A、A.Faulty thermostatic bypass valve
B、B.Eroded zinc pencils in the heat exchanger
C、C.Steam formation in the expansion tank
D、D.Excessive leakage from jacket water pump seal
更多“The main propulsion diesel engine jacket water temperature rises above normal, with the raw water sea suction and the expansion tank water level being normalWhich of the following problems is most likely the cause?（）”相关的问题
A、disengaging the clutch firstly, then stopping the main engine B、stopping the main engine firstly, then disengaging the clutch C、stopping the cooling water pump firstly, then stopping the main engine D、stopping the main engine and disengaging the clutch at the same time
A、the power of main engine will be reduced B、exhaust temperature will be increased C、the speed of the ship will be reduced D、the propulsion characteristic of propeller will keep unchanged
A、adjusts the idle speed control B、drain and flushes the governor and replace the oil C、adjusts the compensating needle valve
A、wheelhouse control station B、engine room control station C、captains office D、chief engineers office
A、white smoke in the exhaust B、high exhaust gas pyrometer readings C、sparks in the exhaust D、blue smoke in the exhaust
A、stop the combustion air supply B、engage the jacking gear C、secure the lube oil pump D、shut off the fuel at the day tank
A、direct action of cam shaft B、compressed air pressure C、hydraulic “push rods” D、direct action of the main piston moving down
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