單項(xiàng)選擇題

If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.

A.vessel not under command
B.sailing vessel
C.vessel being towed (manned)
D.vessel being towed (unmanned)

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單項(xiàng)選擇題

If there is sufficient sea room，alteration of（）may be the most effective action to avoid close-quarters situation.

A.speed and course
B.speed alone
C.course alone
D.speed or course

單項(xiàng)選擇題

If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.

A.Only a radar expert can determine if the radar is operating
B.All radars have indicator lights and alarms to signal improper operation
C.A radar range compared to the actual range of a known object can be used to check the operation of the radar
D.The radar resolution detector must be energized to check the radar

If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.

你可能感興趣的試題

If there is sufficient sea room，alteration of（）may be the most effective action to avoid close-quarters situation.

If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.

If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.

If there is sufficient sea room，alteration of（）may be the most effective action to avoid close-quarters situation.

If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.