航海英语练习

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海上通信

1 On which vessels is GMDSS required?

A. All vessels capable of international voyages

B. Vessels operating outside of the range of VHF coastal radio stations

C. SOLAS Convention ships of 300 gross tonnage or more.

D. Coastal vessels of less than 300 gross tons

2 What is the basic concept of GMDSS?

A. Search and rescue authorities ashore can be alerted to a distress situation.

B. Shipping in the immediate vicinity of a ship in distress will be rapidly alerted.

C.Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay.

D. All of the above

3 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

4 Proper GMDSS watchkeeping includes ______.

A. understanding the GMDSS console's normal operational indicators

B. maintaining a proper GMDSS radio station log

C. responding to and comprehending alarms

D. All of the above

5 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

6 Where is the GMDSS Radio Logbook kept aboard ship?

A. Attached to the Deck Logbook

B. At the principal radio operating location

C. In the Chief Mate’s office

D. In the Master’s office

Where should the GMDSS radio log be kept on board ship?______

A. In the Captain’s office

B. In the sea cabin

C. At the GMDSS operating position

D. Anywhere on board the vessel

Which statement is TRUE ?______

A.GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea.

B. All distress communications must be entered in the GMDSS radio log.

C. Both of the above

D. None of the above

Which statement is TRUE ?______

A.Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance.

B. Urgent communications do not need to be entered in the GMDSS radio log.

C. Both of the above

D. None of the above

A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as ______.

A. Distress alert

B. Safety alert

C. Emergency alert

D. General alert

Which action should be taken on receipt of a GMDSS distress alert?______

A. Read the display screen and / or printout.

B. Silence the alarm.

C. Listen for any follow up voice / telex transmission on the appropriate frequency.

D. All of the above

You must ______ in this area unless you have messages about the casualty.

A. keep radio silence

B. keep radio silent

C. keep radio be silent

D. keep silent the radio

Which action should you take false sending a false distress alert on VHF ?______ A. Send a DSC cancellation message on Ch-70.