更多"However, since methanol-fueled vehi"的相关试题:
[单项选择]Since the engine doesn’t work well, you’d better （） as soon as possible.
A. reduce its speed
B. find out its trouble
C. eliminate its trouble
D. all the above
[单项选择]When accepting vehicles for shipment，the Master should ensure that（）.
A. all decks intended for the stowage of vehicles are，in so far as is practicable，free from oil and grease
B. the ship has on board an adequate supply of cargo securing gear，which is maintained in sound working condition
C. vehicles are in apparent good order and condition suitable for sea transport，particularly with regards to securing
D. All of the above
[单项选择]Vehicles（）only the simplest of the engine improvements that methanol makes feasible would still contribute to an immediate lessening of urban air pollution.
A. corporate
B. cooperating
C. operating
D. incorporating
[单项选择]The number of such vehicles（）steadily increasing.
A. have been
B. had been
C. having been
D. has been
[单项选择]Since independence the Irish Republic has adhered to（）.
A. a policy of protectionism
B. a policy of containment
C. a policy of military alliance
D. a policy of neutrality and nonalignment
[单项选择]These are the principles, however formulated, for which all good men and women throughout the world,（）of race or creed, education, social position, or occupation, are standing.
A. respective
B. irrespective
C. respect
D. respectable
[单项选择]However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warning are（）.
A. selective and can be suppressed by ships
B. mandatory and can not be suppressed by ships in the affected area
C. not very important so that ships don‟t require them
D. received by all ships wherever they are
[单项选择]However, where immediate action is necessary to ensure safety of the ship, its machinery and crew, it must be taken by the engineer in chargeWhat dose “it” mean in the sentence above?（）
A. safety
B. the ship, its machinery and crew
C. immediate action
D. the engineer in charge
[单项选择]The bilge system has been performing well; however, the aft starboard engine room bilgewell suddenly fails to be pumped outWhich of the following should be done first to determine the cause?（）
A. Open the bilge pump for inspection
B. Remove each of the manifold valves
C. Remove only the manifold valve to the affected bilge-well
D. Attempt to pump out another bilge well to determine if the entire system is affected
[单项选择]Spontaneous combustion could occur in（）
A. paint thinner in an open can
B. fuel accumulation in the bilge
C. oily rags in an unvented compartment
D. gasoline stored in steel drums
[单项选择]A substantial increase in crankcase pressure could be an indication of （）
A. excessive lube oil pressure
B. the proper seating of new rings
C. a worn cylinder liner
D. a malfunctioning cylinder relief valve
[单项选择]Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?（）
A. Leaking seal ring
B. Insufficient heat transfer from the exhaust valves
C. Block cooling water passages to the head
D. Excessive scavenging air provided to the engine
[单项选择]What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）
A. The type of anchor and mooring line being used
B. The type of bottom in which the ship is anchored
C. A significant difference between air and water temperature
D. The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead
[单项选择]Since the burning or combustion takes place within the engine itself, the engine is known as （）.
A. a fire -tube boiler
B. an internal combustion engine
C. an external combustion engine
D. an internal combustion generator
[单项选择]CDE is working. However, the customized PATH environment has not been implemented. Which of the following procedures should be performed to activate he implementation?（）
A. Update the .kshrc file
B. Edit $HOME/.dtprofile, and uncomment the DTSOURCEPROFILE=true
C. Copy /etc/.profile $HOME/.dtprofile and edit the file as needed
D. Double click on the System Administration icon and select CDE profile
[单项选择]Semisubmersibles A and B are identical. However，A is more tender than B. This means that A relative to B has a（）.
A. lower KG
B. smaller GM
C. smaller roll angle
D. larger GZ
[单项选择]Centrifugal pumps, however, can be designed with a number of impellers （） to attain a large amount of liquid.
A. in series
B. in parallel
C. assembled
D. together
