更多"Because the tie bolts are so close "的相关试题:
[单项选择]（） is secured by means of side-chock bolts and end-chock bolts.
A. The bedplate
B. The column
C. The main bearing
D. The double bottom
[单项选择]飞行中，突然bus tie警告灯亮，这时（）
A. 飞机电瓶被充电
B. 飞机一号发电机不供电
C. 重要汇流条和一号主汇流条无电
D. 飞机电瓶有输出
[单项选择]The main function of tie rods in the construction of large, low speed diesel engines is to（）.
A. stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B. accept most of the tensile loading that results from the firing forces developed during operation
C. mount the engine frame securely to the hull to prevent shaft coupling misalignment
D. connect the crosshead solidly to the piston rod
[单项选择]The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through. What should you be most concerned with? （）
A. A downbound vessel
B. An upbound vessel
C. Current reaction when the lock chamber is being emptied
D. Current reaction when the lock chamber is being filled
[单项选择]Close the （）.
A. keyway
B. shaft
C. packing
D. valve
[单项选择]PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. This description is likely used in（）.
A. fire fighting operations
B. salvage operations
C. cargo operations
D. manoeuvering operations
[简答题]尾气SO2含量的制定依据是什么？尾气SO2含量超标的危害有哪些？如何控制及预防尾气SO2含量超标？
[单项选择]Many（）shops will be forced to close if the new supermarket is built.
A. local
B. broad
C. general
D. public
[单项选择]As a vessel falls off the wind from close-hauled to a beam reach，the tendency for the vessel to move sideways through the water will（）.
A. increase
B. decrease
C. change only if the vessel comes about on the opposite tack
D. not change
[单项选择]下面关于ENG VALVE CLOSE灯的说法正确的是（）
A. 这是发动机梁活门的指示灯
B. 活门打开时该灯灭
C. 活门打开时该灯明亮
D. 活门打开时该灯暗亮
[单项选择]工业上合成硫酸需制造SO2，制造SO2主要使用的原料是：（）
A. 硫化亚铁
B. 亚硫酸钠
C. 硫铁矿
D. 芒硝
[简答题]SO2催化氧化生成SO3，为什么要在不同温度下分段进行？
[单项选择]SO3是（）
A. 碱性氧化物
B. 酸性氧化物
C. 两性氧化物
D. 混合物
[单项选择]Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）.
A. fuel/water separators
B. day tanks
C. injector test stand
D. fuel filters
[单项选择]吸收剂吸收SO3生产H2SO，不采用水做吸收剂，这是因为：（）
A. 易产生酸雾
B. 吸收太慢
C. 吸收太快
D. 需要加热
[单项选择]It was convenient（）close to work.
A. to living
B. living
C. live
D. lived
[单项选择]When action to avoid a close quarter situation is taken,a course change alone may be the most effective action provide that（）.
A. it is done in a succession of small course changes
B. It is not done too early
C. It is a large course change
D. the course change is to starboard
[单项选择]命令CLOSE ALL的功能是（）。
A. 关闭一个库文件
B. 关闭所有文件，选择第一个工作区为当前工作区
C. 关闭所有打开的库文件
D. 关闭所有打开的库文件，清除所有内存变量，并选择第一个工作区为当前工作区
