GIVE DISTRESS SIGNALS FOR IDENTIFICATION.的意思是：发出遇险求救信号。

相似题目

• Signals for locating will be transmitted in the 9GHz band by means of（）.

  A . SART B . DSC C . NBDP D . RT

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• One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.

  A . red star shell B . searchlight C . burning barrel D . orange smoke signal

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• Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）

  A . The three required steps in the analog to digital conversion are sampling，encoding，and compression. B . The three required steps in the analog to digital conversion are sampling，quantization，and compression. C . The three required steps in the analog to digital conversion are sampling，quantization，and encoding. D . The output of the sampling process is a pulse code modulation （PCM） signal. E . The output of the sampling process is a pulse amplitude modulation （PAM） signal.

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• One of the signals，other than a distress signal，that can be used by a rescue boat to attract attention is a/an（）.

  A . red star shell B . searchlight C . burning barrel D . orange smoke signal

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• All of the following are distress signals under the Rules EXCEPT（）.

  A . International Code Signal "AA" B . orange-colored smoke C . red flares D . the repeated raising and lowering of outstretched arm

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• Which condition represents the appropriate time for setting off distress flares and rockets? （）

  A . At one hour intervals B . At half hour intervals C . Only when there is a chance of their being seen by rescue vessels D . Immediately upon abandoning the vessel

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• When whistle signals are used for launching lifeboats，one short blast means（）.

  A . use the float-free method only B . lower all boats C . raise all boats D . drill is over，secure all boat

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• For ships equipped with an SES, it is（）and（）for the operator to send a distress alert.

  A . easy/reliable B . difficult/cheap C . stable/compulsory D . easy/expensive

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• It is quite（）for an SES operator to send a distress alert.

  A . easy and expensive B . simple and certain C . dangerous and stable D . difficult and compulsory

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• By regulation，orange smoke distress signals will expire not more than how many months from the date of manufacture?（）

  A . 24 months B . 36 months C . 42 months D . 54 month

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• （）will form the basis for distress alerting and safety calling.

  A . GMDSS B . EGC C . MSI D . DSC

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• （）are used for distress alerting as a rule.

  A . SES/DSC/EPIRB B . SART/radiotelephone C . COSPAS-SARSAT D . both B and C

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• （）is used for providing homing signals from survival craft for detection by 9Ghzradar.

  A . NAVETEX receiver B . Search and Rescue Transponder C . Emergency Position Indicating Radio Beacon D . Digital selective calling

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• All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.

  A . a green star signal B . orange-colored smoke C . red flares D . the repeated raising and lowering of outstretched arm

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• The regulations require that inspected vessels on an international voyage，other than small passenger vessels，must carry which of the following distress signals on or near the navigating bridge?（）

  A . 12 hand red flares B . 12 rocket parachute flares C . 12 hand combination flares and orange smoke signals D . 6 hand red flares，and 6 hand orange smoke signal

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• In the COSPAS-SARSAT system distress signals are processed by（）and the resulting data are forwarded to（）through（）communication network.

  A . MCC/LUT/RCC B . LUT/MCC/RCC C . LUT/RCC/MCC D . LUT/RCC/LUT

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• All of the following are distress signals EXCEPT（）.

  A . the continuous sounding of any fog signal apparatus B . giving five or more short and rapid blasts of the whistle C . firing a gun at intervals of about a minute D . a barrel with burning oil in it，on deck

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• If the DSC controller is configured for MF/HF operation, the distress will be sent on（）.

  A . double frequencies B . single frequency C . dedicated frequency D . multiple frequencie

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• International distress signal in VHF calling for help is（）.

  A . Help，Help，Help B . Mayday，Mayday，Mayday C . Save，Save，Save D . Rescue，Rescue，Rescue

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• When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.

  A . 10 minutes B . 1 minute C . 1 hour D . 3 minute

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• 79. ____________is used for providing homing signals from survival craft for detection by 9 GHz radar.

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• 185. In radiotelephony，the spoken word for distress is ______.

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