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名词解释题
equatorial plate (赤道板)
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考题
The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a ______.A.Grip jointB.Strap jointC.Thread jointD.Lap joint
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单选题As the South Equatorial Current approaches the east coast of Africa,it divides with the main part flowing south to form the warm().A
Agulhas CurrentB
Canary CurrentC
Benguela CurrentD
Madagascar Current
考题
单选题The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a().A
grip jointB
strap jointC
thread jointD
lap joint
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单选题A flounder plate,on a topping lift,is().A
a fairlead blockB
a swivel pin for the topping lift blockC
a triangular steel plate with a hole at each cornerD
the lower block of a multiple part topping lift
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单选题We can remove the heavy rust on the plate with a ().A
scraperB
hammerC
chipping hammerD
saw
考题
单选题In which month will the equatorial counter current be strongest? ()A
JanuaryB
AprilC
AugustD
October
考题
单选题How are riveted lap joints made watertight().A
The faying surfaces are coated with white lead(or similar product)before the rivets are setB
A sealing weld bead of 1/8 or less pitch is run along the plate edgeC
The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plateD
A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets
考题
单选题Air circulation is caused or affected by().A
the rotation of the earth on its axisB
convection currents caused by differences in radiant heating between equatorial and polar regionsC
mountain rangesD
All of the above
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单选题Aother name for the “swash plate” in the variable delivery pump is()A
tiltable discB
gravity discC
distributing discD
catch plate
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单选题To reduce the number of strakes at the bow,two strakes are tapered and joined at their ends by a single plate. This plate is known as a().A
cover plateB
joinerC
lap strakeD
stealer plate
考题
单选题The set of the equatorial countercurrent is generally to the().A
northB
eastC
southwestD
northwest
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单选题The winds with the greatest effect on the set,drift,and depth of the equatorial currents are the().A
doldrumsB
horse latitudesC
trade windsD
prevailing westerlies
考题
单选题A “liner” in riveted construction of a vessel is a(n) ().A
small plate which fills the aperture between riveted strakes and the vessel framingB
backing plate which is used to level the strakes while riveting,and then removedC
internal frame to which the side shell is rivetedD
seam that is welded after riveting is completed
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