A.the lack of a feedback
B.the presence of a feed back
C.the lack of a computer
D.the presence of a computer
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A.two-step controller action
B.proportional, controller action
C.integral controller action
D.derivative controller action
A.Proportional controller
B.Integral controller
C.Derivative controller
D.PID controller
A.predetermined value
B.measured value
C.off-limit
D.sustained deviation
A.proportional control
B.integral control
C.derivative control
D.on-off control
A.fuel manifold
B.lubricating pipe line
C.auxiliary engine pipe line
D.generator output line
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Cold weather starting of a diesel engine may be made easier by（）
The condensers located in various stages of a flash evaporator are cooled by（）
（） is not installed on the main switchboar.
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Which of the following items don’t belong to dock repair works?（）
Under MARPOL Code the ship to which it applies has to carry （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.