on the prime vertical
a latitude line
a longitude line
of no special significance
第1题:
A single line of position combined with a dead-reckoning position results in a(n) ______.
A.estimated position
B.assumed position
C.fix
D.running fix
第2题:
An unconscious person should NOT be ______.
A.placed in a position with the head lower than the body
B.given an inhalation stimulant
C.given something to drink
D.treated for injuries until conscious
第3题:
A line of position derived by radar range from an identified point on a coast will be a(n) ______.
A.straight line
B.arc
C.parabola
D.line parallel to the coast
第4题:
circle of equal altitude
parallel of declination
parallel of altitude
vertical circle
第5题:
is most accurate before sunrise
is most accurate after sunset
should only be observed when the Sun's lower limb is above the horizon
is most accurate when the Sun's center is observed on the visible horizon
第6题:
A neutral equilibrium position for a vessel means that the metacenter is ______.
A.lower than the keel
B.at the same height as the center of gravity
C.exactly at midships
D.at the center of the waterplane area
第7题:
An unstable upright equilibrium position on a vessel means that the metacenter is ______.
A.lower than the center of gravity
B.at the same height as the center of gravity
C.higher than the baseline
D.on the longitudinal centerline
第8题:
A radar range to a small,charted object such as a light will provide a line of position in which form?
A.Straight line
B.Arc
C.Parabola
D.Hyperbola
第9题:
signification
connexion
translation
jonction
第10题:
straight line
arc
parabola
line parallel to the coast