gmdss 必考题

2011 GMDSS 机考题

204. Messages bearing the priority marking ROUTINE are to be broadcast________.

A. immediately

B. at the next scheduled transmission

C. during the next available period

D. at anytime

205. In NA VTEX service，local warnings are normally broadcast on________.

A. NA VTEX service

B. SafetyNET service

C.VHF voice only

D. MF/HF telephone

206. Which of the following indicates a grave and imminent danger requesting immediate assistance on the radio telephone?

A. TTT

B. MAYDAY

C. SECURITE

D. PAN

207.

208. NA VTEX sea area weather forecasts are normally be broadcast ______ ach day.

A. once

B. twice

C. three times

D. four times

209. The NA VTEX receiver can be mounted __________.

A. on the bridge

B. in the coast station

C. on the forecastle

D. on starboard side

210. Which action should the GMDSS operator take in a distress situation when embarking in survival craft?

A. Switch on EPIRB and SART immediately and leave on

B. EPIRB and SART switched on manually prior to embarking；remain aboard vessel in distress

C. Notify RCC (Rescue Coordination Center) through VHF DSC in portable equipment

D. Communicate via INMARSAT-C from survival craft

211. ALL EGC message _______ owing to their nature of importance.

A. can suppress

B. can be suppressed

C. can not be suppressed

D. are to be suppressed

212. The service of coordinated broadcast and automatic reception on the frequency 518 kHz of MSI by means of NBDP telegraphy using English language is a __________ service.

A. MSI service

B. NA VTEX

C. International NA VTEX

D. Navigational warning

213. MSi is received by ships on a designated channel，“designated”means

A. allocated

B. appointed

C. designed

D. specialized

214. Which of the following equipment is excluded from the required GMDSS equipment?

A. 9GHz SART

B. weather FAX receiver

C. L-EPIRB or 406MHz EPIRB

D. VHF DSC watching receiver

☆☆☆215. NCC is the abbreviation for Network Control _______.

A, Coordination B. Cooperation C. Direct D. Distress

216. When applicable，equipment shall be so constructed and installed that it is readily accessible for ______ and on-board maintermance purpose.

A. requirement

B. readjustment

C. elaboration

D. inspection 217. General radio communications in the global system may ________ ship’s safety.

A. be responsible for

B. have an impact on

C. command

D. give guidance to 218. Particular care should be taken in selecting CESs in areas where Ocean Regions ______.

A. cover

B. overlap

C. provide

D. consider 219. What is Omni-directional antenna?

A. An antenna which is capable of line-of-sight communication with a satellite without requiring any pointing

B. Generally it is used on an INMARSAT-M MES

C. Generally it is used on an INMARSAT-F MES

D. This is a kind of directional antenna

220. The SART should have sufficient battery capacity to operate in the stand-by condition for _______hours and should continuously work for _________hours.

A.120/20

B. 56/18

C. 100/16

D. 96/8

221. Telstar，the word’s first communication satellite，was _______ in 1962.

A. returned back

B. flying into sky

C. put into orbit

D. destroyed 223. What systems are required for the promulgation of MSI(Maritime Safety Infornation) in GMDSS as per SOLAS Convention，as amend in 1988?

A. The international NA VTEX system

B. The INMARSAT SafetyNET system

C. HF NBDP

D. Both the international NA VTEX system and the INMARSAT SafetyNET system

224. SOLAS vessels are able to communicate with shore stations _________.

A. no matter where they and what time it is