更多"Before being certified by the Ameri"的相关试题:
[单项选择]Before being used the fuel service tank should be drained of （）.
A. soda solution
B. mechanical impurities
C. ballast
D. water and residuals
[单项选择]Before being shut down, a diesel engine should idle a few minutes in orderto （）
A. prevent governor surging at shutdown
B. make sure the fuel nozzles are flushed clean
C. prevent pressure buildup in the fuel lines
D. prevent damage from localized overheating
[单项选择]Dirty oil must be （） before being used again.
A. mixed with clean oil
B. purified
C. heated
D. strained
[单项选择]Before the final examination, some students have shown（）of tension. They even have trouble in sleeping.
A. anxiety
B. marks
C. signs
D. remarks
[单项选择]Before she began to study at Beijing University, she（）in a factory for five years.
A. had worked
B. worked
C. has worked
D. would work
[单项选择]Which safety check（s）should be made before letting go the anchor（）.
A. See that the anchor is clear of obstructions
B. See that the chain is all clear
C. See that the wildcat is disengaged
D. All of the above
[单项选择]Before switching on gyro-compass，you should make sure that the power supply on board is（）.
A. high or low
B. AC or DC
C. strong or weak
D. on or off
[单项选择]Before you start an engine in a compartment，it’s MOST important to（）.
A. check the flame arrester
B. check the fuel tank
C. check the battery
D. ventilate the bilges
[单项选择]The National Cargo Bureau represents the（）.
A. agent
B. operator
C. shipper
D. All of the above
[单项选择]The tide（）.It’s 2 hours before low water, and（）your present position you will be aground at low water.
A. falls/in
B. has been falling/on
C. has fallen/at
D. is falling/in
[单项选择]The tide（）.It’s 2 hours before low water，and（）your present position you will be aground at low water.
A. falls／in
B. has been falling／on
C. has fallen／at
D. is falling／in
[单项选择]BvD是全球知名的（）实证数据库提供商，全称Bureau van Dijk Electronic Publishing，总部位于瑞士日内瓦。
A. 人文科学专业
B. 财经专业
C. 环境科学专业
D. 工程专业
[单项选择]Vessel propellers are classified as being right hand or left handA right hand propeller turns clockwise when viewed from（）.
A. the bow
B. the stem
C. the port side
D. the starboard side
[单项选择]During waste clothes being charged into an incinerator, the auxiliary burner（）.
A. should be stopped manually
B. keeps the combustion as usual
C. would be cut off by an interlock
D. would replace the waste oil burner and keep going on
[单项选择]A single vessel being towed alongside shall exhibit（）.
A. one all-round white light
B. sidelights and a sternlight
C. only the outboard sidelight and a sternlight
D. a masthead light，sidelights，and a sternlight
[单项选择]Many diesel engine exhaust valves are being constructed with hollow stems filled with sodium in order to （）
A. provide added wear protection against today’s corrosive quality of fuel
B. increase overall valve strength due to the high gas pressures
C. assist in dissipating heat due to the extreme operating temperatures
D. reduce the overall weight of the valve thus helping eliminate valve spring surge and hammering
[单项选择]The shipping papers for the products being carried in your tanker are NOT required to contain the（）.
A. exact quantity of the cargoes
B. grades of the cargoes
C. location of the delivery point(s)
D. name of the consignee(s)
[单项选择]The provision of specialist teachers is being increased.（）
A. 他们提供了更多的专业教师。
B. 专业师资力量的配备正在逐步增强。
C. 教授专业课的老师人数越来越多。
D. 所储配的专业教员的人数有所增加。
