[单选题]As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）A . Green diamondB . Green triangleC . Red diamondD . Red square
[单选题]As it approaches，a typical warm front will bring（）.A . rising temperatures and falling barometric pressureB . falling temperature and pressureC . falling temperatures and rising pressureD . rising barometric pressure and temperature
[单选题]As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）A . A cable clampB . A fishplate，flounder，or towing plateC . A pad eyeD . The towing bitt
[单选题]At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix，which statement is TRUE?（）A . You are to the left of your track lineB . Your fathometer reads abo
[单选题]As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.A . a cable crossingB . a sunken bargeC . a submerged discharge pipeD . the end of a wharf
[单选题]At 0100 you notice that the wind has become SSW’ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy “18” bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?（）A . You should alter course to the right to incr
[单选题]An instrument that indicates wind direction is known as a(n)（）.A . weather vane，wind vane or wind sockB . hydrometerC . hygrometerD . sling psychrometer
[单选题]天竺葵种类和品种类型丰富，其中天竺葵为最常用的种类，目前生产上较先进的繁殖方法是（）。A . 播种繁殖B . 扦插繁殖C . 组织培养D . 分株繁殖
[问答题] 影响换热器传热量的因素有哪些
[单选题]使用时间久后，舵柄与转舵机构之间的间隙磨损后能自动补偿的是（）。A . 十字头式B . 拨叉式C . 滚轮式D . 摆缸式
[单选题]A wobbling tail shaft is an indication of（）.A . shallow waterB . an engine that is misfiringC . a tight tail shaft glandD . worn stern bearing or misalignment
[单选题]An isotherm is（）.A . a line on a weather map connecting equal points of both temperature and pressureB . an instrument that measures the climatological effects of temperatureC . a line connecting points of equal barometric pressure on a weather mapD
[单选题]After an engine is started you should（）.A . increase engine speed to insure adequate flow of oil to all parts of the engineB . pay no attention unless there are unusual noises from the engineC . check operating pressures and temperatures，and check fo
[问答题] 烧成过程中出现的液相其何作用？
[单选题]An instrument that maintains a continuous record of humidity changes is called a（）.A . thermometerB . barometerC . hygrographD . thermograph
[单选题]An intermediate spring is（）.A . fitted in each leg of the towing bridleB . generally located between the "fishplate" and the main towing hawserC . secured at the "H" bittsD . usually made of manila hawser