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 ().
- Aa helix
- Ba helicoidal
- Ca curve
- Da cone
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 ().
1、The angle of maximum righting arm corr
The angle of maximum righting arm corresponds approximatelyto the angle of().Adeck edge immersionBthe load lineCdownfloodingDloll
2、At an angle of loll,the righting arm (
At an angle of loll,the righting arm (GZ) is().AmaximumBnegativeCpositive,but reflexiveDzero
3、If the Charterer sends a vessel to an
If the Charterer sends a vessel to an unsafe port,and she is damaged as a result,he will have to indemnify the().AReceiverBCargo ownerCShipownerDMerchant
4、A line on the Earth parallel to the eq
A line on the Earth parallel to the equator is a().Agnomonic curveBsmall circleCmeridianDgreat circle
5、The lay of a line refers to().
The lay of a line refers to().Aits normal location of stowageBthe direction of twist in the strandsCthe manner in which it is coiledDthe manner in which it is rigged
6、A mooring line leading 45° to the keel
A mooring line leading 45° to the keel,used to check forward or astern movement of a vessel,is called a ().Aspring lineBwarp lineCbow lineDbreast line