更多"Oil pressure in the lubrication sys"的相关试题:
[单项选择]Oil pressure in the lubrication system is （） the static sea water head to ensure that sea water （） the stem-tube.
A. lower than；can lubricate
B. lower than；can cool
C. higher than；can enter
D. higher than ；cannot enter
[单项选择]The oil discharge monitoring system in the oil tanker vessels is used for detecting the amount of oil discharged overboard to ensure that it does not exceed（）
A. 15 liters nautical mile
B. 30 liters nautical mile
C. 60 liters nautical mile
D. 100 liters nautical mile
[单项选择]In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A. a service tank
B. a collecting tank
C. a sump
D. a settling tank
[单项选择]In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A. a service tank
B. a settling tank
C. an expansion tank
D. a double bottom tank
[单项选择]The transmission system transmitting power from the engine to the propeller is composed of shafts, bearings, and（）
A. propeller
B. flying wheel
C. main engine
D. crankshaft
[单项选择]If oil density were greater than water’s, the oil separator （）.
A. did work
B. would work well
C. didnt work
D. wouldnt work
[单项选择]In a typical fuel system, the oil is stored in （） in the double bottom.
A. setting tanks
B. service tanks
C. tanks
D. drain tanks
[单项选择]In engines with system, the lubricating oil can be added to the engine through the filling hole in the crankcase cover, by using a hand oil can, or through the separator pipe（）
A. lubricating oil
B. dry sump
C. circulated tank
D. wet sump
[单项选择]The key feature of the Sulzer RT-flex system is that it gives complete freedom in the and operation of fuel injection and exhaust valve actuation（）
A. metering
B. control
C. using
D. timing
[单项选择]The ash content of a fuel oil is significant to the operating engineer because it （）
A. is an indication of the amount of noncombustible material present in the oil
B. indicates the quantity of energy released by burning a unit amount of the fuel
C. is useful for determining proper atomization temperatures
D. reflects the overall thermal efficiency of the fuel oil service system
[单项选择]Clean oil is achieved in a clarifier bowl where the impurities and water collect at the bowl （）.
A. bottom
B. top
C. center
D. periphery
[单项选择]Oil will lubricate these parts （） effectively than water.
A. much
B. more
C. most
D. less
[单项选择]The complete details of a crude oil washing system aboard your vessel，including the operating sequences and procedures，design characteristics，a description of the system，and required personnel will be found in the（）.
A. Oil Transfer Procedures Manual
B. Crude Oil Washing Operations and Equipment Manual
C. Code of Federal Regulations
D. Crude Oil Washing addendum to the Certificate of Inspection
[单项选择]When adding oil to a refrigeration system, precautions must be taken to ensure that （）.
A. the compressor suction pressure is not too high
B. all air is purged from the pump and charging fittings
C. the high pressure cutout switch is held open to prevent accidental starting
D. the condenser is completely shutdown first
[单项选择]The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
A. flex joint
B. slip joint
C. heave joint
D. riser joint
[单项选择]The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.
A. fuel treatment
B. fuel combustion
C. fuel injection
D. fuel separating
[单项选择]Dirt in the fuel oil system of a diesel engine can cause （）.
A. clogged filters
B. poor combustion
C. overloading of the diesel
D. shock of fuel lines
[单项选择]Lube oil in the fresh water cooling system of a diesel engine may result from a （）
A. camshaft seizure
B. lube oil pump failure
C. lube oil cooler failure
D. lube oil pump overflow
[单项选择]Dirt in a fuel oil system of a diesel engine can cause （）
A. damage to strainers
B. over-speeding of the engine
C. excessive cooling of the engine
D. injector damage
