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单选题
Assuming an even transverse distribution of weight in a vessel，which condition could cause a list?（）.
A
Empty double-bottoms and lower holds，and a heavy deck cargo
B
Flooding the forepeak to correct the vessel's trim
C
Having KG smaller than KM
D
Having a small positive righting arm
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更多 “单选题Assuming an even transverse distribution of weight in a vessel，which condition could cause a list?（）.A Empty double-bottoms and lower holds，and a heavy deck cargoB Flooding the forepeak to correct the vessel's trimC Having KG smaller than KMD Having a small positive righting arm” 相关考题
考题
On a vessel, multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n) ______.A.transverse momentB.vertical momentC.righting momentD.inclining moment
考题
Scrambling of SONET signals is done to ().
A. prevent the leakage of external fiber emissionsB. provide the optical network with the highest level of security possibleC. assure an even distribution of 1‘s and 0‘s for extended transmitter lifeD. assure an adequate number of transitions for clock recovery at the receiverE. prevent the receiver from assuming AIS inadvertently when all 0‘s are received
考题
Jettisoning weight from topside ______.A.returns the vessel to an even keelB.reduces free surface effectC.lowers the center of gravityD.raises the center of buoyancy
考题
Assuming an even transverse distribution of weight in a vessel，which condition could cause a list ________．A.Empty double-bottoms and lower holds，and a heavy deck cargoB.Flooding the forepeak to correct the vessel's trimC.Having KG smaller than KMD.Having a small positive righting arm
考题
During cargo operations，your vessel develops a list due to the center of gravity rising above the transverse metacenter．To correct the list，you should ______．A.Shift weight to the high sideB.Shift weight to the centerlineC.Add weight in the lower holds or double bottomsD.Remove weight from the lower holds or double bottoms
考题
Transverse frames are more widely spaced on a ship that is designed with the ______．A.Centerline system of framingB.Isometric system of framingC.Longitudinal system of framingD.Transverse system of framing
考题
Aboard a vessel, dividing the sum of the transverse moments by total weight yields the vessel’sA.vertical momentsB.transverse position of the center of gravityC.inclining momentsD.righting moments
考题
汉译英：“毛重；净重；公重”，正确的翻译为：（ ）。
A. gross weight ； clean weight; dry weight B. total weight; clean weight ； dry weight
C. gross weight ； net weight ； conditioned weight D. total weight ； net weight ； conditioned weight
考题
汉译英：“毛重；净重；公量”，正确的翻译为：（）。
A. gross weight ； clean weight ； dry weight B.total weight; clean weight; dry weight
C. gross weight； net weight； conditioned weight D.total weight ； net weight ； conditioned weight
考题
Scrambling of SONET signals is done to （）.A、prevent the leakage of external fiber emissionsB、provide the optical network with the highest level of security possibleC、assure an even distribution of 1's and 0's for extended transmitter lifeD、assure an adequate number of transitions for clock recovery at the receiverE、prevent the receiver from assuming AIS inadvertently when all 0's are received
考题
Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
Some people dislike exercise because （）A、they think it is physically exhaustingB、they find it hard to exercise while on a dietC、they don’t think it possible to walk 3 miles every dayD、they find consulting caloric-expenditure charts troublesome
考题
单选题Compared to four-stroke/cycle engines, two-stroke/cycle diesel engines have the disadvantage of （）A
less even torqueB
higher cylinder head temperaturesC
fewer power strokes per revolutionD
greater weight/size requirements
考题
单选题Your vessel is damaged with no list，but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?（）A
KB increases，increasing BM and therefore GMB
KG increases due to the weight of the added water on deckC
BM decreases from loss of water plane and greater volumeD
There is no effect on transverse stability
考题
单选题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 coolingB
oil coolingC
air coolingD
combined cooling
考题
单选题Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
What is the author’s purpose in writing this article? （）A
To justify the study of the Boston University Medical Center.B
To stress the importance of maintaining proper weight.C
To support the statement made by York Onnen.D
To show the most effective way to lose weight.
考题
单选题Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
What is said about the average American in the passage? （）A
They tend to exaggerate the healthful effect of “light” beer.B
They usually ignore the effect of exercise on losing weight.C
They prefer “light” beer and low-calorie bread to other drinks and food.D
They know the factors that play a positive role in keeping down body weight.
考题
单选题Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
Some people dislike exercise because （）A
they think it is physically exhaustingB
they find it hard to exercise while on a dietC
they don’t think it possible to walk 3 miles every dayD
they find consulting caloric-expenditure charts troublesome
考题
单选题（）on still water indictes how loading weight distribution affects on longitudinal strength.A
Bending momentB
local strengthC
shear forceD
displacement
考题
单选题A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.A
The vessel has negative GMB
The center of gravity is on the centerlineC
The list can be corrected by reducing KMD
The vessel has asymmetrical weight distribution
考题
单选题Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
What was confirmed by the Boston University Medical Center’s study? （）A
Controlling one’s calorie intake is more important than doing exercise.B
Even occasional exercise can help reduce weight.C
Weight reduction is impossible without exercise.D
One could lose ten pounds in a year’s time if there’s no increase in food intake.
考题
单选题Questions 26 to 30 are based on the following passage.
Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports.
Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight.
“Even exercise professionals concede half a point here” (Line 3, Para. 2) means “They （）”.A
agree that the calories in a small piece of pastry can be difficult to work off by exerciseB
partially believe diet plays a supporting role in weight reductionC
are not fully convinced that dieting can help maintain one’s new weightD
are not sufficiently informed of the positive role of exercise in losing weight
考题
单选题During cargo operations, your vessel develops a list due to the center of gravity rising above the transverse metacenter. To correct the list, you should（）.A
shift weight to the high sideB
shift weight to the centerlineC
add weight in the lower holds or double bottomsD
remove weight from the lower holds or double bottoms
考题
单选题The difference between the starboard and port drafts caused by a transverse shift in weight is （）.A
listB
heelC
trimD
flotation
考题
单选题Jettisoning weight from topside（）.A
return the vesselto an even keelB
reduces free surface effectC
lowers the center of gravityD
raises the center of buoyancy
考题
单选题Scrambling of SONET signals is done to （）.A
prevent the leakage of external fiber emissionsB
provide the optical network with the highest level of security possibleC
assure an even distribution of 1's and 0's for extended transmitter lifeD
assure an adequate number of transitions for clock recovery at the receiverE
prevent the receiver from assuming AIS inadvertently when all 0's are received
考题
单选题The function of lubricating oil is to （）A
maintain even distribution of bearing wearB
maintain a constant oil temperatureC
maintain a pressurized film between moving surfacesD
remove entrained water
考题
单选题The function of lubricating oil is to （）.A
reduce friction between moving surfacesB
provide even distribution of bearing wearC
reduce the accumulation of harmful detergentsD
maintain a constant oil temperature output at each beating
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