更多"When a pushing vessel and a vessel "的相关试题:
[单项选择]When a pushing vessel and a vessel（）ahead are rigidly connected in a composite unit they shall be regarded as a power-driven vessel.
A. is pushed
B. being pushed
C. was pushed
D. be pushed
[单项选择]A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of（）.
A. a vessel towing by pushing ahead
B. a power-driven vessel，not towing
C. a barge being pushed ahead
D. either answer A or answer B
[单项选择]A power-driven vessel pushing aheador towing alongside displays navigation lights and（）.
A. two all-round red lights in a vertical line
B. two yellow towing lights in a vertical line
C. two white masthead lights in a vertical line
D. two lights on the stern，one yellow and one white
[单项选择]A 20-meter power-driven vessel pushing ahead or towing alongside will display（）.
A. a single white light forward
B. two masthead lights in a vertical line
C. two towing lights in a vertical line
D. two all-round red lights where they can best be seen
[单项选择]A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）
A. One
B. Two
C. Three
D. Four
[单项选择]A vessel being pushed ahead is required to carry which of the following lights?（）.
A. Sidelights and a stern light
B. Sidelights only
C. Sidelights and a small white light at each end
D. A small white light at each end
[单项选择]Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.
A. Each vessel should show sidelights
B. Each vessel should show at least one white light
C. The barges should be lighted as separate units
D. The barges should be lighted as one vessel
[单项选择]My car was being（）when it was stolen
A. to repair
B. repair
C. repairing
D. repaired
[单项选择]Our lab was being（）when we visited the university.
A. rebuilt
B. rebuild
C. rebuilding
D. to rebuild
[单项选择]It is abnormal that when the engine is being turned by the turning gear or by hand, （）.
A. water discharges from the indicator cocks
B. no water is leaking into crankcase
C. no water in the scavenge belt
D. the rpm is lower than the speed of Dead Slow Ahead
[单项选择]When two AC generators are being paralleled, the breaker should be closed with the synchroscope pointer mating in the （）
A. "slow" direction, just before the 12 o'clock position
B. "fast" direction, just after the 12 o'clock position
C. "fast" direction, just before the 12 o'clock position
D. "slow" direction, just after the 12 o'clock position
[单项选择]When a man who has fallen overboard is being picked up by a lifeboat，the boat should approach with the wind（）.
A. astern and the victim just off the bow
B. ahead and the victim just off the bow
C. just off the bow and the victim to windward
D. just off the bow and the victim to leeward
[单项选择]When steam is being raised on a boiler, the water level will normally （）.
A. drop as the boiler warms up
B. rise as the boiler warms up
C. remain unchanged until the boiler is hot enough
D. rise and fall with the steam demand
[单项选择]When using a radar in a unstabilized mode，fixes are determined most easily from（）.
A. center bearings
B. tangent bearings
C. ranges
D. objects that are close aboard
[单项选择]At the instant when a string of casing being run from a ship is landed in the well head,（）.
A. the total weight in air of the casing string is removed from the ship
B. the hook load (weight of the casing string) is removed from the ship
C. the weight of the casing inside the riser is removed from the ship
D. the weight of the casing string added to the weight of the fill-up mud is removed from the ship
[单项选择]The propeller is pushed on to the tubeshaft taper and made tight by（）
A. a mechanical seal
B. keyway and key
C. a nut
D. shrinkage
[单项选择]When can routine communications be resumed when radio silence has been imposed?（）
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. If，in the Master's opinion，communications on that frequency will interfere with emergency communications
[填空题]It is
when
you nearly lose someone
when
you become
fully
conscious of how much you value
them
.
[单项选择]AR—3460、AR—4460光谱的WinOE软件主菜单由（）个部分组成。
A. 3
B. 4
C. 5
D. 6
