更多"To shut down a diesel engine after "的相关试题:
[单项选择]To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
A. Speed limiting governor
B. Over-speed governor
C. Over-speed trip
D. Over-speed relay
[单项选择]Before being shut down, a diesel engine should idle a few minutes in orderto （）
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
[单项选择]The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）
A. Mayday，Mayday，Mayday
B. Pan，Pan，Pan
C. Security，Security，Security
D. Lights out，Lights out，Lights out
[单项选择]If（）is shut down for an extended time optimum position fixing will take up to 2 hours after power is reapplied．
A. radar
B. DF
C. Satellite Navigator
D. Automatic Omega Navigator
[单项选择]An automated diesel engine should normally shut down due to （）
A. low lube oil temperature
B. high ambient air temperature
C. low tube oil pressure
D. high exhaust system back pressure
[单项选择]After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
A. Jack the vessel back up to a safe height
B. Proceed on to your next destination since the list is unimportant
C. Pump out all ballast to gain reserve buoyancy
D. Notify the Coast Guard
[单项选择]For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the （）.
A. intercooler
B. open air
C. oil fired boiler
D. B and C
[单项选择]In a four-stroke/cycle diesel engine, after the completion of the power stroke, the piston will move（）
A. up and draw in a fresh air charge
B. down to burn off fuel
C. down to compress the fuel air charge
D. up and force out the exhaust gases
[单项选择]Failure to open the diesel engine test cocks after a long period of shutdown, prior to starting may result in （）
A. an air bound fuel system
B. damage to cylinder heads and pistons
C. excessive fuel injection
D. excessive air valve lift
[单项选择]Immediately after starting a diesel engine, normal raw water and jacket water pressure are indicatedHowever, the jacket water temperature continues to rise, if there is no change in the sea temperature, you should suspect（）
A. overloading in all cylinders
B. a jammed three-way thermostatic valve
C. chromate PH too low
D. a high level in the surge tank
[单项选择]After finished the engine, which of valves cannot be shut off by the duty engineer?（）
A. fuel valve
B. the starting air valve
C. the sea chest
D. the main sea pump inlet valve
[单项选择]Immediately after any diesel engine is started, the engineer should check the （）
A. crankcase pressure
B. lube oil pressure
C. saltwater pressure
D. exhaust temperature
[单项选择]After received the “finished with engine” instruction, which of the following operations is false?（）
A. shut off the starting air receiver outlet valve
B. stop the FO priming transfer pump and shut off the correspondence inlet and outlet valve
C. stop the SW pump immediately and shut off the correspondence inlet and outlet valve
D. stop the FW pump immediately and shut off the correspondence inlet and outlet valve
[单项选择]After-cooling of a turbocharged diesel engine will result in （）
A. higher torque but lower brake horsepower
B. lower torque but higher brake horsepower
C. higher torque and lower brake horsepower
D. lower torque and higher brake horsepower
[单项选择]After an engine is started you should（）.
A. increase engine speed to insure adequate flow of oil to all parts of the engine
B. pay no attention unless there are unusual noises from the engine
C. check operating pressures and temperatures，and check for leaks
D. run the engine at idle until the temperature has increased
[单项选择]Just after stopping the engine while the oil is still circulating.Check that uniform oil jets appear from all the oil outlet grooves in the crosshead bearing lower shell and the guide shoes.The oil flow from （） must be compared from unit; there should be a similarity in the flow patterns.
A. the piston cooling oil return pipes
B. the main and crankpin bearings
C. thrust and intermediate bearings
D. stern tube and thrust bearings
[单项选择]The engine may lose power or slow down during running, when this occurs, the first cause possible may be hot bearings and （） of the pistons in the cylinders.
A. crack
B. knocking
C. leaking
D. seizure
[单项选择]After the engine is warned, we should（） the turning gear before starting up the engine.
A. take in
B. put in
C. take out
D. put up
[单项选择]After "F.W.E" is given, the air system is shut down, the （） gear put in, all drains and indicator cocks opened, and the cooling water kept running.
A. steering
B. timing
C. turning
D. running
