更多"Concerning a celestial observation，"的相关试题:
[单项选择]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
[单项选择]When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
A. in the vessel's Official Logbook
B. on the compass deviation card
C. in the compass deviation log
D. on a Napier diagram
[单项选择]An azimuth angle for a body is measured from the（）.
A. observer's meridian
B. Greenwich meridian
C. body's meridian
D. zenith distance
[单项选择]Messages concerning weather conditions transmitted by radiotelephone are preceded by（）.
A. MAYDAY
B. PAN-PAN
C. SECURITE
D. SOS
[单项选择]Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）
A. A fully loaded vessel will be slower to respond to the engines
B. A fully loaded vessel will maintain her headway further
C. A light vessel will be more affected by the wind
D. A light vessel lose more rudder effect in shallow water
[单项选择]Which statement is TRUE concerning radiotelephones on board towing vessels?（）
A. There cannot be a radiotelephone located anywhere except in the wheelhouse
B. The officer in charge of the wheelhouse is considered to have the radiotelephone watch
C. Only distress messages may be transmitted over channel 13
D. Only the Master of the vessel is allowed to speak over the radiotelephone
[单项选择]The Lists of Meteorological Observation Stations can be found in（）.
A. ALRS
B. ALL
C. AMC
D. ATT
[单项选择]Which statement concerning maneuvering in restricted visibility is FALSE?（）.
A. A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway
B. A vessel which hears a fog signal forward of her beam shall stop her engines
C. A vessel which hears a fog signal forward of the beam shall navigate with caution
D. If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
[单项选择]A celestial body will cross the prime vertical circle when the latitude is numerically （）.
A. Greater than the declination and both are of the same name
B. Less than the declination and both are of the same name
C. Greater than the declination and both are of contrary name
D. Less than the declination and both are of contrary name
[单项选择]A celestial body’s complete orbit around another body is（）.
A. a rotation
B. a revolution
C. space motion
D. nutation
[单项选择]A time diagram is a diagram of the celestial sphere as observed from above the（）.
A. south celestial pole
B. north celestial pole
C. observer's meridian
D. Greenwich meridian
[单项选择]Which statement concerning Montauk Point Light is TRUE?（）
A. The light comes on at sunset
B. There is an emergency light if the main light is extinguished
C. The height of the light is 24 feet
D. The tower is painted with black and white stripes
[单项选择]Which statement is TRUE concerning lifeboat gripes?（）
A. They must be released by freeing a safety shackle
B. They should not be released until the boat is in lowering position
C. They may be adjusted by a turnbuckle
D. They are normally used only with radial davits
[单项选择]Which statement concerning the collection of fresh water is FALSE?（）
A. Fresh water may be obtained from fish
B. Lifeboat covers or canopies should be washed with rain before drinking water is collected
C. Fresh water may be collected from condensation inside the liferaft
D. Seawater should never be consumed
[单项选择]Which statement is FALSE concerning precautions during fueling operations?（）
A. All engines，motors，fans，etc. should be shut down when fueling
B. All windows，doors，hatches，etc. should be closed
C. A fire extinguisher should be kept nearby
D. Fuel tanks should be topped off with no room for expansion
