更多"The maritime radio system consistin"的相关试题:
[单项选择]In a centrifugal Freon refrigeration system, the overall capacity of the system is increased by（）
A. opening more bypass lines
B. opening additional expansion valves
C. adding refrigerant
D. speeding up the machine
[单项选择]General radio communications in the global system are those between（）concerning the management and operation of the ships and may have impact on their safety.
A. SAR party and the ship in distress
B. SAR authorities and the ship in distress and survival craft
C. A ship station and any coast station
D. Ship stations and shore-based communication network
[单项选择]The existing terrestrial radio system has a number of basic flaws which（）.
A. can be overcome by using traditional techniques
B. cannot be overcome by satellite system
C. can be overcome by satellite and digital techniques
D. cannot be tackled by any modern system
[单项选择]A radio determination system based on the comparison of reference signals with radio signals reflected,or retransmitted from the position to be determined,is（）.
A. DF
B. Radar System
C. DSC System
D. COSPAS-SARSAT
[单项选择]Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
A. depend on
B. depending on
C. dependent on
D. depended on
[单项选择]Which statement about radio navigational warnings is TRUE（）.
A. The topics for warnings included in HYDROLANTS，HYDROPACS，and NAVAREA warnings are the same
B. NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound
C. The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N，and west of 15°W
D. Long range radio navigational warnings are usually broadcast by radiotelephone，radiotelegraph，and radio-teletypewriter
[单项选择]The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed（）.
A. in an inside passageway
B. in an approved bracket
C. so that it is accessible from the bridge of the vessel
D. so that it will float free if the vessel sinks
[单项选择]Which statement concerning GMDSS Radio Operator requirements is FALSE（）.
A. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea
B. Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well
C. Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications
D. While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
[单项选择]A mooring system that results in a spread system without anchor buoys is called a（）.
A. permanent chasing system
B. wire rope mooring system
C. shepherd's crook mooring system
D. spring buoy mooring system
[名词解释]System management mode
[单项选择]A segregated ballast system is a system where （）.
A. all ballast is processed through the oily water separator
B. ballast is taken on and discharged through a separate main deck riser
C. ballast and cargo tanks are separated by cofferdams
D. all ballast lines, tanks, and pumps are independent of those used for oil
[单项选择]（）communication are intership VHF radio telephone communication.
A. ship-to-shore
B. shore-to –ship
C. bridge-to-bridge
[单项选择]Every radio installation shall be clearly marked with the（）, the ship station identity and other codes as applicable for the use of the radio installation.
A. call sign
B. port of register
C. radio name
D. signal label
[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]What is the fundamental purpose for imposing radio silence? （）
A. To ensure that interference to proprietary communications is minimized
B. To ensure that only voice communications can be effected on the distress frequency or channel
C. To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages
D. To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized
