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【单选题】

When the power is shut off, the wire()

A、becomes slack

B、can not be paid out unless the brake is overhauled or recover wire unless manually operated

C、will be let out because the brake is out of work

D、may be pay out due to no power

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第1题

A、Ensure the /etc/auto_start file exists on the VIOS.  B、Ensure the 'cfgdev -a boot=yes' command has been executed.  C、Select the 'Automatically start when the managed system is powered on' option within the VIO Server LPAR profile.  D、Add the VIO Server to the 'Automatically start when the managed system is powered on' field on the Managed System properties.  

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第3题

A、The LCD monitor’s power inverter does not function properly.  B、The operating system’s power settings prevent the battery from charging.  C、The battery is not compatible with the laptop.  D、The internal power connection on the motherboard is faulty.  E、The power adapter is not working.  

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第4题

A、increases as the square of the current  B、decreases as the square root of the current  C、remains the same, as it is independent of current flow  D、increases in direct proportion as the current  

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第5题

A、in a crossing situation  B、when they are making more speed than the power-driven vessel  C、when the sailing vessel is overtaking  D、on the Inland Waters of the United States  

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第6题

A、when the power source is replaced  B、each year after installation  C、every six months  D、when it is no longer serviceable  

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第7题

A、To cut off the power when the davits hit the track safety stops  B、To stop the davits from going too fast  C、To cut off the power when the davits are about 12 inches or more from the track safety stops  D、None of the above  

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第8题

A、When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may result  B、When going directly from full ahead to full astern,there is complete steering control  C、When the vessel has headway and the propeller is in neutral,there is no effect on rudder control  D、When maneuvering in port,full ahead or astern power can usually be obtained without changing shaft RPM  

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第9题

A、suction stroke  B、compression stroke  C、power stroke  D、exhaust stroke  

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