Whatsapp Image 2019-02-18 At 6.03.44 Pm.docx
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View Whatsapp Image 2019-02-18 At 6.03.44 Pm.docx as PDF for free.
More details
- Words: 256
- Pages: 1
(J) form prea110a
,, surface rouahncu (5) kinemal 1c pred11011 (6) surface layer al1cra11oru
Nole dw some 11an,, 1uch as -.an !IOI be disc:uued in Ihas book.
1 'ate not •ndudcd m 1h11 1111 and will
U The four prlncfpl11of meeau,...,ent ,_ n
Althou g h OUISlde
.be:
FIRST PRINCIPLE OF MEASUREMENT
When measuring 1he dimensions of an object, one mus1 know iu temperature. Temperature affects the length of aU objects and malerials. The codftdmt of lina; expansion, which indica1es lhe CXlenl of Ibis c:han,e, iiaivcn in Table 2.1 for a few materials.As Ibis 1able shows, we have yet 10 develop a mMcrial whose lmgth is unaf fected by lernperature fluctuatiom. (This Is #sn1P"d in some detail in Chapter 9.) We must further keep in mind tbal •c:oefflcient of linear expansion iudf varies wilh temperature.It Is tb111 lmponam to teep the object being measured at a c:onstaDt tcmpera&ure O,e. die reference temperature). Althouah measuring imtrumeata ase _.. iD ClCM"•nt-lelllperature rooau around 20 •c, the me•ind 1111 a clffamt ICllllpcnlllre. ffenc!tina will allo C:WI
Dlil.il.. .........bJ
toadl"•-object ri•ill
Mill1'1111 for
'*""'*
lllllhlNll
,, surface rouahncu (5) kinemal 1c pred11011 (6) surface layer al1cra11oru
Nole dw some 11an,, 1uch as -.an !IOI be disc:uued in Ihas book.
1 'ate not •ndudcd m 1h11 1111 and will
U The four prlncfpl11of meeau,...,ent ,_ n
Althou g h OUISlde
.be:
FIRST PRINCIPLE OF MEASUREMENT
When measuring 1he dimensions of an object, one mus1 know iu temperature. Temperature affects the length of aU objects and malerials. The codftdmt of lina; expansion, which indica1es lhe CXlenl of Ibis c:han,e, iiaivcn in Table 2.1 for a few materials.As Ibis 1able shows, we have yet 10 develop a mMcrial whose lmgth is unaf fected by lernperature fluctuatiom. (This Is #sn1P"d in some detail in Chapter 9.) We must further keep in mind tbal •c:oefflcient of linear expansion iudf varies wilh temperature.It Is tb111 lmponam to teep the object being measured at a c:onstaDt tcmpera&ure O,e. die reference temperature). Althouah measuring imtrumeata ase _.. iD ClCM"•nt-lelllperature rooau around 20 •c, the me•ind 1111 a clffamt ICllllpcnlllre. ffenc!tina will allo C:WI
Dlil.il.. .........bJ
toadl"•-object ri•ill
Mill1'1111 for
'*""'*
lllllhlNll
Related Documents
Whatsapp Image 2019-03-29 At 11
April 2020 11
Whatsapp Image 2019-03-29 At 11
April 2020 4
Whatsapp-image-2019-03-28-at-7.52.08-pm.ocr.xlsx
April 2020 4
Whatsapp Image 2019-02-18 At 6.03.44 Pm.docx
April 2020 3
Whatsapp Image 2019-03-11 At 12.07.06 Pm (1).docx
December 2019 8