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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 set
B
A sealing weld bead of 1/8 or less pitch is run along the plate edge
C
The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate
D
A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets
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更多 “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” 相关考题
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In their efforts to ___ us to buy that product, advertiser have made a close stdy of human nature and have classified all our little weaknesses.A、causeB、forceC、persuadeD、convince
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According to the passage, which of the following statement is not true?A.the heat exchanging surfaces should be kept substantially cleanB.the heat exchanger flow passages should be clear of obstructionC.seals for the plate heat exchanger needs to be renewed oftenD.the cleaning process of the plate heat exchanger should be done following our experiences only
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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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Which statement about the deck line is TRUE ________．A.The top of the deck line is marked at the highest point of the freeboard deck，including camber，at the midships pointB.A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shellC.The deck edge is marked at the intersection of the freeboard deck with the side shell，at the lowest point of sheer，with the vessel at even trimD.On a vessel with a rounded stringer-sheer plate，the deck line is marked where the stringer plate turns down from the plane of the deck line
考题
After riveting is completed, the joints on the shell of a vessel are generally made watertight by________.A.fayingB.caulkingC.felt or canvas packingD.red lead
考题
设计任务：请阅读下面学生信息和语言素材，设计一个25分钟的听力教学活动。
教案没有固定格式．但须包含下列要点：
teaching objectives
teaching contents
key and difficult points
major steps and time allocation
activities and justifications
教学时间：25分钟
学生概况：某城镇普通中学高中一年级学生，班级人数40人。多数学生已经达到《普通高中英语课程标准(实验)》五级水平。学生课堂参与积极性一般。
语言素材：
Why do earthquakes happen? Scientists explain that the outside of the earth is made of a number of different plates. At San Francisco, the Pacific plate which is moving towards the northwest meets the North American plate. The Pacific plate is moving very slowly--at 5.3 centimeters a year. Sometimes these two plates stop and do not move for years. Then suddenly, they jump and an earthquake is felt. As a result of the movement of these plates, California has always had a lot of earthquakes. When the 1906 earthquake happened, the Pacific plate jumped 5-6 meters to the north.
China also has an unlucky place on the earth. The Pacific plate is also pushing on China from the east as the plate moves west. Likewise, the Indian plate is pushing on China from the southwest as that plate moves northeast. The same power that produced the great Himalayan Mountains now causes earthquakes in China.
We cannot stop earthquakes, but we can do things to make sure they do not destroy whole cities. First, it is not a good idea to build houses along the lines where two of the earth's plates join together. Second, if you think there may be an earthquake, it is better to build houses on rock than on sand. Third, you must make the houses as strong as possible. Weak buildings will fall down in an earthquake, but strong ones may stay up.
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
考题
单选题The cylinder head, cylinder liner and （） form the combustion chamber.A
frameB
pistonC
crankcaseD
explosion plate
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单选题（） is made of a boss with separated blades mounted into it.A
A variable pitch propellerB
A variable pitch nutC
A fixed pitch parallelD
A fixed pitch screw
考题
单选题After riveting is completed, the joints on the shell of a vessel are generally made watertight by（）.A
fayingB
caulkingC
felt or canvas packingD
red lead
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When riveted joints occur at the ends of plating they are called（）.A
trailersB
terminalsC
seamsD
butts
考题
单选题We can remove the heavy rust on the plate with a （）.A
scraperB
hammerC
chipping hammerD
saw
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单选题The terms ceiling and margin plate are associated with the（）.A
crew's quartersB
engine roomC
main deckD
tank top
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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
考题
单选题The type of joint formed when a third small plate is riveted over two plates butted together is called a（）.A
butted jointB
lap jointC
strap jointD
stringer joint
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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 rising velocity of the globules carries them upwards where they become trapped by the under surfaces of plates and （）until the enlarged globules have sufficient rising velocity to travel along the plate surface and break away at periphery.A
disperseB
coalesceC
compressD
shrinkage
考题
单选题Since fuse elements are made of zinc or any alloy of tin and lead, the melting point of the fuse element must be （）.A
higher than that of copperB
lower than that of copperC
equal to that of copperD
reached when the conductor it is protecting becomes white hot
考题
单选题How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）A
Black and white stripes with an interrupted quick flashing lightB
Black and red stripes with a Morse (A) lightC
Black and red stripes with an interrupted quick flashing lightD
Red and white stripes with a Morse (A) light
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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