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What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank ________．
A.Steel or aluminum
B.Sandwich style fibreglass with a natural rubber core
C.Copper-nickel or copper silicon alloys
D.Any or all of the above
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更多 “ What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank ________．A.Steel or aluminumB.Sandwich style fibreglass with a natural rubber coreC.Copper-nickel or copper silicon alloysD.Any or all of the above ” 相关考题
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Deck beams perform ______ of the following functions in the hull structure of a vessel．① They transfer deck loads to the frames；② They help to maintain the shape of the hull．A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ②
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On a vessel，the keel is the primary strength member of the lower hull form in which direction ________．A.TransverseB.DiagonalC.LongitudinalD.Vertical
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The term strake is used in reference to ______．A.rudder mountingsB.anchor gearC.hull platingD.vessel framing
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N Company manufactures a kind of product used throughout the machinery industry.The standard price of the materials for the products is $ 6 per kilogram; the standard quantity of materials allowed per unit is 1.5 kilograms. During July, 2 000 units of the products were finished, for which 3 200 kilograms of materials were used at a total direct material cost of $ 18 560.
Requirment :
A. Calculate the direct material price variance for July. Indicate whether it is favorable (F) or unfavorable (U) and who is generally responsible for this variance.
B. Calculate the direct material quantity variance for July. Indicate whether it is favorable (F) or unfavorable (U) and who is generally responsible for this variance.
C. Calculate the total direct material cost variance for July. Indicate whether it is favorable (F) or unfavorable (U).
考题
船舶的主体是船壳。（）A、The main body of a vessel is the hull.B、The main body of a vessel is the superstructure.C、The main body of a vessel is the engine room.D、The main body of a vessel is the poop.
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船舶由船体和上层建筑组成。（）A、A vessel is made up of the hull and the superstructure.B、A vessel is made up of the hull and the bridge.C、A vessel is made up of the hull and the forecastle.
考题
单选题船舶的主体是船壳。（）A
The main body of a vessel is the hull.B
The main body of a vessel is the superstructure.C
The main body of a vessel is the engine room.D
The main body of a vessel is the poop.
考题
单选题In the ship construction portfolio，materials which do not conform to ASTM or ABS specifications must also include the（）.A
chemical and physical properties of the materialB
name of the alternative standard or specificationC
the ASTM or ABS specification the material approximatesD
manufacturer or origin of the material
考题
单选题In vessel construction，beam brackets are triangular plates that join the deck beam to a（）.A
bulkheadB
frameC
stanchionD
deck longitudinal
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单选题船舶由船体和上层建筑组成。（）A
A vessel is made up of the hull and the superstructure.B
A vessel is made up of the hull and the bridge.C
A vessel is made up of the hull and the forecastle.
考题
单选题When a vessel is inclined by an external force，the（）.A
shape of the vessel's underwater hull remains the sameB
vessel's center of gravity shifts to the center of the vessel's underwater hullC
vessel's center of buoyancy shifts to the center of the vessel's underwater hullD
vessel's mean draft increases
考题
单选题0n a vessel, the keel is the primary strength member of the lower hull form in which direction?（）.A
transverseB
disagonalC
longitudinalD
vertical
考题
单选题Compared to internal structural plating. The exterior hull plating on a vessel is usually（）.A
strongerB
thinnerC
more corrosion resistantD
a lower grade steel
考题
单选题The main function of tie rods in the construction of large, low speed diesel engines is to（）.A
stiffen the bedplate in way of the main bearings to increase the engines longitudinal strengthB
accept most of the tensile loading that results from the firing forces developed during operationC
mount the engine frame securely to the hull to prevent shaft coupling misalignmentD
connect the crosshead solidly to the piston rod
考题
单选题In a diesel engine, an integral liner is one in which the cooling water （） Ⅰ.flows through the cylinder liner jackets Ⅱ.touches the outer side of the linerA
Ⅰ onlyB
Ⅱ onlyC
both Ⅰ and ⅡD
neither Ⅰ and Ⅱ
考题
单选题What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）A
The vessel is not capable of performing all required distress and safety functionsB
The vessel is carrying more than the required number of qualified GMDSS radio operatorsC
The vessel has a temporary waiver of its radio license and Safety CertificateD
The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
考题
单选题In the construction of a diesel engine, what is the purpose of end plates?（）A
To provide accessibility to the cylinder linersB
To add stability to the engine blockC
To add rigidity to the block and a surface for attaching other partsD
To make a surface for the base
考题
单选题When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?（）A
When the two vessels are less than half a mile from each otherB
When the give-way vessel is not taking appropriate action to avoid collisionC
When collision is imminentD
The stand-on vessel is never allowed to take action
考题
单选题On a vessel，the keel is the primary strength member of the lower hull form in which direction?（）.A
transverseB
diagonalC
longitudinalD
vertical
考题
单选题One method of constructing large marine diesel engines and reducing the total engine frame weight is through （）.A
casting interlocking componentsB
welding plates to form sections for assemblyC
forging integral componentsD
case hardening integral components
考题
单选题A stream of water immediately surrounding a moving vessel’s hull，flowing in the same direction as the vessel is known as（）.A
directional currentB
forward currentC
propeller currentD
wake current
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单选题The function of the bilge keel is to（）.A
reduce the rolling of the vesselB
serve as the vessel's main strength memberC
add strength to the bilgeD
protect the vessel's hull when alongside a dock
考题
单选题Compared to internal structural plating，the exterior hull plating on a vessel is usually（）.A
strongerB
thinnerC
more corrosion resistantD
a lower grade steel
考题
单选题While in drydock your vessel will be belt-gauged.This process involves（）.A
measuring the thickness of the tail shaft linerB
taking the vessel's offsets to check for hull deformationC
testing and examining the anchor cables for defective linksD
drilling or sonic-testing the hull to determine the plate thickness
考题
单选题When a vessel is in dry-dock, the vessel’s engineers should （）.A
examine the condition of the propellerB
chip and paint all hull protection zincsC
install new docking plugs in all cofferdamsD
inspect the hull for hogging or sagging
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单选题0f the following, the most important consideration for a tank vessel is（）.A
GMB
the vertical center of gravityC
the longitudinal center of gravityD
the stress on the hull
考题
单选题Where is thicker plating usually found in the construction of integral tanks on a ship? （）A
On the outside of the tankB
At the bottom of the tankC
At the top of the tankD
At the center of the tank
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