更多"The GMDSS must combine all various "的相关试题:
[单项选择]The GMDSS must combine all various subsystems, because（）.
A. they all have different limitations with respect to coverage
B. they all have different limitations in the technology they use
C. different systems apply to different ships
D. all of above
[单项选择]How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）
A. 6 months
B. 1 year
C. 2 years
D. 3 years
[单项选择]How long must the GMDSS radio log be retained on board（）.
A. At least two years after the last entry
B. At least one year after the last entry
C. At least 90 days after the last entry
D. At least 30 days after the last entry
[单项选择]At sea，all required GMDSS equipment（other than survival craft equipment）must be proven operational by（）.
A. daily testing
B. either A or C
C. operational use of the equipment
D. testing at least every 48 hours
[单项选择]Navigation lights must be displayed in all weathers from sunset to sunrise. They also（）.
A. must be displayed when day signals are being used
B. must be displayed when moored to a pier
C. may be extinguished at night on open waters when no other vessels are in the area
D. may be displayed during daylight
[单项选择]All portable fire extinguishers must be capable of being（）.
A. carried by hand to a fire
B. carried or rolled to a fire
C. recharged in the field
D. used on class "B" fires
[单项选择]What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment（）.
A. ITU Publications
B. The manufacturers instruction manuals
C. Part 90 of the FCC Rules and Regulations
D. Code of Federal Regulations，Title 47，Part 80，Subpart W
[多项选择]GMDSS的组成部分有（）
A. 卫星通信系统
B. 地面通信系统
C. 定位系统
D. 寻位系统
E. MSI播发与接收系统
F. 导航系统
[单项选择]For GMDSS，which statement concerning a compulsory vessel is FALSE?（）
A. A conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equipped
B. Once a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five years
C. All passenger vessels and all cargo vessels that are 300 Gross Tons or larger must comply
D. Compulsory vessels must carry at least two licensed GMDSS Radio Operators
[单项选择]Which maintenance functions can a GMDSS Radio Operator perform（）.
A. The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percent
B. The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstacles
C. All levels of maintenance must be performed by a licensed GMDSS Radio Maintainer
D. The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraints
[单项选择]The basic concept of GMDSS is（）.
A. Search and rescue authorities ashore will rapidly received an distress alert and acted upon
B. SAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operation
C. Ships navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordingly
D. The RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately
[单项选择]In the GMDSS, distress alerting can be transmitted in（）directions.
A. 1
B. 2
C. 3
D. 4
[单项选择]All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the（）.
A. date of the test
B. load at which a test sample broke
C. name of the vessel
D. number of strands and of wires in each strand
[单项选择]All portable fine extinguishers must be capable of being（）.
A. carried by hand to a fire
B. carried or rolled to a fire
C. recharged in the field
D. used on class B fires
[单项选择]Proper GMDSS watchkeeping includes（）.
A. monitoring all required frequencies in the proper mode
B. reading all displays and/or printouts after silencing an alarm
C. notifying the Master of any distress alerts
D. All of the above
