A.yearly inspection
B.quarterly inspection
C.monthly inspection
D.weekly inspection
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A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line
A.positive correction
B.dip error
C.negative correction
D.semidiameter error
A.Restricted area
B.Closed area
C.Prohibited place
D.Forbidden place
A.beats
B.beasts
C.bacons
D.battens
最新試題
Anchors are prevented from running out when secured by the（）.
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.
An LWT anchor often has difficulty tripping in（）.
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?（）
As oil pipe line connections were broken，（）quantity of oil was caused to spill onto the wharf and into the dock water.
An example of a messenger is a（）.
The portable radio apparatus means（）.