更多"The ocean bottom that extends from "的相关试题:
[单项选择]On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
A. offshore set
B. onshore set
C. head current
D. fair or following current
[单项选择]The upward slope of a vessels bottom from the keel to the bilge is called（）.
A. camber
B. sheer
C. rake
D. rise of bottom
[单项选择]The upward slope of a ships bottom from the keel to the bilge is known as（）.
A. camber
B. slope
C. deadrise
D. keel height
[单项选择]（）measured at the midship section and taken from outside of the ship’s side shell plating on one side to the outside of ship’side shell plating on the other side.
A. Length overall
B. After perpendicular
C. Amidships
D. Extreme breadth
[单项选择]Lifting the anchor from the bottom is called（）.
A. broaching the anchor
B. shifting the anchor
C. walking the anchor
D. weighing the anchor
[单项选择]What is the distance from the bottom of a wave trough to the top of a wave crest?（）
A. Wave length
B. Wave height
C. Wave breadth
D. wave depth
[单项选择]On a long ocean tow，the bridle should be made up of two equal lengths of（）.
A. chain
B. wire
C. nylon
D. manila
[单项选择]（）sends a radio signal from the bottom of the ship to the sea-bed,from which it is reflected.
A. The marine sextant
B. The chronometer
C. The echo sounder
D. The radar
[单项选择]LIFTING THE ANCHOR FROM THE BOTTOM is called（）.
A. broaching the anchor
B. shifting the anchor
C. walking the anchor
D. weighing the anchor
[单项选择]Dunnage may be used to protect a cargo from loss or damage by（）.
A. ship's sweat
B. inherent vice
C. tainting
D. hygroscopic absorption
[单项选择]Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by（）
A. permanent loss of pump suction
B. worn shaft seals
C. high level in the oil sump
D. low motor RPM
[单项选择]A loud clicking noise from the valve compartment of an operating diesel engine would indicate（）
A. worn valve seats
B. worn main bearing
C. excessive valve clearance
D. weak rocker arm springs
[单项选择]（）the morning from 0800 to 1200 chief officer is on duty.
A. On
B. In
C. At
D. During
[单项选择]（）the morning from 0800 to 1200 Chief Officer is on duty.
A. On
B. In
C. At
D. During
[单项选择]When entering a channel from seaward，the numbers on buoys（）.
A. are the same as their Light List number
B. are marked in 6 inch figures with retroreflective material
C. increase with the even numbers to starboard
D. decrease with the odd numbers to starboard
[单项选择]All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.
A. blood
B. breath
C. urine
D. All of the above
[单项选择]The satellites over the major ocean regions cover the globe（）.
A. besides the polar regions
B. including the North Pole and the South Pole
C. above 70°N and below 70°S
D. as for north and south as 70°
