C. a solid stream and foam D. a solid stream and fog
KEY: D组合喷嘴或通用喷嘴产生固定流束和水雾。 [111] A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?
A. Factor of safety B. Number of wires per strand
C. Number of strands per wire rope D. Number of wires in the core
KEY: C系泊用的普通种类钢丝绳是6x19。6代表每根钢丝绳的股数。
[112] A compass card without north-seeking capability that is used for relative bearings is a(n)____
A. bearing circle B. pelorus C. bearing bar D. Alidade
KEY: B一个没有指北功能的罗经，被用来测量相对方位、航向角的方位仪（哑巴罗经）。 [113]同上
[114] A container with high cube would most likely be used to stow ______.
A. dense bulk cargoes B. household appliances
C. fragile cargoes D. heavy industrial machinery
KEY: B具有较大基载因数的集装箱货，通常用大体积集装箱装载。
[115] A continual worsening of the list or trim indicates ______.
A. negative GM B. progressive flooding
C. structural failure D. an immediate need to ballast
KEY: B横倾和吃水差连续增加，表明船舶可能进水。 [116] A continuous watertight bulkhead is normally also a(n)
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______.
A. structural bulkhead B. exterior bulkhead C. centerline bulkhead D. joiner bulkhead KEY: A连续水密舱壁是结构横舱壁。
[117] A correction for augmentation is included in the Nautical Almanac corrections for ______.
A. the Sun B. the Moon C. Venus D. None of the above
KEY: B月亮半径的改正量包括在航海天文历里。 [118]同上
[119] A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by
A. cutting a square notch at each end of the crack B. drilling a hole at each end of the crack
C. slot-welding the crack D. welding a doubler over the crack
KEY: B在裂缝两端钻眼可制止裂缝长度的增加。
[120]A crew member has suffered frostbite to the toes of the right foot．Which is NOT an acceptable first aid measure? A．Rub the toes briskly． B．Elevate the foot slightly． C．Rewarm rapidly．
D．Give aspirin or other medication for pain if necessary． KEY: A一个船员的右脚指冻伤。哪个不是首先可以采取的措施？快速摩擦脚趾。
[121] A cyclone in its final stage of development is called a(n) ______.
A. tornado B. anticyclone
C. occluded cyclone or occluded front D. polar cyclone
KEY: C气旋发展到最后阶段被称为锢囚气旋或锢囚锋。 [122]同上
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[123] A dead reckoning (DR) plot ______.
A. must utilize magnetic courses B. must take set and drift into account C. should be replotted hourly
D. should be started each time the vessel?s position is fixed KEY: D得到新的船位后，行迹推算应重新开始。 [124] A deck beam does NOT______.
A. act as a beam to support vertical deck loads B. lessen the longitudinal stiffness of the vessel C. act as a tie to keep the sides of the ship in place
D. act as a web to prevent plate wrinkling due to twisting action on the vessel
KEY: B甲板梁不会减少船舶纵向强度。
[125] A deck fitting, used to secure line or wire rope, consisting of a single body with two protruding horns is called a ______.
A. bitt B. bollard C. capstan D. Cleat
KEY: D用来系缆或钢丝绳的两个突出角质组成的甲板装配式系索耳羊角。 [126]同上
[127] A DECK, SPACE, AREA, ETC. , NOT PERMITTED TO BE ENTERED FOR SAFETY REASONS defines ______.
A. Restricted area B. Closed area C. Prohibited place D. Forbidden place
KEY: A受限制区域定义：为安全原因而不允许进入的区域，如一处甲板，空间，区域等。 [128]同上 [129]同上
[130] A design modification of an anchor chain which prevents kinking is the ______.
A. detachable link B. stud link C. Kenter link
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D. connecting link
KEY: B有档链环是能防止锚链绞缠的一种改进设计的锚链。 [131]同上
[132] A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a ______.
A. flame stopper B. flame screen C. flame filter D. flame restrictor
KEY: B在减压阀处装有一个或两个钢丝织网的活塞排出口装置叫防火网。
[133] A device used to enlarge the size of an existing bore hole, having teeth arranged on its outside circumference to cut the formation as it rotates is a(n) ______.
A. enlarger bit B. casing bit C. hole opener D. casing opener
KEY: C扩孔器是一个被用来扩大镗孔尺寸的设备，其周边镶有锯齿，以在转动时切割成型。
[134] A documented vessel operating over 50 miles offshore must carry an inflatable liferaft with a
A. SOLAS A pack B. SOLAS B pack C. coastal pack D. small vessel pack KEY: A一艘被有证明文件的船舶，在近岸50海里操作必须携带一气胀式救生筏，根据SOLAS A部分。
[135] A Doppler log in the bottom return mode indicates the ______.
A. velocity of the current B. bottom characteristics C. depth of the water D. speed over the ground KEY: D多普勒计程仪的绝对航速是相对于地面的速度。 [136]同上
[137] A Doppler log in the volume reverberation mode indicates the ______.
A. speed being made good B. speed through the water
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C. the set of the current D. the depth of the water KEY: B多普勒计程仪的相对航速是相对于水的航速。 [138] A Doppler speed log indicates speed over ground ______.
A. at all times B. in the bottom return mode
C. in the volume reverberation mode D. only when there is no current
KEY: B多普勒计程仪是多普勒计程仪绝对显示模式。 [139]同上
[140] A double male coupling is one that ______.
A. has left hand twist B. has inside threads on both ends
C. has outside threads on both ends D. takes two men to operate
KEY: C一个双凸链接件，两端有外螺旋结构。
[141] A drawbridge may use visual signals to acknowledge a vessel?s request to open the draw.
Which signal indicates that the draw will NOT be opened immediately?______.
A. A flashing amber light B. A fixed red light
C. A white flag raised and lowered vertically D. A flashing white light
KEY: B吊桥可以用视觉信号区确认船舶打开吊桥的请求，一盏红色的定光灯可以表示不要立即打开吊桥。
[142] A fairly accurate estimation of a ship?s position can be calculated by a technique know as ___
A. dead reckoning B. pilotage
C. great circle sailing D. geographic navigation
KEY: A一个相当精确的估计船位能被航迹推算法计算出来。
[143] A fiber towing hawser is readied for service by ______.
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