The angle at the pole measured through 180°from the prime meridian to the meridian of a point is known as（）.

A、the departure

B、the polar arc

C、longitude

D、Greenwich hour angle

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更多“The angle at the pole measured through 180°from the prime meridian to the meridian of a point is known as（）.”相关的问题

第1题

[单选题] Cross curves of stability show which of the following?（）.

A、The righting arms at various angles of inclination and displacement B、The metacentric height at large angle of heel C、The height of the center of buoyancy at various angles D、The metacentric radius at various angles

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第2题

[单选题] Cross curves of stability show which of the following（）.

A、The righting arms at various angles of inclination and displacement B、The metacentric height at large angles of heel C、The height of the center of buoyancy at various angles D、The metacentric radius at various displacements

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第3题

[] The angle at which the anchor flukes penetrate the soil is the（）.

A、A.burial angle B、B.penetration angle C、C.fluke angle D、D.holding angle

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第4题

[单选题] The vertical distance between G and M is used as a measure of（）.

A、stability at all angles of inclination B、initial stability C、stability at angles less than the limit of positive stability D、stability at angles less than the downflooding angle

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第5题

[单选题] In the navigational triangle，the angle at the elevated pole is the（）.

A、meridian angle B、altitude C、right ascension D、azimuth angle

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第6题

[单选题] With a given load on the cargo hook，tension in a single span topping lift（）.

A、increases as the boom's angle to the horizontal increases B、is at a maximum when the boom is at a 45° angle to the horizontal C、increases as the boom's angle to the horizontal decreases D、decreases as the boom's angle to the horizontal decreases

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第7题

[单选题] The angle measured at the observer’s meridian from the elevated pole，clockwise or counterclockwise up to 180°，to the vertical circle of the body is the（）.

A、local hour angle B、azimuth angle C、meridian angle D、longitude

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第8题

[单选题] With a given load on the cargo hook，the thrust on a cargo boom（）.

A、increases as the angle to the horizontal increases B、increases as the angle to the horizontal decreases C、is greatest at an angle of 45° and decreases as the boom is raised or lowered D、is least at an angle of 45° and increases as the boom is raised or lowered