slacked off
sent away
sent out
taken in
第1题:
The preventer guy,as used on a conventional yard and stay rig,______.
A.Is rigged at an angle of 70° to 90° from the guy it assists
B.Takes the strain imposed on the schooner guy when burtoning cargo
C.Is rigged when lifting cargo that exceeds the SWL of a single whip
D.Should take the strain if the regular guy parts
第2题:
The connected joints of pipe,usually made of three joints of pipe approximately 90 feet long,racked in the derrick when making a trip are called a ______.
A.String
B.Stand
C.Joint
D.Standpipe
第3题:
Navigation lights must be displayed in all weathers from sunset to sunrise. They also _____.
A.must be displayed when day signals are being used
B.must be displayed when moored to a pier
C.may be extingushed at night on open waters when no other vessels are in the area
D.may be displayed during daylight
第4题:
Could you show me ()to operate the derrick?
第5题:
When the derrick is lowered, the guys must be ().
第6题:
When the inert gas pressure is being ______ in the cargo tanks,particular attention should be paid to obtaining an oxygen concentration.
A.topped up
B.braced
C.tommed down
D.shored
第7题:
起货机出故障时,水手要去叫电工来修理。()
第8题:
In a married falls rig at the after end of a hatch,a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point ______.
A.Abreast the heel
B.At right angles to the boom when viewed from above
C.Aft of the heel
D.Forward of the spiderband
第9题:
The ()(吊杆托架) supports the derrick.
第10题:
Release the ()(制动器)when letting go the anchor.