更多"We took usual steps:sounding the de"的相关试题:
[单项选择]We took usual steps:sounding the depth, reversing and stopping engine,paying out anchor and 60 fathoms of chain cable in the depth of 12 fathoms.The operation above is（）.
A. berthing
B. searching
C. anchoring
D. picking up pilot
[单项选择]As we took our seats on the bus, I noticed a woman（）with a young adult close to us.
A. sit
B. be sit
C. sitting
D. sits
[单项选择]In large marine diesel engines cylinder oils usually contain additives formulated to impart the （） to clean the rings and grooves.
A. inefficiency
B. oiliness
C. detergency
D. purity
[单项选择]The usual symptoms of cavitation in a centrifugal pump is （）.
A. noise and vibration
B. an increase in discharge pressure
C. an increase in suction pressure
D. lifting of the relief valve
[单项选择]Charted depth is the（）.
A. vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B. vertical distance from the tidal datum to the ocean bottom
C. average height of water over a specified period of time
D. average height of all low waters at a place
[单项选择]In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalignmentAccording to the above sentence, which of the following statements is true?（）
A. The marine bellows joints are attached in the accommodation only
B. The bellows joints should be attached to anchors
C. The associated piping should be thrown into the water like as anchors
D. The connecting piping with the joints should be fixed firmly
[单项选择]The usual method of effectively applying foam on a fire is by （）.
A. spraying directly on the base of the fire
B. flowing the foam down a vertical surface
C. sweeping the fire before you with the foam
D. spraying directly on the surface of the fire
[单项选择]An electronic depth finder operates on the principle that（）.
A. radio signals reflect from a solid surface
B. sound waves travel at a constant speed through water
C. radar signals travel at a constant speed through water
D. pressure increases with depth
[单项选择]The piston crown employs the usual jet-shaker principle with an arrangement of cooling bores in the crown so that the surface temperatures of the crown are moderate with a very even distribution（）
A. water cooling
B. oil cooling
C. air cooling
D. combined cooling
[单项选择]The usual number of single-acting pistons used in a variable stroke axial-piston pump is （）.
A. 3 or 5
B. 5 or 7
C. 7 or 9
D. 9 or 11
[单项选择]A section of the river that is narrower than usual and is often navigable from bank to bank is a（）.
A. chute
B. stabilized channel
C. slough
D. navigable pass
[单项选择]Two main lubricating oil pumps are usual and are obligatory in （）.
A. container ships
B. bulk carriers
C. passenger ships
D. barges
[单项选择]The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is（）.
A. coiling the line
B. faking down the line
C. flemishing the line
D. racking the line
[单项选择]It is apparent that there was not sufficient depth of water（）and I claim that the estimated arrival draft as radioed to the agent to report to you was a close one.
A. for my vessel crossing safely
B. my vessel is to cross safely
C. for my vessel to cross safely
D. for my vessel's crossing safely
[单项选择]It is usual to identify the fluids in pipes by bands of paint at intervals, and the engineer should familiarize himself with the code in use.According to the above sentence, which of the following statements is true?（）
A. People can know the types of fluids in pipes by feeling with hands
B. There are series of rings painted in the pipes to show various fluids
C. Engineers should wear cards standing for ranks
D. Engineer knows his own code very well
[单项选择]Molded depth is measured from the（）.
A. inside of the shell
B. outside of the shell
C. top of the center vertical keel
D. top of the garboard stake
[单项选择]The depth of the ship below waterline measured vertically to the lowest part of the hull is called （）.
A. trim
B. lean
C. draft
D. tonnage
