25
30
45
60
75
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:
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3题:
腹股沟(海氏)三角(Hesselbach triangle):
第4题:
第5题:
stability at all angles of inclination
initial stability
stability at angles less than the limit of positive stability
stability at angles less than the downflooding angle
第6题:
20
25
30
40
45
第7题:
If two angles are complementary, then they are not right angles.
If two angles are fight angles, then they are supplementary.
If two angles are not supplementary, then they are not right angles.
If two angles are supplementary, then one could measure 100° and one could measure 80°.
If two angles are not fight angles, then they are not supplementary.
第8题:
The objects lie in a straight line
The vessel is inside of a triangle formed by the objects
The vessel is outside of a triangle formed by the objects
A circle will pass through your position and the three objects
第9题:
M is not fixed at large angles
there is no M at large angles
G is not fixed at large angles
there is no G at large angles
第10题:
Equal
Adjacent angles
Vertical angles
Complementary angles
Supplementary angles
第11题:
Keep the plant running all time
Start another blower
Increase the ratio of circulated to fresh air
Reduce the seawater flow to the condenser
第12题:
第13题:
Entering from sea,a daymark on the port side of the channel would be indicated on a chart by a ______.
A.red triangle with the letter R
B.white triangle with the letters RG
C.green square with the letter G
D.white square with the letters GR
第14题:
病害三角(disease triangle)
第15题:
Which of the following is the definition of CAS latency?()
第16题:
60°
65°
80°
100°
130°
第17题:
red triangle with the letter R
white triangle with the letters RG
green square with the letter G
white square with the letter GR
第18题:
30
40
50
60
100
第19题:
the expansion ratio will decrease
combustion will be slowed down
thermal efficiency will decrease
thermal efficiency will increase
第20题:
An increase in compression ratio will increase the ignition lag
An increase in compression ratio will decrease the ignition lag
A decrease in compression ratio will decrease the ignition lag
A decrease in ignition lag will increase the compression ratio
第21题:
aspect ratio
constriction ratio
rudder ratio
steering ratio
第22题:
fuel
oxygen
heat
electricity
第23题:
1 to 3
1 to 6
2 to 9
3to10
4 to 5
第24题:
It is more reliable than a fix based on radar bearings
It may be based on a single LOP or questionable data
When a 3-LOP fix plots in a triangle,the center of the triangle is the estimated position
It is usually based on soundings