更多"Progressive flooding may be indicat"的相关试题:
[单项选择]Progressive flooding may be indicated by（）.
A. ballast control alarms
B. excessive draft
C. excessive list or trim
D. a continual worsening of list or trim
[单项选择]Progressive flooding is controlled by securing watertight boundaries and（）.
A. transferring water ballast
B. jettisoning cargo
C. pumping out flooded compartments
D. abandoning ship
[单项选择]Progressive flooding on a ship is controlled by securing watertight boundaries and（）.
A. transferring drill water
B. dumping bulk materials
C. pumping out flooded compartments
D. evacuating the unit
[单项选择]Engine operating conditions may be indicated by the color of the exhaust smoke.Black smoke could indicate（）
A. an insufficient speed droop setting
B. an overloaded engine
C. clogged drain holes in the oil control rings
D. complete combustion
[单项选择]The proximity of pack ice may be indicated by（）.
A. changes in seawater salinity
B. glare on clouds on the horizon
C. changes in air temperature
D. icebergs
[单项选择]Carbon dioxide flooding system is used for extinguishing fires because it reduces the concentration of oxygen in the air to（）.
A. flashing point
B. combustion point
C. auto-ignition point
D. lower explosive limit
[单项选择]To correct the condition of slugging and flooding back in a refrigeration system, it may be necessary to （）.
A. re-adjust the discharge pressure
B. clean the expansion valve screen
C. add refrigerant
D. adjust the expansion valve
[单项选择]Flooding of any compartment in a ship that results in a serious loss of reserve buoyancy will always（）.
A. increase the trim
B. increase ship stability
C. cause a serious list
D. decrease the heeling moment
[单项选择]Control of flooding should be addressed（）.
A. first
B. following control of fire
C. following restoration of vital services
D. only if a threat exists
[单项选择]Accidental flooding of the engine room bilges by the bilge main is prevented by （）.
A. stop-check valves installed in the bilge manifolds
B. using a positive displacement reciprocating bilge pump
C. installing eductors in all bilge rose boxes
D. installing a swing check before each bilge valve
[单项选择]SYN Flooding攻击的原理是什么？（）
A. 有些操作系统协议栈在处理TCP连接时，其缓存区有限的空间不能装载过多的连接请求，导致系统拒绝服务
B. 有些操作系统在实现TCP/IP协议栈时，不能很好地处理TCP报文的序列号紊乱问题，导致系统崩溃
C. 有些操作系统在实现TCP/IP协议栈时，不能很好地处理IP分片包的重叠情况，导致系统崩溃
D. 有些操作系统协议栈在处理IP分片时，对于重组后超大的IP数据包不能很好得处理，导致缓存溢出而系统崩溃
[单项选择]The C02 flooding system is actuated by a sequence of steps which are（）.
A. break glass，pull valve，break glass，pull cylinder control
B. sound evacuation alarm，pull handle
C. open bypass valve，break glass，pull handle
D. open stop valve，open control valve，trip alarm
[单项选择]“Flooding back” is a condition where the liquid refrigerant （）.
A. vaporizes in the condenser
B. reaches the compressor through the suction line
C. flashes in the liquid line
D. condenses in the receiver
[单项选择]Initial stability is indicated by（）.
A. GM
B. KM
C. deck load
D. maximum allowed KG
[单项选择]Faulty operation of any system is indicated by very definite （）.
A. symptoms
B. samples
C. traces
D. tracks
[单项选择]Which of the problems listed could be indicated if a sight glass in the refrigerant liquid line is full of bubbles?（）
A. Proper refrigerant charge
B. Faulty expansion valve
C. Insufficient refrigerant
D. Solenoid valve stuck open
[单项选择]Proper combustion in a boiler would be indicated by （）.
A. yellowish flame
B. golden yellow flame
C. white flame
D. brilliant white flame
