搜题

【单选题】

If a line at right angles to the axis rotates about that axis and, at the same time, moves parallel to the axis, it will generate （）.

A、a helix

B、a helicoidal

C、a curve

D、a cone

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更多“If a line at right angles to the axis rotates about that axis and, at the same time, moves parallel to the axis, it will generate （）.”相关的问题

第1题

[单选题] A mooring line leading at nearly right angles to the keel is a （）.

A、spring line B、bow line C、stern line D、breast line

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第2题

[单选题] A mooring line leading at nearly right angles to the keel is a（）.

A、bow line B、breast line C、spring line D、stern line

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第3题

[单选题] A（） leads at right angles to the center line from the forecastle to the shore.

A、fore spring line B、fore breast line. C、head line D、stern line

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第4题

[单选题] （）leads at right angles to the center line from the stern to the shore.

A、An aft breast line. B、An aft spring C、The stern line D、A fore breast line

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第5题

[单选题] 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

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第6题

[单选题] Right at the top is（）It is 300 mm long and 25 mm wide with its upper edgs in line with the uppermost continuous watertight deck.

A、the deck line B、Plimsoll disc C、Plimsoll line D、sunmmer load line

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第7题

[单选题] If you need me, just let me know. I will（）

A、that's all right B、thank you C、all right D、not at all

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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、A.Abreast the heel B、B.At right angles to the boom when viewed from above C、C.Aft of the heel D、D.Forward of the spiderband

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第9题

[单选题] Which mooring line prevents sideways motion of a vessel moored to a pier（）.

A、A line led forward from the bow B、A line led aft from the bow C、A line led in the same direction as the keel D、A line led at a right angle to the keel

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