[单项选择]When daylight savings time is kept，the time of tide and current calculations must be adjusted.One way of doing this is to（）.
A. Add one hour to the times listed under the reference stations
B. Subtract one hour from the time differences listed for the subordinate stations
C. Apply no correction as the times in the reference stations are adjusted for daylight savings time
D. Add 15° to the standard meridian when calculating the time difference

更多"When daylight savings time is kept，"的相关试题:

[单项选择]Daylight savings time is a form of zone time that adopts the time（）.
A. one zone to the east
B. one zone to the west
C. two zones to the east
D. two zones to the west

查看答案

[单项选择]During daylight savings time the meridian used for determining the time is located farther （）.
A. west in west longitude and east in east longitude
B. east in west longitude and west in east longitude
C. west
D. east

查看答案

[单项选择]The date and time kept in the radiotelephone log shall commence at（）.
A. midnight
B. noon
C. beginning of the watch
D. any convenient time

查看答案

[单项选择]Sorry to have kept you（）for a long time.
A. waiting
B. wait
C. waited
D. to wait

查看答案

[单项选择]The term flood current refers to that time when the water（）.
A. is flowing towards the land
B. is moving towards the ocean
C. level is not changing
D. level is rising because of heavy rains

查看答案

[单项选择]When is the most critical time of bunkering in regards to oil pollution?（）
A. lining up the systems
B. topping off
C. starting delivery
D. connecting hoses and joints

查看答案

[单项选择]When you turn on the fast time constant (differentiator) control of a radar it will（）.
A. enhance weak target echoes and brighten them on the PPI
B. reduce clutter over the entire PPI by shortening the echoes
C. only suppress weak targets to a limited distance from the ship (sea clutter)
D. reduce the beam width to provide a map-like presentation for navigation

查看答案

[单项选择]Sidereal time is used by navigators when（）.
A. used with the equation of time
B. used in the form of LHA Aries
C. calculating the time of moonrise
D. determining local apparent time

查看答案

[单项选择]Stand of the tide is that time when（）.
A. the vertical rise or fall of the tide has stopped
B. slack water occurs
C. tidal current is at a maximum
D. the actual depth of the water equals the charted depth

查看答案

[单项选择]（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
A. As many as
B. So many as
C. As much as
D. As more as

查看答案

[单项选择]Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
A. pilot charts
B. Notices to Mariners
C. Tide Tables
D. Current Tables

查看答案

[单项选择]Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.
A. MIP
B. MCR
C. MEP
D. BHP

查看答案

[单项选择]Water level controllers of the boiler must be kept operable to protect external steam-using plant from water “（）” danger.
A. carry off
B. carry down
C. carry on
D. carry over

查看答案

[单项选择]The crankcase of many diesel engines are kept under a slight vacuum by the （）.
A. scavenging action of the piston
B. piston type vacuum pump taking suction off a differential manometer
C. gland exhausting manometer
D. crankcase exhaust fan

查看答案

[单项选择]After launching，an inflatable raft should be kept dry inside by（）.
A. Opening the automatic drain plugs
B. Draining the water pockets
C. Using the electric bilge pump
D. Using the bailers and cellulose sponge

查看答案

[单项选择]The crankcases of many diesel engines are kept under a slight vacuum to （）
A. improve fuel economy
B. increase the air charge velocity
C. reduce the risk of explosion
D. all of the above

查看答案

我来回答:

提交