-
STCW78/95 Convention describes that () are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room.
A . available minimum requirements
B . available maximum requirements
C . mandatory minimum requirements
D . mandatory maximum requirement
-
Directional intake ports in diesel engines are used to ().
A . reduce air charge turbulence
B . induce air swirl
C . deflect hot combustion gas away from the valves
D . oppose the effects of piston induced squish
-
In a two-stroke engine, there are always a series of openings known as (), and in some circumstances, there are also openings known as (), in the part of the cylinder liner.
A . scavenging air ports;exhaust ports
B . inlet ports;scavenging air ports
C . scavenging air ports;inlet ports
D . exhaust ports;inlet port
-
The hardware and software configurations for vPC+ are similar to that of traditional vPC. What are the differences in the configuration of vPC+? ()
A . FabricPath switch ID must be configured under the vPC domain.
B . Virtual switch ID of vPC+ must be configured under FabricPath domain.
C . On Cisco Nexus 7000 Series Switch, F1 interfaces must be used as the vPC+ peer links.
D . The vPC+ peer link must be configured as a Cisco FabricPath core port (switchport mode fabricpath).
E . FabricPath subswitch ID must be configured under the vPC domain.
-
Small crack in the crankshaft bearing surface of a diesel engine are an indication of()
A . corrosion fretting
B . insufficient lubrication
C . abnormal wear
D . fatigue failure
-
In the cylinder head of a two-stroke/cycle diesel engine, valves are used for()
A . air intake
B . a fuel outlet
C . cooling water inlets
D . exhausting combustion ga
-
() are commonly used in mechanical-hydraulic governor(调速器) to sense engine speeds.
A . Bulbs
B . Bulks
C . Flyweights
D . Flywheel
-
Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the ().
A、main bearings
B、connecting rod bearings
C、piston pin bushings
D、all of the above
-
The intake valves in a diesel engine are reseated by ().
A . cam followers
B . push rods
C . combustion gases
D . valve spring
-
If there are () in the repair work, please come to our duty engineer at once.
A . any problem
B . some problem
C . any problems
D . some problem
-
Cisco IOS XR Software Multicast Routing Implementation, which three features are supported in IPv6 onCisco CRS router?()
A . PIM-SSM
B . Aggregation multicast
C . PIM-Bidirectional
D . OOR handling
E . integrated multicast
F . Multicast NSF
-
Friction, engine wear and oil consumption in a diesel engine are directly related to the ().
A . acidity of the oil
B . pour point of the oil
C . flash point of the oil
D . viscosity of the oil
-
Gear-type flexible couplings are often used in diesel engine drive trains because they()
A . require no lubrication under normal operating conditions
B . compensate for gross misalignment in the drive train
C . are able to transmit high torque ,even where slight misalignment exists
D . will rapidly disconnect the engine from the line shaft
-
Cast iron pistons used in large propulsion diesel engines are constructed with ()
A . not taper what so ever
B . the skirt being tapered and smaller than the crown
C . the skirt being tapered and larger than the crown
D . the crown being tapered and smaller than the skirt
-
How are the pressure and temperature affected in a diesel engine cylinder during compression?()
A . Pressure and temperature decrease
B . Pressure and temperature increase
C . Pressure decreases and temperature increases
D . Pressure increases and temperature decrease
-
Connecting rods in a diesel engine are used to connect the ().
A . engine to the bed
B . rocker arm to the camshaft
C . crankshaft to the gear train
D . piston to the crankshaft
-
Exhaust valve openings in a diesel engine cylinder head are made as large as practical to ()
A . increase back pressure during the exhaust process
B . facilitate periodic replacement of the valves
C . reduce the pumping loss associated with scavenging
D . reduce tension on valve spring
-
What are the two kinds of software in a computer according to the video?
-
听力原文:M: Most foreign students here are graduated students in counting, dentistry, engineering and business administration.
W: Right. They tend to major in practical fields that will assure them of good jobs later.
What do foreign students consider important in choosing major?
A.How soon they will graduate.
B.How much their education costs.
C.What kind of job they can get later.
D.Which country they Will work in.
-
Software engineering umbrella activities are only applied during the initial phases of software development projects.()
是
否
-
In the context of object-oriented software engineering a component contains()
A.attribute and operations
B.instances of each class
C.roles for each actor(device or user)
D.set of collaborating classes
-
Software engineering economy is an effective part of software engineering,which ofthe following contents is the research content of software engineering economy( ).
①estimation of software development cost
③earn & cost analysis of software development
③adjustment of software development progress
A.①only B.②and③ C.①and② D.all
-
Software Engineering Economy is an effective part of software engineering, which of the following content is the research comtent of software engineering economy?
Ⅰ.Estimation of software development cost
Ⅱ.Earn & Cost analysis of software development
Ⅲ.Adjustment of software development progress
A.Ⅲ only
B.Ⅱ and Ⅲ
C.Ⅰ and Ⅱ
D.all
-
Which of these are the 5 generic software engineering framework activities?()
A.A.communication, planning, modeling, construction, deployment
B.B.communication, risk management, measurement, production, reviewing
C.C.analysis, designing, programming, debugging, maintenance
D.D.analysis, planning, designing, programming, testing