A.Excessive valve train lubrication
B.Leaking standby oil cooler core
C.Excessive lube oil pressure
D.Excessive lube oil in the system
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A.improper adjustment
B.contaminated fuel
C.kinked fuel lines
D.excessive engine vibration
A.check cylinder lubrication prior to starting engine
B.connect exhaust gas analyzers to determine engine efficiency
C.pressure test cylinder heads to check for leaks
D.remove moisture accumulations from cylinder prior to starting
A.constantly decreasing as engine load increase
B.constantly increasing as the amount of supercharging increases
C.approximately equal to exhaust manifold pressure at all times
D.approximately equal to atmospheric pressure at all times
A.prolonged maintenance intervals
B.improved atomization
C.greater fuel economy
D.incomplete combustion
A.greater than the average exhaust manifold pressure
B.less than the average exhaust manifold pressure
C.greater at the turbine wheel than at the impeller
D.greater at reduced engine speed
A.loss of additives from the lube oil
B.carbon deposits in the lube oil
C.excessive centrifuging
D.excessive fuel dilution
A.erosion and cratering of the nozzle orifices
B.fuel leakage into the nozzle drain line
C.fuel leakage before and after injection
D.insufficient fuel delivery though that nozzle
A.check cylinder lubrication
B.connect the pressure indicator pressure
C.test cylinder heads
D.connect the exhaust gas pyrometers
A.At zero load the intake manifold pressure is greater than the exhaust manifold pressure
B.At full load the intake manifold pressure and exhaust manifold pressure are equal
C.At full load the intake manifold pressure is less than the exhaust manifold pressure
D.At full load the intake manifold pressure is greater than the exhaust manifold pressure
A.increasing cooling water flow
B.increasing lube oil flow
C.dilution by fuel oil
D.adding SAE 70 oil
最新试题
Cold weather starting of a diesel engine may be made easier by()
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
() is not installed on the main switchboar.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
Using a file without a handle may result in ()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
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.
The main purpose of port State control is not to()
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()