hydraulic current
rectilinear current
rotary current
harmonic current
第1题:
A vessel engaged in ______ shall not impede the passage of any other vessel navigating within a narrow channel or fairway.
A.mine clearance operation
B.towing operation
C.dredging or surveying or underwater operation
D.fishing
第2题:
A tow that is properly aligned to pass through a narrow opening between two bridge piers is " ______".
A.on course
B.headed fair
C.holding on
D.in shape
第3题:
For a current liability to exist, the following two tests must be met. The liability must be due usually within a year and must be paid out of current assets.()
第4题:
Cisco Clean Access ensures that computers connecting to your network have which of the following?()
第5题:
There are two areas off the N coast of France,which remain dangerous because of ______.
A.the density of vessel traffic on passage through the strait
B.the fact that the passage through the strait is constricted by a series of narrow banks,running NE-SW
C.mines lied in the war of 1939-1945
D.the strong tidal streams in the strait
第6题:
A swift current occurring in a narrow passage connecting two large bodies of water,which is produced by the continuously changing difference in height of tide at the two ends of the passage,is called a ______.
A.hydraulic current
B.rectilinear current
C.rotary current
D.harmonic current
第7题:
You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE?
A.Yours is the give-way vessel because it is less than 30 meters long
B.You shall not impede the safe passage of the tanker
C.The tanker is the stand-on vessel because it is to port of your vessel
D.The tanker is the stand-on vessel because it is the larger of the two vessels
第8题:
Vee-type engines have the connecting rods from two cylinders connected to each _____ of the crankshaft.
A.throw
B.web
C.main bearing
D.deflection
第9题:
A ______ is created by a pressure gradient or slope in the water level.
A.gradient current
B.density current
C.swift current
D.torrent current
第10题:
Which two pieces of information does the Cisco WLC v5.2 client monitor feature provide about a VoWLAN client?()