maintenance must be performed by a licensed GMDSS Radio Maintainer D . The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraint

A . Any internal transfer of oil cargo during a voyage B . The discharge overboard in port or at sea of any bilge water accumulated in machinery spaces C . The loading or unloading of any or all oil cargo D . All of the above

A . GM B . the vertical center of gravity C . the longitudinal center of gravity D . the stress on the hull

A . It allows for rotation of the hook in the single mode B . It is required to“twin-up”30-ton pedestal cranes C . It is used to pick up light loads D . It is used to rigidly connect two crane

A . Contamination of the cargo B . Flash points C . Reid vapor pressures D . Specific gravitie

A . normal water supply at the water seal is lost B . the temperature of the inert gas being delivered to the cargo tanks is more than 150°F C . the cooling water supply to the scrubbers is lost D . all of the above

B．supposed to wear

You are on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______． A.Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps B.Stripped to one tank and then pumped out with the main pumps C.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps D.Gravitated to the centers from the wings and pumped out with the main pumps