更多"In heavy seas the helmsman should s"的相关试题:
[单项选择]In heavy seas the helmsman should steer the motor lifeboat（）.
A. into the seas
B. broadside to the seas
C. in the same direction as the seas
D. in a series of figure-eights
[单项选择]When relieving the helm，the new helmsman should know the（）.
A. Course per magnetic steering compass
B. Gyro error
C. Variation
D. Maximum rudder angle previously used
[单项选择]When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
A. on only the forward falls
B. on only the after falls
C. with a lead of about 45 degrees to the boat
D. from the falls to the main deck of the vessel
[单项选择]In heavy seas you decide to heave to. The lifeboat should be（）.
A. brought to a position with the stern into the seas
B. allowed to take its own head
C. brought to lay in the trough
D. brought bow into the seas
[单项选择]A rigid lifesaving device only designed for survivors to hold on to while in the water is a（）.
A. liferaft
B. life float
C. life preserver
D. buoyant apparatus
[单项选择]（）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
[单项选择]The purging of air from an elector-hydraulic steering gear unit is necessary when（）
A. changing over to hand pump operation
B. engaging the trick wheel
C. the system has been filled with new oil
D. the rudder angle indicator does not match the helm position
[单项选择]The quartermasters（）steer the ship and help the officer keep lookout.
A. duty
B. on duty
C. at duty
D. in duty
[单项选择]What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）
A. Sea anchor
B. Steering oar
C. Spare rudder
D. Daggerboard
[单项选择]The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no （）.
A. more than 28 seconds
B. more than 60 seconds
C. less than 28 seconds
D. less than 60 seconds
[单项选择]Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）
A. A long swell from an unusual direction
B. A lengthy lull in the wind and seas
C. Large seas coming from different directions
D. A brisk chop from the southeast
[单项选择]When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
A. Excessive pitching
B. Excessive yawing
C. Excessive rolling
D. No change should be evident
[单项选择]A tug would NOT assist a ship to steer if the tug is made up to the large vessel（）.
A. by a tow line ahead of the vessel
B. forward on either bow of the vessel
C. approximately amidships of the vessel
D. on the vessel's quarter
[单项选择]The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
A. one engine and a steering oar
B. both engines at the same speed
C. one engine at a time
D. one engine running at reduced speed and controlling the vessel with the other
[单项选择]A vessel is fishing at anchor on the high seas. Which of the following day signals should she display if she has gear extending out over 150 meters horizontally from the vessel?（）.
A. A black ball in the forepart of her vessel
B. A black double frustum of a cone
C. A basket where best seen
D. A black cone point upwards
[单项选择]Before the seas get rough, it is a good safety practice to （）.
A. secure loose gear
B. move quickly about the ship
C. increase lighting
D. shutdown auxiliary equipment
[单项选择]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
[单项选择]A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.
A. main brace
B. tow span
C. jockey bar
D. None of the above
