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发布时间:2023-10-23 18:10:44

[单项选择]Anchor() are used in some installations where the cable lifter rotates about a vertical axis.
A. windlasses
B. drums
C. capstans
D. warp ends

更多"Anchor() are used in some installat"的相关试题:

[单项选择]Anchor capstans are used in some installation where the cable lifter rotates about a ().
A. horizontal axis
B. crankshaft
C. vertical axis
D. camshaft
[单项选择]What is the normal length of anchor cable used to anchor a vessel?()
A. An amount equal to the depth of the water
B. Two times the depth of water
C. Three to four times the depth of water
D. Five to seven times the depth of water
[单项选择]()are used for anchor gear in marine work where the chains must withstand the corrosive effects of seawater.
A. Chains
B. Wires
C. Ropes
D. Lines
[单项选择]What is the bow type anchor shackle primarily used for().
A. Chain to chain connections
B. Chain to anchor connections
C. Kenter link to anchor connections
D. Wire rope connections
[单项选择]This is()where we shall anchor.
A. the light-house
B. the anchorage
C. the pilot station
D. the light-buoy
[单项选择]In a central cooling system, used in some modem ships, sea water is supplied to cool ()which will circulate to other individual cooler, greatly reducing the corrosion problems.
A. fresh water
B. sea water
C. cooling oil
D. emulsion
[单项选择]You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution,you should().
A. anchor using both anchors
B. anchor with scope of 8 or more to 1
C. use a stern anchor
D. fit a crown strap and work wire to the anchor
[单项选择]If an anchor windlass has been idle for some time, you should ().
A. repack all valve stems
B. lubricate it prior to use
C. replace the foundation bolts
D. balance the warping heads
[单项选择]Valve cages are used on some large diesel engines to ()
A. reduce wear on the valve stem
B. permit the use of alloy valve seat materials
C. reduce heat transfer from the valve seat
D. facilitate valve removal for servicing
[单项选择]The () is used to handle the anchor.
A. steering gear
B. windlass
C. deck crane
D. warping drum
[单项选择]Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?()
A. Geographical positions outlining the area of the sector
B. True bearings as observed from the ship toward the light
C. An outline of the area of the sector
D. True bearings as observed from the light toward the ship
[单项选择]Which of the following pumps is used where a relatively high pressure and small capacity are required?()
A. Volute pump
B. Diffuser pump
C. Regenerative pump
D. All of the above
[单项选择]In motor ship, () is often used to recover some of the heat carried in the exhaust gases from the main engine.
A. an diesel oil heater
B. a waste heat boiler
C. a fresh water generator
D. all the above
[单项选择]Where are the test certificates,for wire rope used as cargo runners,and loose gear certificates usually maintained? ()
A. With the Cargo Gear Register on the ship
B. In the Official Log
C. At the Coast Guard Marine Safety Office with the vessel's inspection records
D. At the central records center of the agency testing the cargo gear
[单项选择]The exhaust boilers are used to recover some of () carried in the exhaust gas from the main engine.
A. water
B. oil
C. heat
D. steam
[单项选择]The () engine is used for alternators and some times for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.
A. four-stroke
B. two-stroke
C. slow speed
D. reversible
[单项选择]Information from the stations and installations shall be appropriatelysharedby().
A. all crew members
B. all the watchkeeping personnel
C. all passengers
D. all visitors
[单项选择]In many installations basket strainers consist of a cylindrical container in which a perforated metal or wire basket is suspendedThe bold and italic word “which” means ().
A. installations
B. basket strainers
C. a cylindrical container
D. a metal or wire basket

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