更多"When is the most critical time of b"的相关试题:
[单项选择]The most critical part of the bunkering operations, which can result in an oil spill, is when the （）
A. hose joints are made up
B. tanks are being topped off
C. system is being lined up
D. pumping operation is first started
[单项选择]When daylight savings time is kept，the time of tide and current calculations must be adjusted.One way of doing this is to（）.
A. Add one hour to the times listed under the reference stations
B. Subtract one hour from the time differences listed for the subordinate stations
C. Apply no correction as the times in the reference stations are adjusted for daylight savings time
D. Add 15° to the standard meridian when calculating the time difference
[单项选择]The most likely time for oil pollution while bunkering is when（）.
A. final topping off is occurring
B. first starting to receive fuel
C. hoses are being blown down
D. hoses are disconnected and being capped
[单项选择]The most crucial time for any bearing with regards to lubrication is （）
A. during low loads
B. after proper oil viscosity is reached
C. during starting
D. after cleaning filters
[单项选择]What is the MOST important consideration when determining how to fight an electrical fire?（）
A. Whether the fire is in machinery or passenger spaces
B. Danger of shock to personnel
C. The amount of toxic fumes created by the extinguisher
D. Maintaining electrical power
[单项选择]Which will most likely occur when entering shallow water? （）
A. Rudder action will become more effective
B. The vessel's list will change
C. The vessel's trim will change
D. An increase in speed will occur
[单项选择]The most important thing to remember when launching an inflatable liferaft by hand is to（）.
A. open the CO2 inflation valve
B. open the raft container
C. ensure that the operating cord is secured to the vessel
D. inflate the raft on the vessel，then lower it over the side
[单项选择]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and （）.
A. slightly acidic
B. slightly alkaline
C. no salty
D. slightly bitter
[单项选择]The hydraulic oil most likely to thin out when hot and thick when cold would have a viscosity index of（）
A. 20
B. 40
C. 60
D. 80
[单项选择]在PERT对各个项目活动的完成时间的估计中，most likely time是（）
A. 乐观时间
B. 最可能时间
C. 悲观时间
D. 估计时间
[单项选择]The term flood current refers to that time when the water（）.
A. is flowing towards the land
B. is moving towards the ocean
C. level is not changing
D. level is rising because of heavy rains
[单项选择]Sidereal time is used by navigators when（）.
A. used with the equation of time
B. used in the form of LHA Aries
C. calculating the time of moonrise
D. determining local apparent time
[单项选择]关于最可能时间（MOST LIKELY TIME），下列说法正确的是（）
A. 任何事情都顺利的情况，完成某项工作的时间
B. 正常情况下，完成某项工作的时间
C. 最不利的情况，完成某项工作的时间
D. 随机出现的时间
[单项选择]Stand of the tide is that time when（）.
A. the vertical rise or fall of the tide has stopped
B. slack water occurs
C. tidal current is at a maximum
D. the actual depth of the water equals the charted depth
[单项选择]In most cases，when a large merchant vessel enters shallow water at high speed the（）.
A. maneuverability will increase
B. speed will increase
C. bow will squat farther than the stern
D. vessel will rise slightly，on a level plane
[单项选择]As a rule，ships of most configurations，when drifting in calm water with negligible current，will lie（）.
A. bow to the wind
B. beam to the wind
C. stern to the wind
D. with the wind on the quarter
[单项选择]Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
A. Bell alarm to warn the user
B. Lighted alarm signal to warn the user
C. Alternate signal keying system
D. View finder for each station
