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
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A、fuel supply valve should be closed B、hatches，doors，and oar ports should be closed C、air cylinder shut-off valve should be closed D、engine should be shut off
A、Before leaving the harbour, all derricks must be stowed. B、After leaving the harbour, all derricks must be stowed fore and aft. C、Before leaving the harbour, all derricks must be stowed fore and aft. D、Before leaving the harbour, all heavy derricks must be stowed fore and aft.
A、seaworthy； be fined in our port B、un-seaworthy； be disassembled in our port C、seaworthy； be assembled in our port D、un-seaworthy；be detained in our port
A、refrigerant must be bled off the sensing line before adjustments are made B、all refrigerant must be pumped into the receiver before adjustments are made C、time must be allowed for conditions to stabilize in the evaporator before further adjustments are made D、all refrigerant must be routed through the dehydrator while changing the superheat setting
A、After loading and discharging, hatch covers will be opened. B、After loading and discharging, hatch covers will be closed. C、Before loading and discharging, hatch covers will be opened. D、Before loading and discharging, hatch covers will be closed.
A、A. RAM should be erased and the router restarted. B、B. Flash should be erased and the router restarted. C、C. NVRAM should be erased and the router restarted. D、D. The new configuration should be entered and saved.
A、should be gradually increased B、should be gradually reduced C、should be constantly kept D、should be varied up and down
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