While underway，in fog，you hear a whistle signal of one prolo

Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.

A.A vessel towed

B.A vessel not under command and unable to maneuver.

C.A vessel anchored giving warning of her position.

D.A vessel stopped dead in the water.

If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm, you should ______.

A.start the fire pump

B.go to your man overboard station

C.go to your lifeboat station

D.stand by for collision

You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．

A.Ⅰ only

B.Ⅱ only

C.Either Ⅰ or Ⅱ

D.Neither Ⅰ nor Ⅱ

Continuous sounding of a fog whistle by a vessel is a signal ______.

A.that the vessel is anchored

B.to request the draw span of a bridge to be opened

C.of distress

D.that the vessel is broken down and drifting

If your radiotelephone fails while underway，______．

A.you must visually signal oncoming vessels

B.you must immediately tie up in the nearest port until the radiotelephone is repaired

C.you must anchor until the radiotelephone is repaired

D.the loss of the radiotelephone must be considered in navigating the vessel

On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.

A.vessel being towed

B.fishing vessel engaged in trawling

C.vessel at anchor warning you of her location

D.power-driven pilot vessel on station underway