Basically the bedplate consists of two （）, which run the length of the engine.
A、longitudinal girders
B、transverse girders
C、fore girders
D、aft girders
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The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the （）.
A、bridge control panel
B、disconnect links
C、governor relay box
D、main switchboard
The demisters installed in a flash-type evaporator serve to （）
A、deaerate the first effect distillate
B、filter the condensed flash vapors
C、deaerate the first and second effect distillate
D、remove small water droplets entrained in the flashed vapor
The SOLAS convention prescribes that the emergency steering drill should be carried out one time every （） months.
A、4
B、3
C、2
D、1
Low compression pressure in a diesel engine can be caused by（）
A、improperly seating intake valves
B、leaking cylinder liner seal rings
C、late fuel injection timing
D、carbon deposits on the piston
The thermal expansion valve responds to the（）
A、amount of superheat in the vapor leaving the coil
B、amount of superheat in the liquid
C、temperature in the evaporator coils
D、pressure in the evaporator coils
