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发布时间:2023-11-09 03:42:43

[单项选择]The main purpose of inspection for a running diesel engine is()
A. testing for the mechanical load and the thermal load
B. inspecting thermal and mechanical condition of the engine
C. inspecting each system and exhaust temperature
D. testing for compress pressure and explosion pressure

更多"The main purpose of inspection for "的相关试题:

[单项选择]The main purpose of changing main engine to electronic controlled is not to()
A. control fuel injection time more precisely
B. control fuel injection rate more precisely
C. meet the environmental requirements
D. meet high engine speed requirements
[单项选择]The purpose of a main switchboard circuit breakers reverse-power trip is to ().
A. prevent main circuit overload
B. protect the circuit breaker blowout coil
C. prevent alternator motorization
D. prevent low voltage tripout
[单项选择]The main purpose of warming the parts of the main engine is ()
A. to reduce heat stress
B. to reduce low temperature corrosion
C. to improve firing and starting performance
D. fuel saving
[单项选择]The main propulsion diesel continues running after you try to shut downYoushould now attempt to()
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
[单项选择]The main purpose of an electric space heater installed in a large AC generator is to ()
A. prevent the windings from becoming brittle
B. prevent moisture from condensing in the windings during shutdown
C. prevent acidic pitting of the slip rings
D. keep the lube oil warm for quick starting
[单项选择]The main purpose of starting the diesel engine on air briefly is()
A. to inspect if the cylinder has the water leakage
B. to expel out the residual water/gas/oil from the cylinder
C. to check if fuel supply is normal
D. A and B
[单项选择]What is the main purpose of dunnage().
A. To act as ballast for light vessels
B. To provide ventilation and drainage for cargo
C. To secure the tarpaulins in place
D. To support weakened bulkheads
[单项选择]The main purpose of the piston oil scraper rings is to ().
A. seal the space between the piston and the liner
B. reduce the amount of lube oil burned in the combustion chamber
C. transmit heat from the piston to the cylinder liner
D. damp out fluctuations of the piston side thrust
[单项选择]The purpose of an oil mist detector in a main propulsion diesel engine is to warn of ()
A. excessive mist density in the crankcases
B. excessively high crankcase vacuum
C. excessively high bearing temperature
D. excessive carbon buildup in the lube oil
[单项选择]The main purpose of port State control is not to()
A. prevent an unsafe ship proceeding to sea
B. prevent a ship threatening the marine environment
C. fine the ships
D. confirm a safe sailing
[单项选择]()The main center-line structural member, running fore and aft along the bottom of a ship, sometimes referred to as the backbone.
A. Frame
B. Deckbeam
C. Stringer
D. Keel
[单项选择]When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the following precautions should be observed when switching back over to diesel oil?()
A. The diesel oil must never be allowed to mix with the heavy fuel
B. The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve
C. The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve
D. The heating steam must be secured before the diesel oil passes through the three-way valve
[名词解释]General purpose registers
[单项选择]Temporary Certificates of Inspection for offshore drilling units are effective until the ().
A. Operations Manual is approved
B. Minerals Management Service approval is issued
C. classification society approval is issued
D. permanent Certificate of Inspection is issued
[单项选择]Temporary Certificates of Inspection are effective until the().
A. SOLAS Certificate is issued
B. Loadline Certificate is renewed
C. classification society approval is issued
D. permanent Certificate of Inspection is issued
[单项选择]Scuffed cylinder liner wearing surfaces in a diesel engines can result from ()
A. starting the engine while hot
B. knurling the piston skirt
C. operating the engine overheated
D. scuff resistant piston rings

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