Due to GPS roll over of the clock cycle，GPS receivers may give the wrong time and position or may lock up permanently on（）...

第1题

[单选题] When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.

A、broaching B、pitchpoling C、rolling D、yawing

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第2题

[单选题] The next train to Beijing（）here at 3 o'clock.

A、is due B、is due to C、is due for D、due to

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第3题

[单选题] A safety outlet is provided on the CO2 discharge piping to prevent（）.

A、over pressurization of the space being flooded B、rupture of cylinder due to temperature increase C、over pressurization of the CO₂ discharge piping D、flooding of a space where personnel are present

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第4题

[单选题] A mercurial barometer at sea is subject to rapid variations in height (pumping) due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n)（）.

A、syphon barometer B、cistern barometer C、aneroid barometer D、fortin barometer

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第5题

[单选题] A semisubmersible rig under tow should be ballasted down if（）.

A、motion begins to be excessive B、water begins to break over the pontoons C、period of roll exceeds 12 seconds D、forward progress is halted by head wind

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第6题

[] A mercurial barometer at sea is subject to rapid variations in height (“pumping”) due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n)（）.

A、A.syphon barometer B、B.cistern barometer C、C.aneroid barometer D、D.fortin barometer

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第7题

[单选题] When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.

A、clockwise, due to the bowl rotating clockwise B、clockwise, due to the bowl rotating counterclockwise C、counterclockwise, due to the bowl rotating clockwise D、counterclockwise, due to the bowl rotating counterclockwise

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第8题

[单选题] An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）

A、Cirrus B、Cumulus C、Stratus D、Nimbus

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第9题

[单选题] An atoll cloud forming over an island due to heating of the land during the daytime would be which type? （）

A、Cirrus B、Cumulus C、Stratus D、Nimbus

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Due to GPS roll over of the clock cycle，GPS receivers may give the wrong time and position or may lock up permanently on（）.

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