[单项选择]AMVER is a system which provides（）.
A. satellite communications
B. navigational information
C. weather information
D. position reporting service

[单项选择]AMVER is a system which provides（）.
A. satellite communications
B. navigational information
C. weather information
D. position reporting service

[单项选择]The AMVER system requires（）.
A. Sailing plans to be sent before departure
B. More frequent reports in heavy weather
C. Arrival reports to be sent within 8 hours of arrival
D. A position report within 24 hours of departure

[单项选择]The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the （）.
A. condenser
B. vapor generator
C. accumulator
D. evaporator

[单项选择]In a refrigeration system, which of the following statements describes the actions occurring when a solenoid valves, used in conjunction with an unloader head is energized?（）
A. The solenoid valves directs high pressure gas to the valve lifting device raising the suction valve off its seat and causing one specific cylinder to become unloaded
B. The solenoid valves directs high pressure gas to the underside of the unloading piston, causing it to rise and allowing the recirculating ports to be opened
C. When the solenoid valve becomes energized, the valve ports become closed, allowing discharge pressure to build up above the piston, shifting it and causing it to unload
D. The solenoid valve allows the refrigerant to pass from the suction chamber to the top of the unloader piston, causing the piston to lift and unload the cylinder

[单项选择]In a closed cooling water system, which of the problems can cause the water pressure to fluctuate?（）
A. An open vent in the cooling system
B. A fouled sea chest
C. A restricted water passage in the engine
D. Air entrained in the cooling water

[单项选择]In a diesel engine lube oil system, which of the following parts should be lubricated first?（）
A. Camshaft beatings
B. Main bearings
C. Piston crowns
D. Cylinder walls

[多项选择]AMVER是一个（）系统。
A. 强制参加的
B. 全球性自愿参加的
C. 区域性自愿参加的
D. 全球性强制参加的
E. 船舶自动互助救助

[单项选择]The routing system which aimed at reducing the risk of casualties is called as（）.
A. traffic separation schemes
B. recommended tracks
C. precautionary areas
D. inshore traffic zones

[单项选择]The Routing System which aimed at reducing the risk of casualties is called as（）.
A. Traffic Separation Schemes
B. Recommended tracks
C. Precautionary areas
D. Inshore traffic zones

[单项选择]Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
A. Guy
B. Shroud
C. Spider
D. Topping lift

[单项选择]Which of these recommended designs provides the highest availability?（）
A. map the Layer 2 VLAN number to the Layer 3 subnet
B. control route propagation to edge switches using distribute lists
C. use a Layer 2 distribution interconnection link with HSRP or GLBP
D. use a Layer 3 distribution interconnection link with HSRP or GLBP
E. use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP

[单项选择]Which of the following components provides a direct source of seawater for the fire main system?（）
A. Rose box
B. Sea chest or spool piece
C. Sluice valve
D. Fire pump stuffing box

[单项选择]Which device provides the main means in the GMDSS for locating ships in distress or their survival craft（）.
A. Radio direction finder
B. Satellite EPIRBs
C. MF/HF DSC
D. VHF homing device

[单项选择]The （） in the steering gear system provides the force.
A. control equipment
B. power unit
C. transmission mechanisms
D. fittings and pipeline

[单项选择]Which of the listed refrigeration system components keeps the refrigerant circulating through the system?（）
A. Expansion valve
B. Condenser
C. Evaporator
D. Compressor

[单项选择]（） control system is one in which the control action is independent of the output.
A. Feed back
B. Negative feed back
C. Close loop
D. Open loop

[单项选择]Which fire detection system is actuated by sensing a heat rise in a compartment?（）
A. Manual fire detection system
B. Automatic fire detection system
C. Smoke detection system
D. Watchman's supervisory system

[单项选择]In which of the listed refrigeration system components does superheating of the refrigerant take place?（）
A. Expansion valve
B. Evaporator
C. Drier
D. Receiver

[单项选择]Using an inert gas system on a tanker has which advantage(s)? （）
A. Provides for faster loading
B. Lowers oxygen content in the tank
C. Provides better fuel economy
D. All of the above