互換性與技術(shù)測(cè)量2021學(xué)習(xí)通課后章節(jié)答案期末考試題庫2023年

互換性與技術(shù)測(cè)量2021學(xué)習(xí)通課后章節(jié)答案期末考試題庫2023年Inatransitionfit,whatistherelationshipofshaftdiameterdandholediameterD?.譯:過渡配合中的軸徑d與孔徑D的關(guān)系是怎樣的?

參考答案:

unknown(不一定)

Whenamicrometeristobestored,thespacebetweenitsanvilsshouldbe(

).譯:千分尺存放時(shí),兩測(cè)砧間距應(yīng)該怎樣?

參考答案:

separatedwithgap(留有間隔)

Inaninterferencefit,whatistherelationshipofshaftdiameterdandholediameterD?.譯:過盈配合中的軸徑d與孔徑D的關(guān)系是怎樣的?

參考答案:

d>D

The

drawing

requires

the

accuracy

of

angle

α

between

(

)

.譯:該圖約束哪兩個(gè)要素的夾角α?

參考答案:

the

inclined

surface

to

the

axis

of

Φd

shaft(斜面與Φd的軸線)

Arandomlychosencomponentassemblesproperlyandsatisfiesfunctionalitywithoutadditionalfitting.Whatabilitydoesithave?譯:隨機(jī)選取的零件無需額外加工便能順利裝配且滿足功能要求,則該零件具有(

)

參考答案:

interchangeability

Thesmallerstandarddeviationmeansthebetter(

)?譯:標(biāo)準(zhǔn)差越小表明下面哪項(xiàng)水平越高?

參考答案:

precision

Tossingacoinfor100times,theheadlikelyoccurs50times.Itobeysthelawof(

).譯：一枚硬幣拋100次，正面出現(xiàn)大約50次。這個(gè)現(xiàn)象反映了什么規(guī)律？

參考答案:

Normaldistribution（正態(tài)分布）

Whatinstrumentshouldbeusedtozeroanindicatingmicrometerthatranges25-50mm?譯:對(duì)量程25-50mm的杠桿千分尺調(diào)零要用到什么器具?

參考答案:

Gaugeblocks(量塊)

The

drawing

requires

concentricity

of

(

).

譯：該圖約束哪兩個(gè)要素的同軸度？

參考答案:

Axis

of

Φd

shaft

and

ΦD

shaft（Φd與

ΦD的軸線）

Gaussiandistributionisknownas(

).譯:高斯分布又稱作什么?

參考答案:

normaldistribution(正態(tài)分布)

Metrologyisappliedin(

).譯:技術(shù)測(cè)量有哪些應(yīng)用?

參考答案:

alloftheabove(全部選項(xiàng)均正確)

WhichstatementisFALSEaboutfitΦ20H7/f6?譯:關(guān)于配合尺寸Φ20H7/f6,以下哪項(xiàng)說法是錯(cuò)誤的?

參考答案:

Theholeandtheshafthavethesametolerancegrade(孔與軸的tolerance等級(jí)相同)

What

is

the

lower

deviation

of

the

dimension?

譯:圖示軸的尺寸下偏差是多少?

參考答案:

-0.041

What'sthemeaningof“metrology”?

參考答案:

scienceofmeasurement

Whichwordistodescribehowclosethemeasuredvaluesaretoeachother?譯:哪個(gè)單詞用來表述測(cè)量值一致性的程度?

參考答案:

precision

WhichstatementisTRUEaboutfitΦ20H7/f6?譯:關(guān)于配合尺寸Φ20H7/f6,以下哪項(xiàng)說法是正確的?

參考答案:

Boththeholeandtheshafthaveabasicsizeof20(孔與軸的基本尺寸均為20)

What

feature

does

the

yellow

coloured

symbol

control?

譯:黃色背景的符號(hào)控制哪個(gè)要素?

參考答案:

The

slot

is

symmetric

about

the

axis(開槽部分關(guān)于軸線對(duì)稱)

AdimensionexpressedasΦ20H7isusuallyfor(

).譯:Φ20H7這樣的標(biāo)注通常用于什么場(chǎng)合?

參考答案:

Massmanufacturing(大批量生產(chǎn))

Whatisthepurposeofusingpreferablefits?.譯:為何要使用優(yōu)先配合?

參考答案:

alloftheoptions(全部選項(xiàng)均正確)

Whattypeoffitshouldbeconsideredasafirstchoicewhenwedesignanassembly?譯:設(shè)計(jì)一處裝配時(shí),首先考慮哪種配合?

參考答案:

Preferablefit(優(yōu)先配合)

What

is

the

maximum

allowable

straightness

error

of

the

hole?.

譯:該孔所允許的最大直線度誤差是多少?

參考答案:

0.06

Ifyoutossacoinfor100times,howmanytimesdoesheadlikelytooccur?.譯:一枚硬幣拋100次,正面出現(xiàn)幾次的可能性最大?

參考答案:

50times

(

)mustbeconsideredwhendesignaproductoraprocess.譯:設(shè)計(jì)和制造產(chǎn)品必須考慮的因素是什么?

參考答案:

Bothfunctionalityandeconomics

Whatisthedeviationlettersymboloftheshaftisinahole-basissystem?譯:基孔制配合中,軸的偏差代號(hào)是什么?

參考答案:

Dependsonrequirement(視需要而定)

Whatisthedeviationlettersymboloftheholeisinashaft-basissystem?譯:基軸制配合中,孔的偏差代號(hào)是什么?

參考答案:

Dependsonrequirement(視需要而定)

GD&Tisusedtocontrol(

)ofanobject.譯:GD&T控制工件的什么參數(shù)?

參考答案:

contour(輪廓)

Componentsshouldbe(

)forselectiveassembly.譯:有限互換要求下,零件裝配前需要經(jīng)過什么流程?

參考答案:

grouped

Which

is

NOT

a

SI

basic

units?

譯:以下哪個(gè)不是國際單位制的基本單位?

參考答案:

kW

What

does

letter

“A”

mean?

參考答案:

Datum(基準(zhǔn))

Whichoneisaformtolerance?譯:哪一項(xiàng)是形狀公差?

參考答案:

Circularity(圓度)

Samplingplanisusuallydesigned(

).譯:產(chǎn)品抽檢方案通常是怎樣制定的?

參考答案:

bycharts(查表)

Whichoneisalocationtolerance?譯:哪一項(xiàng)是定位公差?

參考答案:

Symmetry(對(duì)稱度)

Comparetofullinspection,whatisthedisadvantageofsampling?譯:與全檢相比,產(chǎn)品抽檢有什么缺點(diǎn)?

參考答案:

Rejectinggoodproducts(拒收合格產(chǎn)品)

Whichoneisanorientationtolerance?譯:哪一項(xiàng)是定向公差?

參考答案:

Perpendicularity(垂直度)

What'stheusageoftoleranceindicatorsonanindicatingmicrometer?譯:杠桿千分尺表盤上的公差指示器有什么作用?

參考答案:

Fastcomparativemeasurement(快速相對(duì)測(cè)量)

HowmanyitemsdoesGD&Tconsistof?譯:GD&T共有幾個(gè)項(xiàng)目?

參考答案:

14

Whatistheadvantageofselectiveassembly？譯：有限互換有何優(yōu)點(diǎn)?

參考答案:

Bettereconomics(經(jīng)濟(jì)性更好)

Measuringerrorisdefinedas(

).譯:如何定義測(cè)量誤差?

參考答案:

Measuredvalue–Truevalue

What

is

the

dimension

at

LMC?

譯:圖示軸在LMC狀態(tài)下的尺寸是多少?

參考答案:

19.959

Theactivityofevaluatingproductqualityisknownas(

).譯:評(píng)估產(chǎn)品質(zhì)量的活動(dòng)稱作什么?

參考答案:

sampling

Whatcausesgrosserror?(

).譯:產(chǎn)生粗大誤差的原因是什么?

參考答案:

Humanmistakes

Whatdoes“ES”meanintermsofdimensionaldeviation?譯:在表示尺寸偏差的符號(hào)中,“ES”的含義是什么?

參考答案:

upperdeviationofhole(孔的上偏差)

Whatcanbedonetoavoidgrosserror?(

).譯:怎樣才能避免粗大誤差?

參考答案:

Takingcare

Which

statement

is

FALSE

about

this

drawing?

譯:關(guān)于該圖,哪個(gè)說法是錯(cuò)誤的?

參考答案:

Surface

A

is

more

important

than

surface

B(A面比B面更重要)

Whatdoes“ei”meanintermsofdimensionaldeviation?譯:在表示尺寸偏差的符號(hào)中,“ei”的含義是什么?

參考答案:

lowerdeviationofshaft(軸的下偏差)

Whatmaycausesystematicerrorofmeasurement?(

).譯：測(cè)量時(shí)產(chǎn)生系統(tǒng)誤差的原因是什么？

參考答案:

alloftheoptions(全部選項(xiàng)均正確)

GaugeblocksCANNOTbeusedfor(

)譯:量塊不能用來做什么?

參考答案:

holediametermeasurement(測(cè)孔徑)

Which

statement

is

TRUE

about

this

drawing?

譯:關(guān)于該圖,哪個(gè)說法是正確的?

參考答案:

Both

surface

A

and

B

are

datums(A、B面都是基準(zhǔn))

Whatdoes“es”meanintermsofdimensionaldeviation?譯:在表示尺寸偏差的符號(hào)中,“es”的含義是什么?

參考答案:

upperdeviationofshaft(軸的上偏差)

Whattypeofmicrometerscanbeusedtomeasureholediameters?譯:哪種千分尺用來測(cè)量孔徑?

參考答案:

Internalmicrometers(內(nèi)徑千分尺)

The

drawing

requires

the

parallelism

of

(

)

is

0.05mm.譯:該圖約束的平行關(guān)系是什么?

參考答案:

the

axis

of

ΦD

hole

to

the

bottom(ΦD孔軸線對(duì)底面)

What

type

of

GD&T

does

the

symbol

depict?

譯:圖示形位公差的名稱是什么?

參考答案:

Total

runout

What’s

the

reading

of

this

vernier

caliper?

譯:該游標(biāo)卡尺的讀數(shù)是多少?

參考答案:

168.4

What’sthepurposeofmetrology?.譯：技術(shù)測(cè)量的目的是什么？

參考答案:

alloftheoptions(全部選項(xiàng)均正確)

What

is

the

dimension

at

MMC?

譯:圖示軸在MMC狀態(tài)下的尺寸是多少?

參考答案:

19.98

WhichisNOTtheobjectivesofmetrology?譯:下列哪項(xiàng)不是技術(shù)測(cè)量的對(duì)象?

參考答案:

art

What

is

the

basic

size

of

the

shaft?

譯:圖示軸的基本尺寸是多少?

參考答案:

20

Measurementisthecomparisonoftheunknownquantitywith(

).譯:測(cè)量是將未知量與什么進(jìn)行比較的過程?

參考答案:

knownquantity

The

numbers

in

each

option

are

actual

hole

diameter

and

straightness.

Find

out

the

unqualified

one.

譯:每個(gè)選項(xiàng)中的數(shù)值為軸的實(shí)際直徑和直線度誤差,找出其中不合格的一件。

參考答案:

24.01,

0.02

In

runout

inspection,

the

workpiece

should

(

).譯:進(jìn)行圓跳動(dòng)檢測(cè)時(shí),被測(cè)工件要如何運(yùn)動(dòng)?

參考答案:

rotate

WhichdimensionequalstoΦ50±0.031譯:哪項(xiàng)尺寸等于Φ50±0.031?

參考答案:

Φ50JS9

For

this

runout

inspection

device,

which

component

can

be

replaced

by

V-blocks?

譯:該圓跳動(dòng)檢測(cè)儀中幾號(hào)部件可以由V形塊代替?

參考答案:

②

Whatshouldbedonebeforeusinggaugeblocks?譯:使用量塊前需要做什么?

參考答案:

alloftheoptions(全部選項(xiàng)均正確)

What

feature

CAN

be

controlled

by

the

GD&T

symbol

in

this

drawing?

譯:圖示形位公差能控制哪項(xiàng)要素?

參考答案:

Concentricity

of

shaft

ΦD

to

shaft

Φd2

What

is

the

dimension

at

MMC?

譯:圖示孔在MMC狀態(tài)下的尺寸是多少?

參考答案:

20

What

is

the

upper

deviation

of

the

dimension?

譯:圖示孔的尺寸上偏差是多少?

參考答案:

0.033

What

does

the

circled

“E”

depict?

譯:帶圓圈的E是什么意思?

參考答案:

Envelop

Whatshouldbeusedtowipegaugeblocks?譯:量塊要用什么擦拭?

參考答案:

Softcloth

Whichwordistodescribehowclosethemeasuredvaluesaretothetruevalue?譯:哪個(gè)單詞用來表述測(cè)量值接近真實(shí)值的程度?

參考答案:

accuracy

What

is

the

lower

deviation

of

the

dimension?

譯:圖示孔的尺寸下偏差是多少?

參考答案:

0

Peopleuse(

)forroughnessvalues(e.g.0.8,1.6,3.2,6.3,..)?譯:用于粗糙度數(shù)值的一組數(shù)字稱為什么?

參考答案:

preferrednumbers(優(yōu)先數(shù)組)

A

runout

inspection

device

consists

of

four

components.

Which

is

the

“datum”?

譯:圓跳動(dòng)檢測(cè)儀由四個(gè)部件組成,哪一個(gè)叫“datum”?

參考答案:

①

What

feature

CANNOT

be

controlled

by

the

GD&T

symbol

in

this

drawing?

譯:圖示形位公差不能控制哪項(xiàng)要素?

參考答案:

Total

runout

of

shaft

Φd

Comparetoageneralmicrometer,anindicatingmicrometerhasa(

).譯:杠桿千分尺比普通千分尺多了什么?

參考答案:

flexibleanvil(活動(dòng)測(cè)砧)

What

is

the

dimension

at

LMC?

譯:圖示孔在LMC狀態(tài)下的尺寸是多少?

參考答案:

20.033

Whichproductbelowmayrequirerunoutinspection?譯:以下哪項(xiàng)產(chǎn)品需要進(jìn)行圓跳動(dòng)檢測(cè)?

參考答案:

gear

Whatistoleranceintermsofmanufacturing?譯:在制造業(yè),tolerance一詞的含義是什么?

參考答案:

Allowance

Howdowespecifyatoleranceforaproduct?譯:如何制定產(chǎn)品的tolerance?

參考答案:

Bigbutsatisfiesfunctionality(滿足功能的前提下大些)

Whatdoestolerancecontrol?譯:tolerance用來控制什么?

參考答案:

alloftheoptions(全部選項(xiàng)均正確)

What

is

the

upper

deviation

of

the

dimension?

譯:圖示軸的尺寸上偏差是多少?

參考答案:

-0.02

Forthosedimensionswithoutspecifiedtolerance,theallowableerroris(

).譯:圖紙上未注公差的尺寸允許有多大誤差?

參考答案:

IT8~IT9

Whatdoestheterm“bore”mean?譯:術(shù)語“bore”的意思是什么?

參考答案:

Hole

Whatdoes“EI”meanintermsofdimensionaldeviation?譯:在表示尺寸偏差的符號(hào)中,“EI”的含義是什么?

參考答案:

lowerdeviationofhole(孔的下偏差)

The

numbers

in

each

option

are

actual

hole

diameter

and

straightness.

Find

out

the

unqualified

one.

譯:每個(gè)選項(xiàng)中的數(shù)值為孔的實(shí)際直徑和直線度誤差,找出其中不合格的一件。

參考答案:

24.00,

0.03

Whichtermisusedtodescribetheoperationofjoiningflatfacesofgaugeblocksbysliding?譯:以下哪個(gè)術(shù)語表示“通過滑動(dòng)使兩個(gè)量塊的工作面貼合的操作”?

參考答案:

Wring

How

many

pieces

of

gauge

blocks

are

usually

used

to

form

a

specific

dimension?譯:要組成某個(gè)尺寸,一般宜用幾塊量塊?

參考答案:

Nomorethan5

The

numbers

in

each

option

are

actual

shaft

diameter

and

straightness.

Find

out

the

unqualified

one.

譯:每個(gè)選項(xiàng)中的數(shù)值為軸的實(shí)際直徑和直線度誤差,找出其中不合格的一件。

參考答案:

23.96,

0.03

What

is

the

basic

size

of

the

shaft?

譯:圖示孔的基本尺寸是多少?

參考答案:

20

WhichdimensionequalstoΦ40±0.008譯:哪項(xiàng)尺寸等于Φ40±0.008?

參考答案:

Φ40js6

What

does

the

circled

“M”

depict?

譯:帶圓圈的M是什么意思?

參考答案:

Maximum

material

condition

What

is

the

maximum

allowable

straightness

error

of

the

shaft?.

譯:該軸所允許的最大直線度誤差是多少?

參考答案:

0.04

Preferrednumbersareaseriesnumberswith(

).譯:優(yōu)先數(shù)系是一組怎樣的數(shù)字？

參考答案:

constantstepratio(等比數(shù)列)

WhichstatementisFALSEaboutdimensionΦ40f6?.譯:關(guān)于尺寸Φ40f6,以下哪項(xiàng)說法是錯(cuò)誤的?

參考答案:

ThesizeatMMCis40(MMC時(shí)的尺寸為40)

Thenumbers

in

each

option

are

actual

shaft

diameter

and

straightness.

Find

out

the

unqualified

one.

譯:每個(gè)選項(xiàng)中的數(shù)值為孔的實(shí)際直徑和直線度誤差,找出其中不合格的一件。

參考答案:

23.99,

0.01

WhichstatementisTRUEaboutdimensionΦ40f6?.譯:關(guān)于尺寸Φ40f6,以下哪項(xiàng)說法是正確的?

參考答案:

Itisashaftdimension(這是軸的尺寸)

WhichstatementisFALSEaboutdimensionΦ40H7?.譯:關(guān)于尺寸Φ40H7,以下哪項(xiàng)說法是錯(cuò)誤的?

參考答案:

Itisashaftdimension(這是軸的尺寸)