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单选题
The term （） refers to one complete sequence of operations required to produce power in an engine.
A
diesel engine
B
stroke
C
cycle
D
compression ratio
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The term dialect,as a technical term in linguistics,carries value judgement and not simply refers to a distinct form of language.
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考题
单选题The first term in a geometric sequence is 3 and the 4th term is 81. What is the 10th term of the sequence?A
177, 147B
59, 049C
19, 683D
6, 561E
2, 187
考题
单选题In describing engine operation, what does the term “cycle” mean?（）A
The sequence of events that produce a power pulseB
One rotation of the engine crankshaftC
One stroke of a pistonD
All of the above
考题
单选题Before starting an engine by air, the engine must（）A
be turned by a turning gear for at least one minuteB
be turned by a turning gear for at least two minutesC
be turned at least one complete turnD
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单选题In describing basic diesel engine operation，the term ‘event’ refers to （）A
the production of high pressure gasesB
the removal of expended combustion gasesC
the admission of air to the cylinderD
all of the above
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判断题The term dialect,as a technical term in linguistics,carries value judgement and not simply refers to a distinct form of language.A
对B
错
考题
单选题During one synodic rotation，a body makes one complete turn relative to the（）.A
EarthB
SunC
starsD
vernal equinox
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单选题The term BOLLARD PULL refers to a towing vessel’s（）.A
propulsion horsepower availableB
pulling ability at cruise powerC
towing winch capabilityD
pulling ability under static conditions
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单选题The term lee side refers to the（）.A
side of the vessel exposed to the windB
Side of the vessel sheltered from the windC
Port sideD
Starboard side
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单选题Which term refers to a transverse curvature of the deck（）.A
DeadriseB
CamberC
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Flare
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单选题The period of a lighted aid to navigation refers to the（）.A
date of construction or establishmentB
length of time between flashes of the lightC
time required for the longest flash of each cycleD
time required for the light to complete each cycle
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