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单选题
能引起风暴潮的天气系统有（）
A
热带气旋强锋面气旋
B
寒潮冷高压
C
C.B都对
D
D.B都不对
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考题
单选题根据2001年燃油污染民事责任公约，有关燃油污染损害赔偿的诉讼时效为（），自损害发生之日起算，但最长不超过引起损害的事件发生之日起（）。A
3年；6年B
3年；5年C
1年；3年D
1年；2年
考题
单选题The flywheel reduces speed fluctuations by （）A
maintaining a constant rack settingB
storing kinetic energyC
maintaining equal exhaust pressureD
maintaining even camshaft speed
考题
单选题If you change from a low pour point lubricant to a high pour point lubricant in a refrigeration system, （）.A
compressor lubrication will be improvedB
oil will not leave the crankcaseC
compressor valves will be damagedD
oil may congeal in the evaporator
考题
单选题某轮排水量为15000t，现要用船吊吊起一重为60t的重大件货物，起卸时货物重心距基线高度为2.0m，吊杆顶点距基线高度为20m，则吊卸过程中对船舶初稳性高度的影响值为（）。A
减少0.07mB
减少0.05mC
增加0.07mD
增加0.05m
考题
单选题The International Oil Pollution Prevention Certificate required by MARPOL is issued to China flag by the （）.A
IMOB
CCSC
USCGD
PICC
考题
单选题A vessel sailing through the specific special areas may discharge or dispose of （）.A
incinerated ash at anytimeB
fairly dense material that will sink, i√emetal cans or glass bottles at anytimeC
victual waste when at least 12 nautical miles from shoreD
absolutely no garbage at anytime
考题
单选题两台同型号的同步发电机并联运行时，已均功，由于两台柴油机调速器的调差率不同，当电网功率减少后，两机的输出功率都有减少，结果是调差率小的输出功率与调差率大的输出功率相比为（）。（设系统无自动调频调载装置）A
调差率小的输出功率大B
调差率大的输出功率大C
两者相等D
视当时负载情况确定
考题
单选题Lubricating oil viscosity in an operating diesel engine can be reduced by（）A
increasing cooling water flowB
increasing lube oil flowC
dilution by fuel oilD
adding SAE 70 oil
考题
单选题In a diesel engine, excessive cylinder liner wear will cause （） Ⅰ.increased blow-by Ⅱ.wear between the piston ring and grooveA
Ⅰonly is correctB
Ⅱ only is correctC
both Ⅰ and Ⅱ are correctD
neither Ⅰ or Ⅱ are correct
考题
单选题In ship construction, frame spacing is（）.A
greater at the bow and sternB
reduced at the bow and sternC
uniform over the length of the vesselD
uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses
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