A liner is a vessel with regular sailing or arrivals on a stated schedule between specified ports.

A . The Master of the vessel must be on the bridge when the radar is in use B . The radar equipment is only required to be used in restricted visibility C . The use of a radar excuses a vessel from the need of a look-out D . This equipment must be used to obtain early warning of risk of collisio

A . American Consul B . Classification Society C . Captain of the Port D . Officer in Charge，Marine Inspectio

A . If one screw is stopped，the ship will turn toward the side of the stopped screw B . The principal force which turns the ship is set up by the wake against the forward side of the rudder C . Turning response by use of the rudder only is greater than on a single-screw vessel D . With the rudder amidships，the ship will steer a fairly steady course

A . Cargo Manifest B . Certified Crew List C . Curio List D . Shipping Article

A . a single mast B . two masts: with the mizzen stepped abaft the rudder post C . two masts: with the mizzen stepped forward of the rudder post D . at least two masts: a foremast and a mainmast

A . A flashing yellow light B . A red light visible all around the horizon C . A green light visible all around the horizon D . An illuminated red and yellow caution flag

A . pallet B . barrel hook C . spreader D . snotter

A . Ballast Control Operator B . Barge Supervisor C . Master or Offshore Installation Manager D . operators representative

A . wearing a life jacket B . wearing a safety harness secured to the stage C . wearing both a life jacket and a safety harness secured to the stage D . the vessel is not making way

A . turning to port B . turning to starboard C . decreasing speed D . increasing speed

A . turning maneuver B . course setting C . position fixing D . regulating speed

A . around B . among C . in D . betwee

A . The aluminum will provide greater resistance to the spread of fire by conduction B . The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals C . If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fracture D . The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosio

A . every week B . a day C . every trip D . a watch or once a trip，whichever is shorter

A . ahead of the storm center B . in the dangerous semicircle C . in the navigable semicircle D . directly in the approach path of the storm

A . When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result B . When going directly from full ahead to full astern，there is complete steering control C . When the vessel has headway and the propeller is in neutral，there is no effect on rudder control D . When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

A . Safety alarm B . Distress alarm C . Fire drill alarm D . General emergency alarm

A . about one-quarter of the vessel's length from the stern B . at the bow C . about one-third of the vessel's length from the bow D . aft of the propeller

A . radar scanning B . radar plotting C . compass bearings D . All of the above

A . Danger of heavy ship sweat exists； constant and vigorous ventilation is required B . There is danger of heavy cargo sweat if outside air is introduced by ventilation C . There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed D . The possibility of any sweat problem，either cargo or ship，is remote

A.Start the exhaust blowers B.Start the intake blowers C.Not ventilate the cargo holds D.Ventilate the cargo holds

A.Quickly to port，then more slowly to port B.Probably to port C.Slowly to port，then quickly to starboard D.Probably to starboard