更多"When communicating on the radiotele"的相关试题:
[单项选择]The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
A. Mayday
B. Pan
C. Safety
D. Interco
[单项选择]When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
A. The objects lie in a straight line
B. The vessel is inside of a triangle formed by the objects
C. The vessel is outside of a triangle formed by the objects
D. A circle will pass through your position and the three objects
[单项选择]The radiotelephone message that indicates a station is about to transmit a message concerning the safety of navigation or important meteorological warnings commences with（）.
A. TTT
B. The spoken word PAN
C. The spoken word SECURITE
D. XXX
[单项选择]Which radiotelephone signal indicates receipt of a distress message?（）
A. Roger wilco
B. Romeo，romeo，romeo
C. SOS acknowledged
D. Mayday roger
[单项选择]When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.
A. 10 meters
B. 20 meters
C. 50 meters
D. 100 meters
[单项选择]When using the term limber system one is referring to a（）.
A. Cleaning system
B. Drainage system
C. Strengthening system
D. Weight reduction system
[单项选择]When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
A. the meridian through the object of the bearing
B. the meridian through the ship's position
C. the meridian midway between the ship and the object
D. any meridian
[单项选择]When using the radar for navigating（）.
A. the best fix is obtained by using a tangent bearing and a range
B. and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings
C. and using ranges，the most rapidly changing range should be measured last
D. and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart
[单项选择]A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word（）.
A. PAN-PAN
B. MAYDAY
C. SOS
D. SECURITY
[单项选择]General requirements for a vessel’s radiotelephone station log are that（）.
A. logs must be kept in an orderly manner
B. erasures are not allowed
C. it must identify the vessel's name and official number
D. All of the above
[单项选择]The radiotelephone safety signal is（）.
A. securite repeated 3 times
B. safety repeated 3 times
C. pan pan repeated 3 times
D. securite securite repeated 3 times
[单项选择]The radiotelephone urgency signal is（）.
A. mayday
B. pan pan
C. securite
D. seelonce feenee
[单项选择]When using the lifeboat compass，you must be careful to（）.
A. set it on the centerline of the boat
B. apply the correction for compass error
C. keep metal objects away from it
D. All of the above
[单项选择]When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）
A. maintain higher than normal jacket water temperature
B. change the lube oil more frequently than normal
C. maintain a higher air-box temperature than normal
D. maintain a higher air-box pressure than normal
[单项选择]When using slings，cargo handlers should take all the following precautions except（）.
A. Ensure that slings are securely fastened around the load
B. Avoid careless winch operations，especially when handling fragile cargo
C. Exercise care when using hooks，crowbars，and similar tools
D. Keep the loads as close to the rail or deck as possible
[单项选择]When using the anchor to steady the bow while approaching a dock you must be aware of the fact that（）.
A. the vessel will tend to take a large sheer towards the side where the anchor is down
B. steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
C. the anchor cable must never lead under the hull
D. using an offshore anchor decreases the chances of the anchor holding
[单项选择]When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
A. a straight line drawn on the chart approximates a great circle
B. the chart should not be used outside of the standard parallels
C. the course angle is measured at the mid-longitude of the track line
D. distance cannot be measured directly from the chart
[单项选择]In radiotelephone communications，the prefix PAN-PAN indicates that（）.
A. a ship is threatened by grave and imminent danger and requests immediate assistance
B. a calling station has an urgent message about the safety of a person
C. the message following the prefix will be about the safety of navigation
D. the message following is a meteorological warning
[单项选择]You hear on the radiotelephone the word SECURITE spoken three times. This indicates that（）.
A. a message about the safety of navigation will follow
B. a message of an urgent nature about the safety of a ship will follow
C. the sender is in distress and requests immediate assistance
D. you should secure your radiotelephone
