更多"[单选题] There is a drifting mine ____"的相关试题:
[单选题] There is a ______ mine in position 50oN,30oE.
A.drifting
B.drifted
C.drift
D.draft
[单选题] You are drifting in a locale where there is no current.As a rule,your vessel will lie ______.
A.Bow to the wind
B.Beam to the wind
C.Stern to the wind
D.With the wind on the quarter
[单选题] A friend of mine returned to his house after a holiday only to find it _____.
A. to be broken into
B. had broken into
C. was broken into
D. had been broken into
[单选题] This pair of glasses _____ mine.
A. are
B. be
C. is
D. will be
[单选题]( )38. —Are these your sheep ? —No. Mine _____ on grass at the foot of the hill.
A. are feeding
B. feed
C. is fed
D. is feeding
[单选题]The nine coal miners ______ in the coal mine for 20 hours before we came to their rescue.
A.had been trapped
B.had been trapping
C.would have been trapped
D.had trapped
[单选题] What describes an accurate position that is NOT based on any prior position ________.
A.Dead-reckoning position
B.Estimated position
C.Fix
D.Running fix
[单选题] Which position includes the effects of wind and current ________.
A.Dead reckoning position
B.Leeway position
C.Estimated position
D.Set position
[单选题] You should plot your dead reckoning position ____
A. form every fix or running fix
B. from every estimated position
C. every three minutes in pilotage waters
D. only in pilotage waters
[单选题] When should the emergency position-indicating radio beacon be activated after abandoning an OSV ________.
A.Immediately
B.After one hour
C.Only when another vessel is in sight
D.Only after sunset
[单选题] The number and position of hydrants arranged on board shall be such that _______,one of which shall be from a single length of hose,may reach any part of the ship normally accessible to the passengers or crew while the ship is being navigated.
A.at least two jets of water which shall be from the same length of hose
B.at least two jets of water emanating from the same hydrant
C.at least two jets of water not emanating from the same hydrant
D.at least two jets of water not emanating from the same hydrant,one of which shall be from a single length of hose
[单选题]A high oil density will position the cylindrical interfaceto the bowl periphery than a low density of the oil.
A.far
B.far away
C.closer
D.nearer
[单选题] A line of position from a celestial observation is a segment of a ______.
A. circle of equal altitude
B. parallel of declination
C. parallel of altitude
D. vertical circle
[单选题] A position obtained by applying only your vessel's course and speed to a known position is a ______.
A.Dead-reckoning position
B.Fix
C.Probable position
D.Running fix
[单选题] A position that is obtained by applying estimated current and wind to your vessel's course and speed is a(n)______.
A.Dead reckoning position
B.Estimated position
C.Fix
D.None of the above
[单选题] You have anchored in the wrong position obstructing other traffic. You must __________.
A. pick up your anchor
B. heave up your anchor
C. drop your anchor
D. drag your anchor
[判断题]龜 PAXs with open position when providing services.
A.正确
B.错误
[单选题] Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be ______.
A. considered
B. insured
C. relied upon
D. suspected