GM cannot be used as an indicator of stability at all angles of inclination because ______.
A.M is not fixed at large angles
B.there is no M at large angles
C.G is not fixed at large angles
D.there is no G at large angles
第1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
第2题：
An oxygen indicator can be used to determine if there is ______.
A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hyfrogen gases present
D.All of the above
第3题：
Because of the recent fire in the factory, all the stocks were destroyed. (), we cannot make shipment as arranged before.
A、In the case
B、In this cases
C、In this event
D、At this event
第4题：
Metacentric height is a measure of ______.
A.initial stability only
B.stability through all angles
C.maximum righting arm
D.All of the above
第5题：
For small angles of inclination, if the KG were equal to the KM, then the vessel would have __________.
A.position stability
B.negative stability
C.neutral stability
D.maximum stability
第6题：
Which statement concerning GPS is TRUE ________．
A.It cannot be used in all parts of the world
B.There are 12 functioning GPS satellites at present
C.It may be suspended without warning
D.Two position lines are used to give a 2D fix
第7题：
At all angles of inclination, the metacenter is ______.
A.vertically above the center of buoyancy
B.vertically above the center of gravity
C.at the intersection of the upright vertical centerline and the line of action of the buoyant force
D.at the geometric center of the underwater volume
第8题：
A. It executes successfully but partition pruning cannot happen for this partition key.
B. It produces an error because the TOTAL_VALUE column cannot be used as a partition key.
C. It produces an error because compression cannot be used for the TOTAL_VALUE partition key.
D. It executes successfully but the values in the TOTAL_VALUE column would not be physically stored in the partitions.
第9题：
If the vertical center of gravity (VCG) of a ship rises 1.7 feet, the righting arm (GZ) for the various angles of inclination will ______.
A.decrease
B.increase
C.remain unchanged
D.be changed by the amount of GG’ x cosine of the angle
第10题：
设置PDCCH信道是否使用发射分集的参数是（）