更多"You are running parallel to the coa"的相关试题:
[单项选择]You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be（）.
A. Closer to the coast
B. Farther from the coast
C. On the track line ahead of the fix
D. On the track line behind the fix
[单项选择]To parallel an incoming machine to a running machine therefore it is necessary to ensure firstly that （）.
A. two frequencies must be brought into phase
B. the incoming machine accepts a small amount of load
C. the running machine must be unload
D. both voltages are equal
[单项选择]With No~1 and No~2 alternators running in parallel and the KW loads equally shared, one alternator is drawing much higher current than the other.What does this indicate?（）
A. The alternators are not generating the same voltages and should be adjusted on automatic voltage regulator rheostats
B. Alternator frequencies are different and should be adjusted on the governor speed controllers
C. Alternators are out of phase and should be tripped and paralleled again
D. One alternator has lost one of its phases
[单项选择]How can you estimate the position of a tropical storm’s center?（）
A. With a radio weather bulletin or weather fax
B. using shipboard radar
C. observe the wind direction and apply Buys Ballot's law
D. All of the above
[单项选择]You are attempting to parallel two AC generators, and the syncope pointer is revolving in the fast directionThis indicates that the frequency of the incoming machine is （）.
A. higher than the bus frequency
B. lower than the bus frequency
C. the same as the bus frequency but out of phase with it
D. the same as the bus frequency and the circuit breaker may be closed at any pointer position
[单项选择]You are attempting to parallel two AC generators and the synchroscope pointer is revolving in the slow directionThis indicates that the frequency of the incoming machine is （）.
A. higher than the bus frequency
B. lower than the bus freouencv
C. the same as the bus frequency but out of phase with it
D. the same as the bus frequency, and the circuit breaker may be closed at any pointer position
[单项选择]You are running（）danger.Fog bank ahead of you.
A. to
B. at
C. in
D. into
[单项选择]You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.
A. you are in the vicinity of the ICW
B. the buoy is a special mark
C. the buoy is off station
D. the buoy designates a sharp turn in the channel
[单项选择]If you are sailing from the East Coast of the United States to the Caribbean Sea，which publication would contain information on weather，currents，and storms?（）
A. Sailing Charts of the Caribbean Sea
B. Pilot Charts of the North Atlantic
C. Light Lists，Atlantic and Gulf Coast
D. Tidal Current Tables
[单项选择]You are running into danger,（）.
A. shallow water ahead of you
B. submerged wreck ahead of you
C. risk of collision imminent
D. A, B, C are all right
[单项选择]Never make comment, estimate or guess in your logbook, but（）only.
A. the specifications
B. the facts
C. the descriptions
D. the details
[单项选择]Never make comment，estimate or guess in your Logbook，but（）only.
A. the specifications
B. the facts
C. the descriptions
D. the details
[单项选择]The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
A. cloud movement
B. vessel heading
C. waves
D. swells
[单项选择]The division of kilowatt load between two paralleled alternators is determined by the （）
A. amount of field excitation of the leading machine
B. load-speed characteristics of the governors
C. amount of field excitation to the lagging machine
D. type of alternator
[单项选择]The Beaufort scale is used to estimate the（）.
A. Wind direction
B. Percentage of cloud cover
C. Wind speed
D. Barometric pressure
[单项选择]Details of coast radio stations and radar stations can be found in（）.
A. Admiralty Chart
B. Admiralty Light list
C. Admiralty List of Radio Signals
D. Admiralty Notices to Mariners
[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]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
[单项选择]Coast Guard regulations require a shipboard Oil Pollution Emergency Plan to be reviewed（）.
A. annually
B. once every two years
C. once every four years
D. once every five years
