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pure sensory stroke
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考题
Pure Risk differs from Business Risks because Pure Risk's _____ .A include chances of both profit or loss associated with the business.B include chances of loss and no chances for profit associated with the business.C must incur personal loss with business liability.D must incur business liability associated with loss of pure profit.E B and C
考题
100 Pure Risk differs from Business Risks because Pure Risk's _____ .A. include chances of both profit or loss associated with the business.B. include chances of loss and no chances for profit associated with the business.C. must incur personal loss with business liability.D. must incur business liability associated with loss of pure profit.E. B and C
考题
Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because________.A.The direction of pressure on the journal in four-stroke engine is continuouslyB.positive feed lubricators are installed on all bearings of four-stroke engine, whereas as a splash feed system is used on tow-stroke engineC.four-stroke engines usually utilize a heavier grade of oil than tow-stroke enginesD.Low-stroke engines usually consume less lube oil than four-stroke engines
考题
From this selection we may conclude that the king's crown______.A. moved less water than pure gold of the same sizeB. moved more water than pure gold of the same weightC. moved more water than pure gold of the same sizeD. moved less water than pure gold of the same weight
考题
Marriage in the USA is considered ().
A.rather burdensomeB.a pure individual matterC.a pure religious affairD.more important to the parents
考题
If all other conditions such as bore, stroke, speed, and mean effective pressures are equal, a two stroke/cycle diesel engine will develop approximatelyA.the same indicated horsepower as a four-stroke/cycle engineB.twice the indicated horsepower as a four-stroke/cycle engineC.one half the indicated horsepower as a four-stroke/cycle engineD.one power stroke for every two crankshaft revolutions
考题
专门用于测试前庭功能是（）A、Peabody动作发育评估（Peabody developmental motor scale-Ⅱ， PDMS-2）B、感觉加工评估量表（Evaluation of Sensory Processing， ESP，Parham， 1997）C、感觉统合及运用测验（Sensory Integration and Praxis tests ，SIPT）D、感觉加工测试量表（Sensory Processing Measure，SPM）E、旋转后眼震试验（post-rotatory nystagnus test）
考题
在感觉统合障碍的评估中，以下哪一个是由理论直接产生的评估量表：（）A、感觉统合及运用测验 （Sensory Integration and Praxis Tests ，SIPT）B、感觉问卷（Sensory Profile，SP）C、感觉加工测试量表 （Evaluation of Sensory Processing ，ESP）D、小学生触觉功能检核表（Touch Inventory for Elementary School-Aged Children，TIE）
考题
单选题If all other conditions such as bore, stroke, speed, and mean effective pressures are equal, a two-stroke/cycle diesel engine will develop approximately（）A
the same indicated horsepower as a four-stroke/cycle engineB
twice the indicated horsepower as a four-stroke/cycle engineC
one half indicated horsepower as a four-stroke/cycle engineD
one power stroke for every two crankshaft revolutions
考题
单选题During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?（）A
Intake strokeB
Compression strokeC
Exhaust strokeD
Pumping stroke
考题
单选题（） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.A
The medium speed 4-stroke trunk piston engineB
The low speed 2-stroke crosshead engineC
The medium speed 2-stroke crosshead engineD
The low speed 4-stroke trunk piston engine
考题
单选题A refrigerant with oil in solution has a （）.A
higher boiling temperature for a given pressure than does a pure refrigerantB
lower boiling temperature for a given pressure than does a pure refrigerantC
boiling pressure equal to that of a pure refrigerant at a given pressureD
boiling point will not be affected by entrained oil
考题
单选题The size of the exhaust valve opening is （）A
most critical in a four-stroke cycle diesel engineB
most critical in a two-stroke/cycle diesel engineC
most critical in a four-stroke/cycle diesel engine if it is turbochargedD
of equal importance in a two-stroke/cycle diesel engine as in a four-stroke/cycle diesel engine
考题
单选题Scavenging in a four-stroke/cycle diesel engine occurs during the （）.A
last part of the exhaust stroke, and the first part of the intake strokeB
last part of the intake stroke onlyC
early part of the injection stroke onlyD
early part of the power stroke
考题
单选题Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?（）A
In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greaterB
Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the portsC
No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engineD
The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine
考题
单选题Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because（）.A
The direction of pressure on the journal in four-stroke engine is continuouslyB
positive feed lubricators are installed on all bearings of four-stroke engine, whereas as a splash feed system is used on tow-stroke engineC
four-stroke engines usually utilize a heavier grade of oil than tow-stroke enginesD
Low-stroke engines usually consume less lube oil than four-stroke engines
考题
单选题One of the differences between a two-stroke engine and a four-stroke engine is,（）A
a two-stroke engine works without exhaust operationB
a two-stroke engine works without compression strokeC
a two-stroke engine works without expansion strokeD
a two-stroke engine works without suction operation
考题
单选题Typical marine propulsion plants include（） directly coupled to the vessel’s single large-diameter, fixed-pitch propeller.A
a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engineB
a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engineC
two medium-speed, turbocharged, four-stroke diesel enginesD
a variable-speed AC generator
考题
单选题In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.A
two crankshaft revolutions in a two-stroke/cycle engineB
two power strokes in a two-stroke/cycle engineC
one power stroke in a two-stroke/cycle engineD
two piston strokes in a two-stroke/cycle engine
考题
名词解释题pure sensory stroke
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