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(Piston area)X(Piston stroke)K(numbers of the cylinders)=eng

题目
单选题
(Piston area)X(Piston stroke)K(numbers of the cylinders)=engine（）
A

brake horsepower

B

displacement

C

cylinder volume

D

cylinder clearance

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相似问题和答案

第1题：

单选题
In a single acting, four-stroke/cycle diesel engine, the power impulse in an individual cylinder occurs （）
A

once every crankshaft revolution

B

once every two crankshaft revolutions

C

once every piston stroke

D

twice every piston stroke


正确答案： D
解析： 暂无解析

第2题：

单选题
In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, （）
A

wide compression rings are used

B

oil rings are located above the piston

C

chromium plating is used on all piston rings

D

oil rings are located near the bottom of the piston skirt


正确答案： C
解析： 暂无解析

第3题：

(piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).

A.brake horsepower

B.displacement

C.cylinder volume

D.cylinder clearance


正确答案：B
解析：brake：制动;displacement：排量，位移;clearance：间隙
译文： 活塞面积×活塞冲程×气缸数=发动机排量

第4题：

单选题
Because the top of the connecting rod swings about the pin and changes direction each time the piston reaches mid-stroke, the relative speed between bearing and pin at mid-stroke is zero, （）to a maximum as the piston approaches top or bottom dead center and then （） back to zero again as the piston approaches mid-stroke and the connecting rod changes direction.
A

accelerates；decelerates

B

accelerates；accelerates

C

decelerates；decelerates

D

decelerates；accelerates


正确答案： B
解析： 暂无解析

第5题：

单选题
The two-stroke cycle begins with the piston coming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being （）.
A

shut

B

closing

C

opened

D

closed


正确答案： A
解析： 暂无解析

第6题：

单选题
Cross scavenging requires the fitting of （） to prevent air or exhaust gas escape when the piston is at the top of the stroke.
A

a exhaust valve

B

a piston skirt

C

a piston crown

D

an air suction valve


正确答案： C
解析： 暂无解析

第7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 engine

B

The low speed 2-stroke crosshead engine

C

The medium speed 2-stroke crosshead engine

D

The low speed 4-stroke trunk piston engine


正确答案： A
解析： 暂无解析

第8题：

Piston Stroke之中文名称为活塞行程.


正确答案:正确

第9题：

单选题
The two-stroke cycle begins with the piston coming up from the BDC, with the scavenging ports in the sides of the cylinders being （）.
A

open

B

uncover

C

covered

D

closed


正确答案： C
解析： 暂无解析

第10题：

单选题
During the suction stroke, the piston is moving （）.
A

inwards

B

outwards

C

downwards

D

upwards


正确答案： C
解析： 暂无解析

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