更多"The cleaned heated oil, after passi"的相关试题:
[单项选择]The rate of expansion of heated fuel oil varies with the （）.
A. conductivity
B. viscosity
C. volume
D. specific gravity
[单项选择]The vapors given off by heated fuel oil are heavier than air and are（）.
A. odorless
B. explosive
C. nontoxic
D. visible
[单项选择]The vapors given off by heated fuel oil are flammable, explosive, and （）
A. lighter than air
B. heavier than air
C. odorless
D. nontoxic
[单项选择]After oil pollution occurs in Chinese ports，what action shall be first taken by ship’s Captain and Chief Engineer?（）
A. to use the oil dispersant
B. to organize the persons to collect the oil
C. to report the matter to MSA and ask for instructions
D. to put forward an accident report within 24 hours
[单项选择]If cooling water flow through the after-cooler is interrupted,the power output of a turbocharged diesel engine will drop because the （）
A. turbocharger will stall
B. density of the air charge will decrease
C. scavenge effect will increase
D. exhaust pressure will increase
[单项选择]The lube oil cooler is located after the lube oil filter in order for （）
A. the filter to operate more efficiently
B. the lube oil cooler to be bypassed
C. positive lube oil pump suction to be assured
D. galvanic action in the cooler to be minimized
[单项选择]When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions（）
A. boiling and cavitations; low temperature
B. boiling and cavitations; pressurized
C. leaking and boiling; low temperature
D. leaking and boiling; pressurized
[单项选择]After three hours of heated debate, the（）bill was passed by a narrow majority .
A. virtual
B. universal
C. controversial
D. substantial
[单项选择]After an occurrence of oil pollution，what shall be done first by a vessel in Chinese port? （）.
A. use oil dispersion agent and wait for investigation
B. try to collect the oil on deck or in water
C. report to Harbor Master
D. B and C
[单项选择]After taking on fuel oil, the hoses should be disconnected and （）.
A. draped over the fantail to dry out
B. drained over the side and washed out
C. drained into the bilges and washed out
D. drained into buckets or fuel tanks
[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]A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?（）.
A. Down by the bow
B. Down by the stern
C. Down by either the bow or stern
D. In level trim
[单项选择]After passing through the expansion valve the refrigerant should be in the state of （）.
A. vapor
B. liquid
C. solid
D. None of the above is tree
[单项选择]After passing through the turbine the exhaust gas is conducted out into the（）.
A. intercooler
B. compressor
C. cylinder
D. open air
[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]The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.
A. a strain tank
B. a head tank
C. a service tank
D. a strainer
[单项选择]In motor-ships, （）, after passing through main and motion bearings and oil cooled pistons, etcis either retained in the bedplate.
A. the fuel oil
B. the lubricating oil
C. the refrigerating oil
D. the hydraulic oil
